What is the construction and purpose of ignition and glow plug systems?

Ignition and glow plug systems are sets of components responsible for initiating the combustion process in the engine. In petrol versions, they usually include plugs, coils, leads, or control modules, and in diesels, glow plugs, power leads, and control elements. Their parts are mounted in the engine bay, mainly at the cylinder head and engine unit equipment.

What are ignition and glow plug systems used for?

Ignition and glow plug systems are used to ensure proper starting and stable engine operation in various conditions. The ignition system initiates a spark in a petrol engine, and the glow plug system preheats the combustion chamber in a diesel before starting and sometimes after starting as well. Their efficiency affects the smoothness of operation, exhaust emissions, and the ease of starting the unit.

What is the construction and function of an ignition module?

An ignition module is an electronic element controlling the transmission of a pulse to the coil or other ignition system parts. It acts as an intermediary between the control signal and the creation of a spark, which is why it must be compatible with the installation and engine type. When selecting, it is worth checking the OEM number, plug type, and how it works with engine sensors.

How to select a part for a specific engine version?

It is safest to compare the OEM number, engine unit code, connector type, and mounting location. In many cars, the same model generation could have been equipped with different coils, plugs, or modules, which is why it is also worth checking the VIN and equipment version.

What symptoms may indicate a problem with the ignition or glow plug system?

Typical symptoms include starting difficulties, uneven engine operation, misfiring, power loss, or longer cranking of the starter during a cold start. In practice, it is also worth assessing the condition of leads, connectors, plugs, and any signs of overheating at the connectors.

What mounting elements should be paid attention to before purchase?

It is worth checking the number of pins, plug type, mounting layout, and lead length if the element has them. Covers, seals, position in the engine bay, and compatibility with pre-facelift or post-facelift versions are also important if the manufacturer used different equipment variants.

Ignition Systems & Components

At the Global Parts automotive store, we offer a wide selection of original used car parts, including ignition and glow plug systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The ignition and glow plug systems we offer undergo quality control so that you can be sure that you are receiving a top-class product.

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Audi A3 8P Ignition Barrel Lock Sensor Switch Control Unit 1K0953527C

