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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Ford Transit MK6 2.4 Diesel Engine Alternator Generator 4461712

Part no. 4461712-1

Ford Transit MK6 2.4 Diesel Engine Alternator Generator 4461712

Product currently unavailable

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Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705

Part no. A0009063705

Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705

Product currently unavailable

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Volkswagen Polo Mk5 Alternator Generator 140A Diesel Engine 04B903023D

Part no. 04B903023B

Volkswagen Polo Mk5 Alternator Generator 140A Diesel Engine 04B903023D

Product currently unavailable

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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086

-40%

Part no. 8626086

Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086

Product currently unavailable

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Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902

Part no. A2711540902

Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902

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Ford Transit Mk7 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BC

Part no. CC1T-10300-BC

Ford Transit Mk7 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BC

Product currently unavailable

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Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C

Part no. 06K903026C

Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C

Product currently unavailable

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Audi A3 8P Engine Alternator Generator 14V 140A 1.8 TFSI CDAA 06H903017E

Part no. 06H903017EX

Audi A3 8P Engine Alternator Generator 14V 140A 1.8 TFSI CDAA 06H903017E

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Skoda Fabia Mk2 5J Engine Alternator Generator Unit 14V 110A 06F903023D

Part no. 06F903023D

Skoda Fabia Mk2 5J Engine Alternator Generator Unit 14V 110A 06F903023D

Product currently unavailable

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Mini R50 R52 Alternator Generator 110A Benzin 7550997 7550319

Part no. 7550319

Mini R50 R52 Alternator Generator 110A Benzin 7550997 7550319

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Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702

Part no. A0009067702

Alternator Generator Mercedes W204 W207 W212 Engine Diesel 180A 14V A0009067702

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Alternator Generator Honda Civic Jazz Petrol Engine Mitsubishi 31100-PWA-004

Part no. 31100-PWA-004

Alternator Generator Honda Civic Jazz Petrol Engine Mitsubishi 31100-PWA-004

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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583

Part no. 13502583

Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583

Product currently unavailable

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Audi Q7 4L Diesel Alternator Generator Engine Electrical Unit 059903018E

Part no. 059903018E

Audi Q7 4L Diesel Alternator Generator Engine Electrical Unit 059903018E

Product currently unavailable

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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

Part no. A0009060922

Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

Product currently unavailable

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Audi A1 GB Seat Ibiza FR Alternator Generator 140A Petrol 1.0 TSI 05E903026Q

Part no. 05E903026Q

Audi A1 GB Seat Ibiza FR Alternator Generator 140A Petrol 1.0 TSI 05E903026Q

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Alternator Citroen Berlingo Peugeot Partner Diesel 1.6 Hdi Alternator 9665580680

Part no. 9665580680

Alternator Citroen Berlingo Peugeot Partner Diesel 1.6 Hdi Alternator 9665580680

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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

Part no. 7542529

BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

Product currently unavailable

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Volkswagen Polo 6N Alternator Generator BOSCH 14V 70A 028903025G

Part no. 028903025G

Volkswagen Polo 6N Alternator Generator BOSCH 14V 70A 028903025G

Product currently unavailable

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Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030

Part no. 7515030-2

Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030

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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

Part no. 7542529-2

BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

Product currently unavailable

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BMW X5 E70 Alternator Generator Engine Unit Valeo 220A 14V 7801124

Part no. 7801124

BMW X5 E70 Alternator Generator Engine Unit Valeo 220A 14V 7801124

Product currently unavailable

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Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A 7540992

Part no. 7540992-2

Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A 7540992

Product currently unavailable

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Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506

Part no. A0141541502

Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506

Product currently unavailable

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Hyundai H-1 2.5 CRDI Alternator Generator 373004A310

Part no. 373004A310

Hyundai H-1 2.5 CRDI Alternator Generator 373004A310

Product currently unavailable

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Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102

Part no. A6461540102-1

Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102

Product currently unavailable

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BMW F10 F11 F12 F13 N57N Diesel Alternator 210A Valeo 8515754

Part no. 8515754-1

BMW F10 F11 F12 F13 N57N Diesel Alternator 210A Valeo 8515754

Product currently unavailable

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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426

Part no. 7550997-1

Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426

Product currently unavailable

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Alternator BMW F20 F21 F30 F31 F36 Petrol N55 Generator 210A 7616120

Part no. 7616120

Alternator BMW F20 F21 F30 F31 F36 Petrol N55 Generator 210A 7616120

Product currently unavailable

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Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504

Part no. A0009068504

Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504

Product currently unavailable

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Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603

Part no. 7848603-1

Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603

Product currently unavailable

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Audi Q2 GA Diesel Engine Alternator Generator Assembly Bosch 04L903024T

Part no. 04L903021G

Audi Q2 GA Diesel Engine Alternator Generator Assembly Bosch 04L903024T

Product currently unavailable

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Honda Stream S Alternator Generator 31100-PSA-013

Part no. 31100-PSA-013

Honda Stream S Alternator Generator 31100-PSA-013

Product currently unavailable

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Mercedes W213 M274 Petrol Three Phase Engine Alternator Generator A0009067703

