What is the construction and purpose of alternators and generators?

Alternators and generators are devices mounted to the engine, designed to generate electrical energy for the vehicle's needs. A typical unit consists of a housing, rotor, stator, diode bridge, voltage regulator, pulley, and electrical connectors. This component operates in the charging system and works with the battery and the car's onboard electrical installation.

What are alternators and generators used for?

Alternators and generators are used to power electrical consumers while the engine is running and to charge the battery. They are responsible for the stable voltage needed for the operation of lights, control units, heating, fans, and other electrical systems. When they operate incorrectly, voltage drops, starting problems, and equipment malfunctions may occur.

What role does the voltage regulator play?

The voltage regulator is a component that controls the alternator's operation and maintains the correct charging level in the electrical system. It limits excessive voltage spikes and stabilizes system operation during varying engine speeds. Depending on the design, it may be integrated with the alternator or appear as a replaceable element working with the brushes.

How to choose an alternator or generator for a specific car?

It is safest to compare the OEM part number, interchangeable numbers, fuel type, engine version, and mounting type. It is also worth checking the electrical connector, pulley diameter, and current output. If there are differences between equipment versions, verification by VIN is helpful.

What symptoms indicate problems with an alternator or generator?

Typical symptoms include a battery warning light, flickering lights, weak charging, and noise coming from the engine accessory area. In some cases, there are also problems with starting the car or unstable operation of electrical devices. During diagnostics, it is worth checking the charging voltage, belt condition, and electrical connections.

What should be checked before installing a used alternator?

Before installation, it is good to compare mounting points, the plug, the pulley, and part markings with the removed unit. You should also assess the condition of the housing, threads, connectors, and any signs of overheating. It is also important to check cooperating elements, such as the accessory belt or power cables.

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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Seat Leon Mk3 5F Alternator Generator Unit 140A 1.5 TSI Petrol Engine 05E903026C