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 05E905110

Volkswagen Seat Skoda Audi 1.5 TSI TFSI Petrol Ignition Coil 05E905110

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A0001587903

Mercedes W204 W207 W211 M272 V6 Ignition Spark Coil Cable Petrol A0001587903

£75.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1K0905851B

Ignition Switch Volkswagen VW Caddy Maxi Lock Barrel Control Module 1K0905851B

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. 107905855CF-1

Seat Ibiza 6J Ignition Switch With Key Remote 107905855CF

£47.95

Free delivery: Sep 03

If paid before 14:00

Part no. AV61-12A343-BA

Land Rover Freelander 2 L359 Glow Plug Relay Module AV61-12A343-BA

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 5B3E988

BMW U06 U11 Negative Minus Earth Terminal HV Battery Cable Wire Harness 5B3E988

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 3C0905843AE

VW Passat B7 Engine Start Stop Ignition Barrel Lock Key Reader 3C0905843AE

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 05E905110A

Volkswagen Golf CD1 Ignition Coil EFI 05E905110A

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 6C1T-14300-BC

Ford Transit Mk7 Battery Positive Lead Cable Harness Wire 6C1T-14300-BC

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. rhd-6843883

Mini Cooper F54 F55 F56 F57 F60 Bracket Current Distributor 6843883

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A1695451208

Mercedes-Benz A-Class W169 Ignition Switch Lock Control Module A1695451108

£56.95

Free delivery: Sep 03

If paid before 14:00

Part no. 9144884-1

BMW E81 E84 E87 E90 Distributor External Ignition Base 9144884

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2829062100

Ignition Coil Mercedes W177 W247 M282 Petrol Engine Ignition Coil A2829062100

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1383417

BMW E36 E39 E38 E31 Blue Relay Module 12V DRM 2 1383417

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 6RA953527

Audi A3 S3 8V VW Polo 6R Ignition Barrel Steering Lock Switch 6RA953527

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. 04E905110K-1

Ignition Coil Seat Ibiza 6J VW Polo 6R Skoda Fabia 3 1.2 TSI 04E905110K SET X4

£32.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2729060060-1

Ignition Coil Mercedes W211 W221 Petrol Engine M272 M273 A2729060060

£28.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7835170

BMW 3 5 6 Series E60 M5 E63 M6 E90 E92 E93 M3 Ignition Spark Plug Pipe 7835170

£13.95

Free delivery: Sep 03

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Part no. 9666671780

Peugeot Citroen Ford Volvo Relay Glow Plug Module 8 Pins Unit Black 9666671780

£13.95

Free delivery: Sep 03

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Part no. rhd-7823719

Mini Cooper R55 R56 R57 LCI Positive Battery Cable Plus Pole Lead 7823719

£18.95

Free delivery: Sep 03

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Part no. 9217031-2

BMW 1 3 X1 Series E82 E84 E88 E90 E91 E92 LCI Battery Cable Plus Pole 9207519

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2095451408

Mercedes W203 CLK C209 Ignition Switch Lock Control Module A2095451908

£47.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1685821

Ford Focus Mk3 Glow Plug Harness Electric Loom 71583580 1733055 AV6Q6M091AA

£13.95

Free delivery: Sep 03

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Part no. 7551049-1

BMW E46 E60 E81 E87 E90 F10 F20 F30 Ignition Coil Set 7551049

£56.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1K0905851D

Skoda Rapid NH1 Ignition Starter Steering Wheel Lock Cylinder + Key 1K0905865A

£47.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2469055601

Mercedes W176 W246 Ignition Switch Lock Control Unit Module A2469055601

£51.95

Free delivery: Sep 03

If paid before 14:00

Part no. 6925716

BMW 1 3 X1 Series E81 E87 E90 E91 Cover Distributor External Ignition 6925716

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1K0905851

Seat Ibiza 6J Ignition Switch Lock Barrel Control Module Key 1K0905851

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2059003419

Ignition Switch Mercedes W205 W253 Key Reader Lock Control Unit A2059003419

£28.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7594937

BMW X1 X3 X5 Series E60 E65 E81 E87 E87N E90 E91 Ignition Coil 7594937

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2125450108

Ignition Switch Mercedes W212 Lock Control Unit Module A2125450108

£47.95

Free delivery: Sep 03

If paid before 14:00

Part no. Q0003503V003000000

Smart C450 Engine Immobilizer Relay Radio Reciver Q0003503V003000000

£18.95

Free delivery: Sep 03

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Part no. RHD-107837168AB