Part no. A0009067703

Mercedes W213 M274 Petrol Three Phase Engine Alternator Generator A0009067703

Product currently unavailable

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Audi A4 B6 B7 A1 8X 1.9 TDI 2.0 TDI Engine Alternator Generator 06F903023FX

Part no. 06F903023FX

Audi A4 B6 B7 A1 8X 1.9 TDI 2.0 TDI Engine Alternator Generator 06F903023FX

Product currently unavailable

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Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A

Part no. 7615484-1

Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A

Product currently unavailable

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Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802

Part no. A2661540802

Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802

Product currently unavailable

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

Part no. 7521137-2

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

Product currently unavailable

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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P

Part no. 03L903023P-1

Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P

Product currently unavailable

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Audi A4 B8 A5 8F 2.0 TDI Diesel Engine Alternator Generator 04L903017D

Part no. 04L903017D

Audi A4 B8 A5 8F 2.0 TDI Diesel Engine Alternator Generator 04L903017D

Product currently unavailable

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BMW 3 5 E39 E46 M52 M54 320i 325i 330i 520i Alternator Generator 90A Valeo

Part no. 7501687

BMW 3 5 E39 E46 M52 M54 320i 325i 330i 520i Alternator Generator 90A Valeo

Product currently unavailable

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BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469

Part no. 7550469

BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469

Product currently unavailable

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Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056

Part no. A0111549302

Mercedes-Benz C-Class W203 M111 C 180 Bosch Alternator Generator 0124515056

Product currently unavailable

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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167

Part no. 8634167

Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167

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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

Part no. 7542529-1

BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529

Product currently unavailable

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BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675

Part no. 8570676-1

BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675

Product currently unavailable

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BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661

Part no. 7797661-2

BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661

Product currently unavailable

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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

Part no. A0009060922-1

Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922

Product currently unavailable

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BMW X5 E53 3.0i Petrol M54 Alternator Valeo 140A 7551252

Part no. 7551252

BMW X5 E53 3.0i Petrol M54 Alternator Valeo 140A 7551252

Product currently unavailable

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Audi A4 B6 4.2 BBK Petrol Engine Alternator Generator 079903021D

Part no. 079903021D

Audi A4 B6 4.2 BBK Petrol Engine Alternator Generator 079903021D

Product currently unavailable

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Citroen Relay Jumper 35L Alternator Bracket Belt Tensioner Holder 9807162780

Part no. 9807162780

Citroen Relay Jumper 35L Alternator Bracket Belt Tensioner Holder 9807162780

Product currently unavailable

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BMW X5 X6 E70 E71 M57N2 Alternator Generator 180A VALEO 7801173

Part no. 7801173-1

BMW X5 X6 E70 E71 M57N2 Alternator Generator 180A VALEO 7801173

Product currently unavailable

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BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837

Part no. 7533837

BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837

Product currently unavailable

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BMW E90 E81 E87 E85 Alternator Generator 150A N45 N46 Petrol Engine 7533270

Part no. 7533270-2

BMW E90 E81 E87 E85 Alternator Generator 150A N45 N46 Petrol Engine 7533270

Product currently unavailable

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BMW E81 E90 E91 E60 LCI Petrol Alternator Generator 180A 7550968

Part no. 7555926

BMW E81 E90 E91 E60 LCI Petrol Alternator Generator 180A 7550968

Product currently unavailable

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BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861

Part no. 7786861

BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861

Product currently unavailable

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Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F

Part no. 079903015F

Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F

Product currently unavailable

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Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX

Part no. 03G903016EX

Audi A4 B8 2.0 TDI Alternator Generator 03G903016EX

Product currently unavailable

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BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Generator Unit 14V 190A 8645326

Part no. 8645326

BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Generator Unit 14V 190A 8645326

Product currently unavailable

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Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K

Part no. 059903143K

Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K

Product currently unavailable

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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426

Part no. 7550997-2

Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426

Product currently unavailable

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BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628

Part no. 7606628

BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628

Product currently unavailable

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Alternator Volkswagen LT35 2.5 TDI Diesel Engine Alternator 90A Bosch 074903025K

Part no. 074903025K

Alternator Volkswagen LT35 2.5 TDI Diesel Engine Alternator 90A Bosch 074903025K

Product currently unavailable

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Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802

Part no. A0009068802-2

Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802

Product currently unavailable

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Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622

Part no. A0009063622

Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622

Product currently unavailable

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BMW E90 E91 E92 E93 LCI Diesel N57 Alternator Remy 150A 7808073 DRA0429

Part no. 7808073-1

BMW E90 E91 E92 E93 LCI Diesel N57 Alternator Remy 150A 7808073 DRA0429

Product currently unavailable

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Ford Transit Mk8 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BD

Part no. CC1T-10300-BD

Ford Transit Mk8 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BD

Product currently unavailable

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Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701

Part no. A0009063701

Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701

Product currently unavailable

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Mercedes W205 C63 Petrol Engine 14V 200A Alternator Generator Unit A0009061705

