Alternators and generators

At Global Parts, we offer a wide selection of original used car parts, including alternators and generators for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our alternators and generators undergo quality control to ensure you receive a top-quality product.

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Audi Q7 4L Alternator Generator Engine 3.0 TDI Diesel 059903016P

Part no. 059903016P

Audi Q7 4L Alternator Generator Engine 3.0 TDI Diesel 059903016P

Product currently unavailable

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Renault Trafic II Opel Vivaro A 1.9 DCI Alternator Generator 8200086130

Part no. 8200086130-1

Renault Trafic II Opel Vivaro A 1.9 DCI Alternator Generator 8200086130

Product currently unavailable

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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402

Part no. A6401540402

Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402

Product currently unavailable

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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469

Part no. 7550469-2

BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469

Product currently unavailable

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BMW E60 E61 E63 E65 E83 Alternator Generator VALEO 170A 7797521

Part no. 7797521

BMW E60 E61 E63 E65 E83 Alternator Generator VALEO 170A 7797521

Product currently unavailable

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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC

Part no. 6C1T-10300-CC-1

Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC

Product currently unavailable

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Alternator Mercedes Sprinter W906 Diesel  OM646 Engine Alternator A6461540002

Part no. A6461540002-1

Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002

Product currently unavailable

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Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661

Part no. 7797661-1

Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661

Product currently unavailable

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BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608

Part no. 8578609-1

BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608

Product currently unavailable

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Land Rover Range Sport L320 Diesel Engine Alternator Generator AH22-10300-AB

Part no. AH2210300AB

Land Rover Range Sport L320 Diesel Engine Alternator Generator AH22-10300-AB

Product currently unavailable

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BMW 1 3 E81 E87 LCI E90 E91 N43 Alternator Generator 170A Petrol NAPA NAL1250

Part no. 7550468-1

BMW 1 3 E81 E87 LCI E90 E91 N43 Alternator Generator 170A Petrol NAPA NAL1250

Product currently unavailable

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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V Diesel Engine Unit 03G903016N

Part no. 03G903016N

Audi A6 C6 2.0 TDI Alternator Generator 180A 14V Diesel Engine Unit 03G903016N

Product currently unavailable

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MINI Cooper One R50 R52 Petrol W10 Alternator Generator 110A 7550997 7550319

Part no. 7550319-1

MINI Cooper One R50 R52 Petrol W10 Alternator Generator 110A 7550997 7550319

Product currently unavailable

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Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502

Part no. A6421540502

Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502

Product currently unavailable

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Audi A4 8K 2.0 TDI Diesel Engine Alternator Generator 04L903017E

Part no. 04L903017E

Audi A4 8K 2.0 TDI Diesel Engine Alternator Generator 04L903017E

Product currently unavailable

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Ford Focus Diesel Engine Alternator Generator Engine Unit 8V21-10300-AB

Part no. 8V21-10300-AB

Ford Focus Diesel Engine Alternator Generator Engine Unit 8V21-10300-AB

Product currently unavailable

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Alternator Audi A3 8P VW Passat B7 Engine Generator 1.4 TSI 03C903024F

Part no. 03C903024F

Alternator Audi A3 8P VW Passat B7 Engine Generator 1.4 TSI 03C903024F

Product currently unavailable

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Alternator Generator BMW F10 F30 N20 Diesel Electrical Unit Denso 210A 7605061

Part no. 7605061

Alternator Generator BMW F10 F30 N20 Diesel Electrical Unit Denso 210A 7605061

Product currently unavailable

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Mercedes W213 C238 Petrol Alternator Generator A0009060205

Part no. A0009060205

Mercedes W213 C238 Petrol Alternator Generator A0009060205

Product currently unavailable

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Seat Ibiza Skoda Fabia Volkswagen Polo Mk5 6R 1.2 Petrol Alternator 03D903025J

Part no. 03D903025J

Seat Ibiza Skoda Fabia Volkswagen Polo Mk5 6R 1.2 Petrol Alternator 03D903025J

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Audi A5 8T A4 B8 2.0 TFSI Engine Alternator Generator 06H903017T

Part no. 06H903017T-1

Audi A5 8T A4 B8 2.0 TFSI Engine Alternator Generator 06H903017T

Product currently unavailable

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Renault Trafic II 2.0 DCI Master III 2.3 DCI Alternator Plate Cover 231769503R

