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

€61.95

Part no. 06E903016D

Audi A6 C6 Alternator Generator Unit 2.0 TFSI Petrol Engine 06E903016D

€42.95

Part no. DAN1110

Range Rover Sport L405 Alternator 4.4 SDV8 Diesel Denso DAN1110

€132.95

Part no. A6512012009

Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009

€23.95

Part no. DAN1328

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

€85.95

Part no. 2706028110

Toyota RAV4 Mk2 Alternator Generator Denso 12V 90A 27060-28110

€66.95

Part no. 7606628

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

€75.95

Part no. 7640132-4

BMW F20 F30 Mini F56 Alternator Generator 150A Denso 7640131

€28.95

Part no. 06K903015B

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

€85.95

Part no. 52182437

Fiat Ducato Mk3 Alternator Generator 2.2 Diesel Engine 52182437

€289.95

Part no. 2545291-1

2545291

€89.95

Part no. 2354130

BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130

€23.95

Part no. 2073237

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

€89.95

Part no. A0009062822-2

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

€161.95

Part no. 7605061-2

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

€66.95

Part no. 06L903018G

Audi A4 B9 Alternator Generator 14V 230A Valeo 2.0 Petrol DMSB 06L903018G

€80.95

Part no. A0131547002-1

Alternator Generator Mercedes W211 CLS C219 OM642 Diesel 14V 180A A0131547002

€75.95

Part no. 04L903018A

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

€123.95

Part no. 2522569

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

€85.95

Part no. 7852129

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

€189.95

Part no. 6956939-1

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

€47.95

Part no. 7541779

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

€23.95

Part no. 8634166

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

€189.95

Part no. A0111549102

Mercedes W163 W203 C209 W2011 W220 Alternator Generator 14V 120A A0111549102

€56.95

Part no. A4539063900

Smart C453 Alternator Generator 90A A4539063900 281920

€123.95

Part no. 06H903018E

Porsche Macan 95B Alternator Generator 14V 180A 2.0 TFSI 06H903018E

€132.95

Part no. 2321615

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

€75.95

Part no. 03L903023M

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

€51.95

Part no. 7640132-1

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

€32.95

Part no. 8200881264

Alternator Support Nissan Qashqai Renault 2.0 dCi Engine Bracket 8200881264

€23.95

Part no. 8570676-1

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

€56.95

Part no. 06H903018J-1

Audi A4 B8 A5 8T Q5 8R Alternator Generator Motor Petrol 06H903018J

€37.95

Part no. 7542934-1

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

€89.95

Part no. 03L903023L-1

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

€32.95

Part no. 5A504F9

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

€237.95

Part no. 2248296

BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296

€56.95

Part no. 03G903016N

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

€56.95

Part no. 7646814-1

BMW F10 F20 F30 LCI Alternator Generator Unit Diesel B47 7646814

€66.95

Part no. 04L903017D

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

€70.95

Part no. 2451723

Ford Transit Mk8 Alternator Generator Unit 14V 2.0 Diesel Engine GK2T-10300-AF

€170.95

Part no. 7616119

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

€51.95

Part no. 2260730-1

Ford Transit Connect Alternator Module Unit Actuator 1.5 Diesel AV6N-10300-GE

€42.95

Part no. 06E903018L

Audi A4 S4 8K A5 S5 8F 8T Q5 8R Engine Alternator 3.0 TFSI 14V 180A 06E903018L

€51.95

Part no. AH2210300AB

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

€94.95

Part no. 9185534

BMW E81 E82 E87 E88 F20 Radio Player Navigation Head Unit Control Module 9185534

€256.95

Part no. A0009060803

Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803

€118.95

Part no. CC1T10300BB

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

€66.95

Part no. A6261500075

Mercedes W205 Alternator Protective Cover Metal Sheet A6261500075

€23.95

Part no. 06B903016AB

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

€42.95

Part no. 1684865