Part no. A0009061705

Mercedes W205 C63 Petrol Engine 14V 200A Alternator Generator Unit A0009061705

Product currently unavailable

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

Part no. 7521137-1

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

Product currently unavailable

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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702

Part no. A0141542702-1

Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702

Product currently unavailable

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Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B

Part no. 070903024B

Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B

Product currently unavailable

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Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE000051

Part no. YLE000051

Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE000051

Product currently unavailable

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Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900

Part no. A0009067900

Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900

Product currently unavailable

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Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE500180

Part no. YLE500180

Land Rover Range Rover L322 3.0d M57 Engine Alternator Generator YLE500180

Product currently unavailable

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Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J

Part no. 06F903023J

Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J

Product currently unavailable

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BMW 3 Z4 E46 E85 M54 325i 2.2i 2.5i 3.0i Alternator Generator 120A Bosch

Part no. 7519620

BMW 3 Z4 E46 E85 M54 325i 2.2i 2.5i 3.0i Alternator Generator 120A Bosch

Product currently unavailable

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Audi A4 B7 2.7 TDI BPP Diesel Engine Alternator Generator 059903023BX

Part no. 059903023BX

Audi A4 B7 2.7 TDI BPP Diesel Engine Alternator Generator 059903023BX

Product currently unavailable

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Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator Valeo 04E903023K

Part no. 04E903023K

Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator Valeo 04E903023K

Product currently unavailable

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Alternator BMW X5 E53 Engine N62 Alternator Generator 14V 100/180A Valeo 7540993

Part no. 7540993

Alternator BMW X5 E53 Engine N62 Alternator Generator 14V 100/180A Valeo 7540993

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

Part no. 6C1T-10300-CD

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

Product currently unavailable

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Audi Volkswagen Seat Skoda Engine Alternator Generator 06F903023C

-15%

Part no. 06F903023C

Audi Volkswagen Seat Skoda Engine Alternator Generator 06F903023C

Product currently unavailable

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MINI Cooper One R55 R56 R57 R57 R58 LCI Alternator Generator Petrol 7575650

Part no. 7575650

MINI Cooper One R55 R56 R57 R57 R58 LCI Alternator Generator Petrol 7575650

Product currently unavailable

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Volkswagen Golf Mk8 Audi Q2 GA A3 8V 8Y 1.5 TSI Alternator 14V 140A 05E903026K

Part no. 05E903026K

Volkswagen Golf Mk8 Audi Q2 GA A3 8V 8Y 1.5 TSI Alternator 14V 140A 05E903026K

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Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791

Part no. 7831436

Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791

Product currently unavailable

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Citroen Dispatch Alternator Generator Valeo 90A 12V 9655296080

Part no. 9655296080

Citroen Dispatch Alternator Generator Valeo 90A 12V 9655296080

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Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981

Part no. 7789981-1

Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981

Product currently unavailable

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Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S

Part no. 03C903023S

Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S

Product currently unavailable

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Ford Focus Mondeo Diesel Engine Alternator Generator Engine Unit 6G9N-10300-UD

Part no. 6G9N10300UD

Ford Focus Mondeo Diesel Engine Alternator Generator Engine Unit 6G9N-10300-UD

Product currently unavailable

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Seat Ateca FR 2.0 TDI Engine Alternator Generator Valeo 14V 140A 04L903021D

Part no. 04L903021H

Seat Ateca FR 2.0 TDI Engine Alternator Generator Valeo 14V 140A 04L903021D

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Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002

Part no. A0131549002

Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002

Product currently unavailable

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Alternator Generator Mini Cooper R55 R56 R57 R57 R58 LCI Petrol 7574365

Part no. 7574365-1

Alternator Generator Mini Cooper R55 R56 R57 R57 R58 LCI Petrol 7574365

Product currently unavailable

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High Voltage Inverter BMW i3 I01 Electric 60Ah Electrical Machine Electronics

Part no. 9453859

High Voltage Inverter BMW i3 I01 Electric 60Ah Electrical Machine Electronics

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Ford Transit Connect MK1 Focus MK1 Engine Alternator Generator 2T1U-10300-CG

Part no. 2T1U-10300-CG

Ford Transit Connect MK1 Focus MK1 Engine Alternator Generator 2T1U-10300-CG

Product currently unavailable

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Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator 110A 03C903023G

Part no. 03C903023G-1

Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator 110A 03C903023G

Product currently unavailable

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Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M

Part no. 03L903024M

Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M

Product currently unavailable

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BMW F20 F21 F30 F31 F32 N47N Diesel Alternator 175A 7823343 7823344

Part no. 7823344-2

BMW F20 F21 F30 F31 F32 N47N Diesel Alternator 175A 7823343 7823344

Product currently unavailable

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Alternator Generator Mercedes W207 W212 W906 Engine Diesel 200A 14V LRA03818

Part no. A0009062822

Alternator Generator Mercedes W207 W212 W906 Engine Diesel 200A 14V LRA03818

Product currently unavailable

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BMW F45 Alternator Generator 14V 180A DENSO 8680374

Part no. 8680374-1

BMW F45 Alternator Generator 14V 180A DENSO 8680374

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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