Part no. 231769503R

Renault Trafic II 2.0 DCI Master III 2.3 DCI Alternator Plate Cover 231769503R

Product currently unavailable

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BMW X1 F48 Mini F55 F56 B37 B47 Engine Alternator Generator Denso 150A 8627124

Part no. 8627124

BMW X1 F48 Mini F55 F56 B37 B47 Engine Alternator Generator Denso 150A 8627124

Product currently unavailable

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Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402

Part no. A0111548402

Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402

Product currently unavailable

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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 2.2 TDCi 6C1T-10300-BD

Part no. 6C1T-10300-BD

Ford Transit Mk7 Diesel Engine Alternator Generator Unit 2.2 TDCi 6C1T-10300-BD

Product currently unavailable

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BMW F07 F10 F11 N47N Diesel Alternator Generator Engine 220A Valeo 8507625

Part no. 8579420-1

BMW F07 F10 F11 N47N Diesel Alternator Generator Engine 220A Valeo 8507625

Product currently unavailable

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BMW i3s I01 LCI 94Ah High Voltage Inverter Electrical Machine 8488547

Part no. 8488547

BMW i3s I01 LCI 94Ah High Voltage Inverter Electrical Machine 8488547

Product currently unavailable

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Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R

Part no. A4159064900

Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R

Product currently unavailable

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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Part no. A0131541002-1

Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Product currently unavailable

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Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P

Part no. 06F903023P

Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P

Product currently unavailable

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Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F

Part no. 03L903023F

Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F

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Nissan Qashqai Renault Megane II Dacia Duster dCi Engine Alternator 820072829

Part no. 820072829

Nissan Qashqai Renault Megane II Dacia Duster dCi Engine Alternator 820072829

Product currently unavailable

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Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508

Part no. A0009064508

Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508

Product currently unavailable

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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC

Part no. 6C1T-10300-CC

Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC

Product currently unavailable

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Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Part no. A0131541002

Mercedes-Benz Vito Viano W639 Alternator Generator Diesel 200A A0131541002

Product currently unavailable

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Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522

Part no. A0009063522

Alternator Mercedes W212 Engine Generator 220A Valeo A0009063522

Product currently unavailable

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Ford Transit Heat Shield Insulation Alternator Engine Cover CC11-199049-AA

Part no. CC11-199049-AA

Ford Transit Heat Shield Insulation Alternator Engine Cover CC11-199049-AA

Product currently unavailable

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BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967

Part no. 7550967

BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967

Product currently unavailable

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BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814

Part no. 7646814

BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814

Product currently unavailable

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Audi A4 B7 A6 C6 Alternator Generator 1.9 TDI Diesel 06F903023HX

Part no. 06F903023H

Audi A4 B7 A6 C6 Alternator Generator 1.9 TDI Diesel 06F903023HX

Product currently unavailable

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Alternator Mini Cooper R55 R56 R57 R57 R58 Generator Petrol 7575650

Part no. 7575650-1

Alternator Mini Cooper R55 R56 R57 R57 R58 Generator Petrol 7575650

Product currently unavailable

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Audi RS3 8V 2.5 TFSI Alternator 14V 180A 07K903023J

Part no. 07K903023J

Audi RS3 8V 2.5 TFSI Alternator 14V 180A 07K903023J

Product currently unavailable

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Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343

Part no. 7823343

Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343

Product currently unavailable

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Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970

Part no. 7543083-3

Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970

Product currently unavailable

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Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A C543294A

Part no. 7540992-1

Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A C543294A

Product currently unavailable

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Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P

Part no. 059903015P

Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P

Product currently unavailable

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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980

Part no. 7789980

BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980

Product currently unavailable

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Audi A1 8X 1.2 TFSI CBZA Petrol Engine Alternator Generator 04C903023L

Part no. 04C903023L

Audi A1 8X 1.2 TFSI CBZA Petrol Engine Alternator Generator 04C903023L

Product currently unavailable

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Alternator Generator BMW E90 E91 E92 E93 LCI E84 F25 Diesel N47N 8507624

Part no. 8509023-1

Alternator Generator BMW E90 E91 E92 E93 LCI E84 F25 Diesel N47N 8507624

Product currently unavailable

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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Bosch 8571358

Part no. 8571358

Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Bosch 8571358

Product currently unavailable

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BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124

Part no. 8634124

BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124

Product currently unavailable

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BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432