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

€85.95

Part no. 04C903023K

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

€28.95

Part no. A1725403405

Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405

€23.95

Part no. 7336450

BMW F07 GT LCI Trunk Boot Lid Emblem Logo BMW Badge Cap Trim Cover 7336450

€23.95

Part no. 03C903025DX

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

€23.95

Part no. 2260730

Ford Transit Connect Fiesta Mk7 Focus Mk3 Alternator 1.5 Diesel AV6N-10300-GE

€42.95

Part no. 06F903023HX

Volkswagen Golf Mk5 2.0 TFSI Petrol Alternator Generator 06F903023HX

€32.95

Part no. 8634124

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

€47.95

Part no. 2099471

Ford Kuga C394 Generator Alternator 150A 2.5 Petrol 6M5T-10300-SA 2099471

€85.95

Part no. CC1T-10300-CD

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

€89.95

Part no. LR028116

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

€142.95

Part no. 6C1T-10300-BD

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

€75.95

Part no. 270600Y030

Toyota Yaris P9 Alternator 1.3 VVT-i 100HP Petrol Generator Module 270600Y030

€56.95

Part no. 7639661

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

€42.95

Part no. 06J903023G

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

€42.95

Part no. 6R0971349AM

Volkswagen Polo Mk5 V 6R Battery Cable Alternator Starter 6R0971349AM

€28.95

Part no. 8509226

BMW F31 Diesel Engine Alternator Generator 220A Valeo N57D30A 8509226

€94.95

Part no. 8594487

BMW F45 Mini F56 Positive Battery Alternator Starter Cable Wiring 8594487

€23.95

Part no. 06E903018J

Audi A5 S5 8T Engine Alternator Generator Unit 3.0 TFSI QUATTRO 06E903018J

€56.95

Part no. 03L903143K

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

€23.95

Part no. 7605478

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

€37.95

Part no. 2371741

Mini F55 F56 Battery Cable Positive Battery Alternator Starter Wiring 2371741

€23.95

Part no. 7808074-1

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

€85.95

Part no. CV6T-10300-FA

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

€23.95

Part no. 6G9N10300YC

Land Rover Freelander 2 L359 2.2 Engine Alternator Generator 6G9N10300YC

€37.95

Part no. 95560301601

Porsche Cayenne 9PA Alternator Generator 3.2 V6 Petrol 95560301601

€332.95

Part no. 2077261

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

€28.95

Part no. 04E903021M

Skoda Rapid NH1 1.4 TSI Petrol Alternator Generator Bosch 04E903021M

€37.95

Part no. 1940809

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

€37.95

Part no. 06E903016N-1

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

€94.95

Part no. 06J903023A-2

Audi A3 8V VW Golf Mk7 Alternator Generator 14V 140A 2.0 TFSI 06J903023A

€66.95

Part no. 8627124

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

€189.95

Part no. 06J903023D

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

€56.95

Part no. 03L903024A

Volkswagen VW Crafter 2E Alternator Generator Diesel Engine 110A 03L903024A

€56.95

Part no. 2265722

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

€23.95

Part no. 7807187-1

BMW F01 E70 Alternator Generator 180A 14V Unit Elstock 28-6744 Diesel 7807187

€108.95

Part no. 8645329

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

€32.95

Part no. 2389829

Ford Ranger Wildtrak Mk6 Alternator Generator 220AMP 2.0 EcoBlue Diesel 2389829

€42.95

Part no. 270600T010

Toyota Auris E15 Corolla E12 Yaris Verso Alternator 90A 12V 270600T010

€66.95

Part no. A0009069905

Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703

€161.95

Part no. A0009063822

Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822

€94.95

Part no. 8645325-1

BMW F20 F30 F32 F33 F34 B38 B48 Petrol Engine Alternator Generator 180A 8645325

€37.95

Part no. DAN989

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

€94.95

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

Part no. A0009060401

Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401

Product currently unavailable

Part no. A0009063322

Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322

Product currently unavailable

Part no. 8578609

BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609

Product currently unavailable

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