Seat Ibiza Mk4 6J Front Door Cylinder Lock Barrel 107837168AB 6J3837167

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2059007121

Mercedes W205 Instrument Panel Ignition Starter Switch Key Reader A2059007121

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1K0905851B-8

VW Volkswagen Caddy Maxi Ignition Switch Lock Barrel Control Module 1K0905851B

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. 9217031-1

BMW E82 E84 E88 E90 E91 E92 LCI Battery Cable Plus Pole 9217031

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7559842-2

BMW E81 E87 LCI E90 E91 E92 F10 F11 Ignition Coil Petrol 7559842

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 03F905487

Volkswagen Polo 6R 1.2 TSI Petrol Engine Ignition Coil Mounting Holder 03F905487

£13.95

Free delivery: Sep 03

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Part no. 5A070B3

IBS Cable BMW F40 Battery Lead Negative Black Wire Wiring 5A070B3

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2229009407

Mercedes W205 W222 Ignition Barrel Start Button Lock A2229009407

£108.95

Free delivery: Sep 4 – 11

If paid before 14:00

Part no. 04E905110P

Seat Arona Fr Kj7 Audi A1 Mk2 High Voltage Ignition Coil 04E905110P

£13.95

Free delivery: Sep 03

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Part no. 99760210402

Porsche Cayman 987C Carrera 996 Ignition Coil Spark Plug Connector 99760210402

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7605104-1

BMW E90 LCI Spark Plug Cylinder Head Plug Slot Insert N55 Set X3 7605104

£42.95

Free delivery: Sep 03

If paid before 14:00

Part no. A1679007112

Ignition Switch Mercedes V177 Electronic Key Reader Remote Control A1679007112

£75.95

Free delivery: Sep 03

If paid before 14:00

Part no. 224332428R

Dacia Sandero II Smart C453 High Voltage Ignition Coil 224332428R 281920

£32.95

Free delivery: Sep 03

If paid before 14:00

Part no. 2311876

Ford Fiesta ST Mk8 Ignition Coil Pack 1.5 EcoBoost Petrol HX7G-12A366-AA

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. 4434884

Ford Ranger Mk4 Ignition Switch Barrel With Key 4434884

£142.95

Part no. 9190108

BMW Z4 Series E89 Distributor External Ignition Base 9190108

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 8782850

Mini F56 B38C 3 door B+ Distributor Terminal Power Box 600 W EDH DKG 8782850

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. A9069004001

Mercedes W906 Diesel Station Ignition Starter Switch Barrel Lock A9069004001

£241.95

Free delivery: Sep 4 – 11

If paid before 14:00

Part no. 7PP905865F

Porsche Cayenne 92A Panamera Ignition Lock Switch Barrel 7PP905865F

£28.95

Free delivery: Sep 03

If paid before 14:00

Part no. A4479003519

Mercedes Vito W447 Ignition Lock Control Module Switch A4479003519

£75.95

Free delivery: Sep 03

If paid before 14:00

Part no. 07K905715G

Audi A4 B8 TT 8J Golf Mk6 Ignition Coil Pack Set x4 2.0 TSI TFSI 07K905715G

£56.95

Free delivery: Sep 03

If paid before 14:00

Part no. 107905855CF-2

Audi A3 S3 8V Ignition Switch Barrel With Key 107905855CF

£47.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2055457600

Mercedes C205 Power Distribution Rail Busbar Cover Bracket Mount A2055457600

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. 9442116

IBS Cable BMW F40 Battery Lead Negative Black Wire Wiring 9442116

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. 04C905110J

Volkswagen Scirocco Mk3 CZCA Petrol Engine High Voltage Ignition Coil 04C905110J

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 6925899

Positive Cable Mini One D R50 W17 Battery Red Wiring Plus Lead B+ 6925899

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7595546

Spark Plug BMW F10 F20 F30 F32 N20 Petrol Engine Recess Insert 7595546

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7595545

Spark Plug BMW F10 F20 F30 F32 N20 Petrol Engine Recess Insert 7595545

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. VOL10112COP

VOLT Engine Ignition Coil VOL10112COP

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. BK2A3677AG-1

Ford Transit Custom Mk8 Remote Key Fob Ignition Lock Barrel Set BK2A3677AG

£66.95

Free delivery: Sep 03

If paid before 14:00

Part no. 5Q0905865-2

Volkswagen Golf R Mk7 Ignition Switch Barrel Lock Control With Key 5Q0905865

£47.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2139003533

Ignition Switch Module Mercedes W205 C253 Control Unit A2139003533

£379.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2769060401

Mercedes W166 Ignition Coil High Voltage M157 AMG Engine A2769060401 0221604067

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. A1121500218