Part no. 7808073

BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432

Product currently unavailable

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Jaguar XF250 3.0 306DT AJV6D Engine Alternator Generator 8X2310300CB

Part no. 8X2310300CB

Jaguar XF250 3.0 306DT AJV6D Engine Alternator Generator 8X2310300CB

Product currently unavailable

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Peugeot Expert Citroen Berlingo Diesel Engine Alternator Generator 5705AS

Part no. 5705AS-1

Peugeot Expert Citroen Berlingo Diesel Engine Alternator Generator 5705AS

Product currently unavailable

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Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K

Part no. 059903018K

Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K

Product currently unavailable

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Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N

Part no. A0131540602

Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N

Product currently unavailable

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BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261

Part no. 7802261-2

BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261

Product currently unavailable

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Alternator Generator Mercedes W169 W245 Engine 115A 14V A2661540902

Part no. A2661540902

Alternator Generator Mercedes W169 W245 Engine 115A 14V A2661540902

Product currently unavailable

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Audi A4 B8 3.0 TDI CAPA Diesel Alternator 04L903017A

Part no. 04L903017A-1

Audi A4 B8 3.0 TDI CAPA Diesel Alternator 04L903017A

Product currently unavailable

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Audi A4 B7 4.2 FSI V8 Petrol Engine Alternator Generator 079903018X

Part no. 079903018X

Audi A4 B7 4.2 FSI V8 Petrol Engine Alternator Generator 079903018X

Product currently unavailable

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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802

Part no. A0009068802-3

Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802

Product currently unavailable

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BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator VALEO 170A 7802929

Part no. 7802929

BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator VALEO 170A 7802929

Product currently unavailable

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BMW F30 LCI 330e B48X Hybrid High Voltage Inverter Converter 8679666

Part no. 8679666

BMW F30 LCI 330e B48X Hybrid High Voltage Inverter Converter 8679666

Product currently unavailable

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Citroen Relay III Alternator Generator Valeo 9805343480

Part no. 9805343480

Citroen Relay III Alternator Generator Valeo 9805343480

Product currently unavailable

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Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030

Part no. 7515030

Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030

Product currently unavailable

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Skoda Rapid NH1 1.4 TSI Petrol Alternator Generator Bosch 04E903021M

Part no. 04E903021M

Skoda Rapid NH1 1.4 TSI Petrol Alternator Generator Bosch 04E903021M

Product currently unavailable

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Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A

Part no. 03C903023A

Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A

Product currently unavailable

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Audi A4 B8 3.2 FSI Alternator Generator 06E903016S

Part no. 06E903016S

Audi A4 B8 3.2 FSI Alternator Generator 06E903016S

Product currently unavailable

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Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit

Part no. A0131546802

Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit

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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

Part no. A0009063822-1

Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

Product currently unavailable

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MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970

Part no. 7806779-1

MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970

Product currently unavailable

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BMW 3 5 7 X3 Series E46 E60 E65 E83 M54 Alternator Generator 7541694 155A BOSCH

Part no. 7541694

BMW 3 5 7 X3 Series E46 E60 E65 E83 M54 Alternator Generator 7541694 155A BOSCH

Product currently unavailable

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BMW E90 E91 E92 E93 LCI X1 E84 X3 F25 Alternator Generator 180A N47N 8507624

Part no. 8509023

BMW E90 E91 E92 E93 LCI X1 E84 X3 F25 Alternator Generator 180A N47N 8507624

Product currently unavailable

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Mercedes W212 Engine Alternator Generator A0009062100

Part no. A0009062100

Mercedes W212 Engine Alternator Generator A0009062100

Product currently unavailable

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Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880

Part no. 9678048880

Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880

Product currently unavailable

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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980

Part no. 7789980-2

BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980

Product currently unavailable

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Alternator Iveco Daily II Engine Alternator Generator 140A 504057813

Part no. 504057813

Alternator Iveco Daily II Engine Alternator Generator 140A 504057813

Product currently unavailable

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BMW 3 5 7 X3 E46 E60 E61 E65 E83 M54 Alternator Generator 150A TG15C018

Part no. 7519721-1

BMW 3 5 7 X3 E46 E60 E61 E65 E83 M54 Alternator Generator 150A TG15C018

Product currently unavailable

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Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000

Part no. A0009063000

Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000

Product currently unavailable

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Alternator Support Nissan Qashqai Renault 2.0 dCi Engine Bracket 8200881264