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0009068802-4

Mercedes Sprinter W906 Alternator Generator FAL1121 A6511540000

€142.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L903017A-1

Audi A4 B8 3.0 TDI CAPA Diesel Alternator 04L903017A

€75.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903024M

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

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7802929

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

€161.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. LR105985

Land Rover Discovery Sport L550 Alternator 14V 230 Amp 2.0 Diesel GX7310300DF

€61.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7560377

Cable Alternator BMW E81 E82 E87 E88 E90 E91 LCI Starter B+ 7560377

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0009063822-1

Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1601540501

Smart Fortwo 450 Alternator Generator Denso 0.6 0.7 Petrol Engine A1601540501

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2265722-1

Ford Focus Mk3 Fiesta Mk7 Engine Alternator Generator 120A Lucas LRA03009

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903023K

Audi A3 8V A4 A5 B8 Alternator Generator Electrical Unit Diesel 03L903023K

€61.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. DAN1110

Range Rover Sport L405 Alternator 4.4 SDV8 Diesel Denso DAN1110

€132.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6512012009

Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. DAN1328

Audi A1 8X DAN1328 Denso Alternator Generator 14V 140A 104211-8380

€85.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7640132-4

BMW F20 F30 Mini F56 Alternator Generator 150A Denso 7640131

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06K903015B

VW Volkswagen Golf Mk7 Alternator Generator 2.0 TSI Petrol Engine 06K903015B

€85.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. LR079256

Land Rover Discovery Sport L550 L494 L538 Jaguar XF Alternator GX73-10300-DE

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2073237

Ford Transit Mk7 Alternator Generator 2.2 TDCi Diesel 1709003 AC-1T10300-BB

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0009062822-2

Alternator Generator Mercedes W207 W212 W906 Engine Diesel 12V 250A AAL1954

€161.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7605061-2

BMW F10 F30 N20 Alternator Generator 14V 170A Diesel Denso DAN1126

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L903018A

Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A

€123.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. GK2T-10300-CD

Ford Transit Custom S-Max Alternator Generator 240A 2.0 TDCi GK2T-10300-CD

€75.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. 2522569

Ford Puma Fiesta Mk8 Alternator Generator 130A 14V Petrol M1BT-10300-AAA

€85.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0009063000-1

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

€99.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903023K-1

Audi A3 8P A4 A5 B8 Q5 Alternator Generator Diesel Electrical Unit 03L903023K

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7852129

Alternator BMW F90 M5 F91 M8 S63M Petrol Engine Generator 250A Valeo 7852129

€189.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7831436

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

€108.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6956939-1

Changer Unit BMW E63 E64 6-disc Compact CD Head Player 6956939

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7541779

BMW Z4 E85 2.0i N46 Cable Alternator Starter Base B+ 7541779

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8634166

Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166

€189.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04E903023K

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

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A4539063900

Smart C453 Alternator Generator 90A A4539063900 281920

€123.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2321615

Ford Fiesta Mk7 Alternator Generator 1.6 Petrol Engine AV11-19D629-AC 2321615

€75.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903023M

Volkswagen Tiguan Mk2 Golf Mk7 Crafter Mk2 Alternator 180A 14V 2.0TDI 03L903023M

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7640132-1

Alternator BMW F20 LCI Mini F30 F56 F60 Alternator Generator DENSO 150A

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903024F-1

Volkswagen Passat CC Alternator 2.0 TDI 11721N BT23K1

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8200881264

Alternator Support Nissan Qashqai Renault 2.0 dCi Engine Bracket 8200881264

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 038903018P

Volkswagen Golf Mk4 GTi Alternator Generator 110A 14V 038903018P

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8570676-1

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

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903023K-2

Audi A3 8P A4 B8 A5 8T Q5 8R Alternator Generator Diesel 03L903023K

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7542934-1

BMW E60 E61 E65 N62N Petrol Alternator Generator 180A 14V 7542934

€89.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903023L-1

Audi A3 8V Diesel Engine Alternator Generator 14V 140A NAPA NAL1206

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5A504F9

Mini F65 F66 BMW F70 Alternator Generator 180A 1.5 2.0 Petrol Engine 5A504F9

€237.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0131548102

Mercedes W203 Alternator Generator 120A 14V Bosch 2.6 Petrol A0131548102

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7542529-1

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

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7646814-1

BMW F10 F20 F30 LCI Alternator Generator Unit Diesel B47 7646814

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L903017D

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

€70.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7640875

Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7616119

Alternator Generator BMW F10 F11 F20 F21 F30 F31 N55 Denso 14V 210A 7616119

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 94860301502

Porsche Cayenne Turbo 9PA Alternator Generator 14V 190A 94860301502

€142.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. AH2210300AB

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

€94.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0009060803

Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803

€118.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. CC1T10300BB

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

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7515030-3

Mini R52 R53 Petrol W11 Compact Alternator Generator 7515030

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903023B

Volkswagen Passat B7 Alternator Generator 1.6 2.0 TDI Valeo 180A 03L903023B

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6261500075

Mercedes W205 Alternator Protective Cover Metal Sheet A6261500075

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06B903016AB

Audi A4 B7 Petrol Engine Alternator Generator Electric Unit 14V 140A 06B903016AB

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1684865

Ford Focus St-2 Mk2 Alternator 120A 14V 2.5 Petrol Manual 3M5T-10300-JC 1684865

€85.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04C903023K

Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1725403405

Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1329060026

Smart Fortwo 451 Starter Alternator 120A 14V 1.0 M132 Petrol A1329060026

€379.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03C903025DX

VW Volkswagen Tiguan Mk1 5N Audi A1 8X Alternator Generator 1.4 TFSI 03C903025DX

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06F903023HX

Volkswagen Golf Mk5 2.0 TFSI Petrol Alternator Generator 06F903023HX

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8634124

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

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. CC1T-10300-CD

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

€89.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. LR028116

Land Rover Range Rover Evoque L538 Alternator 2.2 TDCI BJ32-10300-AD

€142.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6C1T-10300-BD

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

€75.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7639661

BMW F20 Alternator Engine Alternator Generator Denso 170A Petrol N55 7639661

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06J903023G

VW Volkswagen Polo GTI 6R Golf Mk7 Alternator Generator 14V 140A 6J903023G

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8509226

BMW F31 Diesel Engine Alternator Generator 220A Valeo N57D30A 8509226

€94.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8594487

BMW F45 Mini F56 Positive Battery Alternator Starter Cable Wiring 8594487

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03L903143K

Audi A4 B8 2.0 TDI Alternator Mount Tensioner Pulley Bracket Support 03L903143K

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7605478

BMW 1 3 Z4 Series F20 F30 E89 Petrol Alternator 170A 7605478

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2371741

Mini F55 F56 Battery Cable Positive Battery Alternator Starter Wiring 2371741

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9807162780

Citroen Relay Jumper 35L Alternator Bracket Belt Tensioner Holder 9807162780

€104.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7808074-1

BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel 7808074

€85.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. CV6T-10300-FA

Ford Fiesta MK7 Alternator 14V 120 AMP 1.0 Petrol 5 Speed Manual CV6T-10300-FA

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7790879

MINI Cooper D One R50 Alternator Generator 7790879

€85.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 95560301601

Porsche Cayenne 9PA Alternator Generator 3.2 V6 Petrol 95560301601

€332.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2077261

Ford Fiesta Mk8 Alternator Generator 120A 14V Petrol H1BT-10300-EC

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06D903016

Audi A4 S4 8H A6 S6 4B Alternator Generator 14V 150A 2.0 Petrol BWE 06D903016

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04E903021M

Skoda Rapid NH1 1.4 TSI Petrol Alternator Generator Bosch 04E903021M

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1940809

Ford B-Max Alternator Generator 14V 150A 1.0 GTDI EcoBoost CV6T-10300-BC

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2T1U-10300-CG

Ford Transit Connect Focus Mk1 Engine Alternator Generator 110A 2T1U-10300-CG

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1321540001

Smart Fortwo 451 Alternator Generator 90A M132 Petrol Engine A1321540001

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06E903016N-1

Audi A4 B8 A5 8T Alternator Generator 140A 14V 3.2 FSI Petrol Engine 06E903016N

€94.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8627124

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

€189.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06J903023D

Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2265722

Ford Fiesta Mk7 Focus Mk3 Alternator Generator 14V 120A 1.6 Petrol AV6N-10300-HA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8645329

BMW F20 F21 F30 F31 LCI Alternator Generator 14V 180A 8645329

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7616120

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

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0009069905

Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703

€161.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A0009063822

Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

€94.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. YLE500200

Land Rover Discovery 3 L319 Alternator 150A 2.7 TDV6 YLE500200

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. DAN989

Range Rover L322 Alternator Generator 14V 150A 3.6 TDV8 Diesel Denso DAN989

€94.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8579420

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

Product currently unavailable

Part no. 7802261

BMW E60 E61 E81 E87 E90 Alternator Generator Valeo 180A N47 7802261

Product currently unavailable

Part no. 7575650

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

Product currently unavailable

Part no. 7807187

BMW F10 F11 X5 E70 Alternator Generator Unit Valeo 230A Diesel Engine 7807187

Product currently unavailable

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