Mercedes Benz W203 W211 W220 Ignition Spark Coil Cable Lead Petrol A1121500218

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A1121500118

Mercedes Benz W203 W211 W220 Ignition Spark Coil Cable Lead Petrol A1121500118

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. CK52-14452-BC

Range Rover L405 Positive Battery Lead Power Distribution Unit CK52-14452-BC

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1827901-1

Ford Fiesta Mk7 Ignition Coil 1.0 Ecoboost Petrol Engine CM5G-12A366-CB

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2769063500

Mercedes W166 Ignition Coil High Voltage M157 AMG Engine A2769063500 0221604067

£18.95

Free delivery: Sep 03

If paid before 14:00

Part no. CK52-14452-AB

Range Rover L405 Power Distribution Control Unit CK52-14452-AB

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7594596-1

BMW F20 F21 F22 LCI F33 Ignition Coil Pack Set x6 M135i M235i 435i 7594596

£75.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2469058101

Mercedes W246 Engine Ignition Switch Barrel Key Reader Module + Key A2469058101

£75.95

Free delivery: Sep 03

If paid before 14:00

Part no. 8E0905855A

Volkswagen Transporter T5 Ignition Lock Cylinder Switch With Key 8E0905855A

£42.95

Free delivery: Sep 03

If paid before 14:00

Part no. 06H905110L

Ignition Coil Audi A3 8Y A4 B9 Q3 F3 Petrol Engine Ignition Coil Pack 06H905110L

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 8490500

BMW U06 Power Supply Managment Cable Wire Harness 8490500

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. AA6T-11572-AA

Ford Transit Custom Mk8 Ignition Barrel Switch Key Reader Unit AA6T-11572-AA

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 94AG-A3697-AB

Ford Transit Connect Mk2 Key And Ignition Control Module 94AG-A3697-AB

£28.95

Free delivery: Sep 03

If paid before 14:00

Part no. RHD-2126604-1

Ford Transit Mk7 Ignition Cylinder Lock Barrel Key Remote Set 2126604

£56.95

Free delivery: Sep 03

If paid before 14:00

Part no. 5047437

Ford Mondeo Mk4 Ignition Coil 1.8 2.0 Petrol 5047437

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. BK2A-V21990-AJ-1

Ford Transit Custom Mk8 Remote Key Fob Ignition Lock Barrel Set BK2A-3677-AG

£94.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2189053401

Mercedes W212 Ignition Control Module Starter Switch A2189053401

£113.95

Free delivery: Sep 03

If paid before 14:00

Part no. 9091902197

Lexus LS400 Ignition Coil Assy With Bracket Mount 1UZFE 4.0 V8 9091902197

£28.95

Free delivery: Sep 03

If paid before 14:00

Part no. 30713417

Ford Focus Mk2 Mondeo Volvo C70 Ignition Coil Pack 2.5 Petrol 30713417 Set x5

£47.95

Free delivery: Sep 03

If paid before 14:00

Part no. 3AA919041A

Volkswagen Tiguan 5N Ignition Start Stop Switch Control Unit Module 3AA919041A

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2205450908

Mercedes W220 Ignition Lock Ignition Switch Control Module A2205450908

£94.95

Free delivery: Sep 4 – 11

If paid before 14:00

Part no. RHD-4874483-1

Ford Transit MK7 Ignition Lock Barrel Key Reader Ring Control Unit 4874483

£32.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7830788

BMW E36 E46 E85 E86 Knock Ping Detonation Sensor 7830788

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A2469059500

Mercedes W176 Ignition Lock Key Reader Switch Module Unit A2469059500

£94.95

Free delivery: Sep 03

If paid before 14:00

Part no. 036905715H

Audi A1 S1 8X A3 8P Volkswagen Golf 5K Passat 35 36 Ignition Coil 036905715H

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 3M51-3F880-AD-1

Ford Mondeo Mk4 Ignition Cylinder Barrel 3M51-3F880-AD

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. 058905105

Audi A3 8L A4 S4 8D Spark Coil Ignition Plug 1.8 Petrol Quattro APY 058905105

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. A0001587203

Mercedes C140 CL420 M119 Engine High Voltage Ignition Coil Plug A0001587203

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 9453463

BMW F70 F74 X1 U11 X2 U10 Ignition Coil B38 B48 Petrol 9453463

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7587463

BMW Z4 E82 E88 E89 Battery Negative Cable Lead Wire 7587463

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 7S7T-19H386-DA

Ford Mondeo Mk4 Ignition Immobiliser Reader Holder Bracket Mount 7S7T-19H386-DA

£13.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1K0905851B-6

Volkswagen Golf Mk5 Ignition Switch Lock Barrel Control Module 1K0905851B

£23.95

Free delivery: Sep 03

If paid before 14:00

Part no. 1K0905851-2

Volkswagen Scirocco Mk3 Ignition Switch Lock Control Module 1K0905851

£18.95

Free delivery: Sep 03

If paid before 14:00

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