Part no. 8200881264

Alternator Support Nissan Qashqai Renault 2.0 dCi Engine Bracket 8200881264

Product currently unavailable

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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469

Part no. 7550469-3

BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469

Product currently unavailable

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BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator Valeo 170A 7802929

Part no. 7802929-1

BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator Valeo 170A 7802929

Product currently unavailable

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Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660

Part no. 7797660

Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660

Product currently unavailable

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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Part no. A0009063322-1

Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Product currently unavailable

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Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673

Part no. 059903015R

Alternator Audi A6 C6 3.0 TDI Diesel Engine Generator 059903015R 1068673

Product currently unavailable

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Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R

Part no. 231008633R

Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R

Product currently unavailable

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Mercedes W176 W242 W246 Alternator Generator Bosch A180 Petrol A0009061903

Part no. A0009061903-1

Mercedes W176 W242 W246 Alternator Generator Bosch A180 Petrol A0009061903

Product currently unavailable

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Renault Trafic Vauxhall Vivaro 2.0 DCI Diesel Alternator Generator 231001423R

Part no. 231001423R

Renault Trafic Vauxhall Vivaro 2.0 DCI Diesel Alternator Generator 231001423R

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Alternator Generator Peugeot 207 Diesel 12V Electrical Unit 9646321780

Part no. 9646321780

Alternator Generator Peugeot 207 Diesel 12V Electrical Unit 9646321780

Product currently unavailable

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High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548

Part no. 8488548

High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548

Product currently unavailable

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BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137

Part no. 7521137

BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137

Product currently unavailable

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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459

Part no. 8200404459-1

Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459

Product currently unavailable

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Ford Transit Mk8 2.2 TDCI Alternator Generator CC1T-10300-CD

Part no. CC1T-10300-CD

Ford Transit Mk8 2.2 TDCI Alternator Generator CC1T-10300-CD

Product currently unavailable

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Alternator Bracket Ford Transit Mk7 2.4 TDCi Mount Belt Tensioner 6C1010K019AC

Part no. 6C1010K019AC

Alternator Bracket Ford Transit Mk7 2.4 TDCi Mount Belt Tensioner 6C1010K019AC

Product currently unavailable

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Alternator Mercedes W164  W221 W251 Engine Generator 220A Valeo A0009063522

Part no. A0141541302

Alternator Mercedes W164 W221 W251 Engine Generator 220A Valeo A0009063522

Product currently unavailable

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Audi A3 8V 2.0 TDI CRLB Diesel Alternator 03F903023D

Part no. 03F903023D

Audi A3 8V 2.0 TDI CRLB Diesel Alternator 03F903023D

Product currently unavailable

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MINI Cooper D One R50 Alternator Generator 7790879

Part no. 7790879

MINI Cooper D One R50 Alternator Generator 7790879

Product currently unavailable

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BMW 3 5 7 X5 Series E38 E39 E46 E53 Generator Alternator Bosch 120A 7501690

Part no. 7501690

BMW 3 5 7 X5 Series E38 E39 E46 E53 Generator Alternator Bosch 120A 7501690

Product currently unavailable

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Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B

Part no. 06J903023B

Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B

Product currently unavailable

Efficient alternators and generators – reliable power source for your vehicle

Efficient alternators and generators – reliable power source for your vehicle

A wide range of alternators and generators – tailored to various car models

Alternators and generators are key components of a vehicle's electrical system, responsible for generating the electricity needed to power all vehicle systems and charge the battery. Their proper operation ensures voltage stability, the reliability of electrical devices, and the comfort of vehicle operation. At the Global Parts automotive store , you'll find a wide selection of used car parts , including alternators and generators, perfectly matched to brands such as BMW , Audi , and more. Mercedes , Volkswagen , Mini and others.

Types of alternators and generators

Alternators are divided into classic and compact types. Compact alternators are smaller, lighter, and often used in modern cars, where space and weight reduction are key. Generators used in heavier vehicles, such as delivery vans or off-road vehicles, are more powerful to meet higher energy demands. Typical alternator output in passenger cars is between 70 and 150 amps, while in heavy-duty vehicles, it can reach up to 200 and 300 amps .

What functions do alternators and generators perform?

Alternators and generators play a key role in the functioning of a vehicle's electrical system:

  • Generating Electricity – Converts mechanical energy into electrical energy that powers all vehicle systems.
  • Battery Charging – Provides a constant supply of power, keeping the battery fully charged.
  • Voltage regulation – Built-in voltage regulators maintain stable voltage, protecting electrical devices from damage.
  • Support for electrical systems – They power lighting, air conditioning, radios and other devices, ensuring their uninterrupted operation.

Table – typical symptoms and parameters of alternators

SymptomPossible causeTechnical parameter
Poor battery chargingWorn out voltage regulatorOperating voltage: 13.8–14.4 V
Squeaking noises when the engine is runningDamaged drive beltPower consumption: 1.5–2.5 kW
Flickering lightsIncorrect voltage stabilizationCurrent: 90–150 A (passenger)
No chargingRotor or diode bridge failurePower: 1.2–3.0 kW

Why is it worth taking care of alternators and generators ?

A damaged or malfunctioning alternator or generator can lead to power issues and shorten the life of the battery. Typical symptoms include:

  • Discharged battery – May be due to faulty charging.
  • Battery light on dashboard – Indicates problems with the alternator or generator.
  • Unusual noises – Squeaks or grinding sounds may indicate worn bearings or drive belt.
  • Voltage fluctuations – May indicate problems with the voltage regulator. If you need a replacement, you'll find the right used car parts at Global Parts that will restore the full functionality of your electrical system.

How to choose the right alternators and generators ?

When choosing alternators and generators, there are several key aspects to consider:

  • Vehicle-specific fit – Every electrical system has its own specific technical requirements. At Global Parts, you'll find alternators and generators perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini , and more .
  • Technical condition – Used alternators and generators should be fully functional, free from mechanical and electrical damage.
  • Type and Capacity – Make sure the alternator or generator you choose has the correct power and voltage to meet your vehicle’s requirements.

Compatibility and fit

When choosing an alternator, it's important to match not only the vehicle brand but also the specific engine version. For example, the alternator in a BMW 320d (E90) differs in parameters from the alternator in a BMW 318i (E46), even though both models belong to the same 3 Series. Therefore, filtering parts catalogs by VIN or OEM specification is crucial. This ensures compatibility with the vehicle's electrical system and avoids installation issues.

Why choose used alternators and generators ?

Used car parts, such as used alternators and generators, are an economical solution that allows you to save money while maintaining high quality. By choosing used electrical components, you benefit from:

  • Lower costs – Used alternators and generators are much cheaper than new ones, but offer just as high quality.
  • Ecology – Recycling parts supports environmental protection and reduces waste.
  • A wide range of products – In our store you will find used alternators and generators to the most popular car brands.

How to take care of alternators and generators ?

To ensure that alternators and generators operate reliably for a long time, it is worth following a few rules:

  • Regular inspections – Check the condition of the alternator and generator during technical inspections.
  • Maintain your drive belt – Make sure the belt is properly tensioned and shows no signs of wear.
  • Cleaning and maintenance – Regularly remove dirt and check the condition of electrical connections.
  • Avoid overloads – Too many electrical devices connected at once can overload the system. If you need a replacement, you will find the right car parts at Global Parts that will ensure the durability and efficiency of your electrical system.

FAQ - Frequently asked questions about alternators and generators

QuestionAnswer
What is the function of an alternator in a car?An alternator is a device that converts mechanical energy from the engine's crankshaft into electrical current that powers the car's systems and charges the battery.
What is the difference between an alternator and a generator?A generator is the general term for a device that produces electricity. An alternator is a specific type of AC generator used in cars.
What does the term "compact alternator" mean?A compact alternator is reduced in size and weight while maintaining the same power output. It is often used in newer generation cars.
What are the symptoms of a faulty alternator?The most common include: battery light on, flashing lights, bearing noise, and voltage drops.
Are used alternators a good choice?Yes, alternators used from a reliable source are an economical and ecological solution that allows you to reduce operating costs.
How do I check if the alternator will fit my car?It is best to use the VIN number or compare the OEM part number – this guarantees full compatibility.
How much current should a functioning alternator generate?A standard alternator in a passenger car should maintain a voltage of 13.8–14.4 V at a current of up to 150 A.

Summary: Alternators and Generators at Global Parts Automotive Store

Alternators and generators are essential components of the electrical system, ensuring reliable power and the proper operation of all vehicle systems. By maintaining their technical condition, you can avoid power problems and extend the life of the entire electrical system. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , and more, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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