Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. A2218704192
Mercedes W221 Air Condition Climate Control Module Unit A2218704192
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 3456601-1
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456601
€265.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2045451047
Control Unit Bracket Mercedes W204 W212 Audio Module Holder Mount A2045451047
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 7610011-3
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key 7610011 Manual
€398.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 1K0959654
Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 1K0959654
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 1472984-2
Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7550975
BMW 1 3 Series E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2215408045
TPM Module Mercedes W221 S500 C216 Tire Pressure System Module RDK A2215408045
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8385164-2
BMW 7 Series 2 E65 E66 Battery B Engine Compartment Terminal Point 8385164
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 1K0951253A
VW Audi Seat Skoda Glow Plug Relay Unit Engine Supply Black 4 Pins 1K0951253A
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8578945-4
BMW F20 F21 F30 116d 316d N47N 116HP ECU Engine Contol Unit DDE 8578945 Manual
Promo price
€66.95
€40.17
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8T0959792K
Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792K
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9286249
BMW 3 Series F30 F31 Rear Door Wiring Loom Cable Harness 9286249
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9261599
BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Estoril Blue 2
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8507202
BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual
Promo price
€61.95
€37.17
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A2129060605-1
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
€85.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2229009915
Keyless Module Mercedes W205 W213 ECU Door Lock Control Unit A2229009915
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. A2661534079
Mercedes W169 A170 266.940 116HP Engine Control Unit ECU A2661534079 Automatic
Promo price
€113.95
€68.37
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9187541-2
BMW E93 ECU Body Control Module H3 Junction Box 9187541
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9224177
BMW F10 F11 F12 F13 F15 F16 Airbag Sensor Module B-pillar Crash Sensor 9224177
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1715403932
Mercedes SLK R171 Rear Bumper PDC Wiring Loom Parking Sensor Cable A1715403932
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 6997612
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 6997612
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 1K0906093F
Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2469004512
Mercedes-Benz A M Class W166 W176 Parking Brake Control Unit Module ECU
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A6541400155
Mercedes-Benz W213 Genuine Gas Filter Pressure Line Sensor Dpf A6541400155
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 4H0959793R
Audi A8 D4 4H Front Door Control Module Unit ECU Driver's Side 4H0959793R
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8474730
BMW F20 F21 F30 F31 LCI 120d 320d Diesel B47 190HP ECU DDE 8474730 Automatic
Promo price
€341.95
€290.66
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9643218980
Peugeot 206 1.6 NFU TU5JP4 109HP Engine Control Unit ECU 9643218980 Manual
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 3421562
Engine Wiring Harness BMW X3 E83 2.0i N46 Wiring Loom Manual Gearbox 3421562
Promo price
€47.95
€40.76
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9240490
Battery Distribution Box BMW F01 F02 F10 F11 Power B+ Rear 9240490
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 3450847
BMW X3 E83 LCI Cable Loom Door Passenger Side Wiring Harness 3450838
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 3455304
Mini R57 Cabrio DWA Door Alarm Theft Deterrent System Unit 3455304
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 03L906022NN
Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU Module 03L906022NN
€113.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8T0959795H
Audi A4 B8 Door Control Module Unit ECU Rear Left Right N/O/S 8T0959795H
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8585729
BMW 3 Series F30 320d N47N Engine Gearbox Module Wiring Loom Harness Cables Set
Promo price
€56.95
€34.17
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7L0937576B
Audi Q7 4L Fuse Box Trim Cover Panel Electrical Unit Housing 7L0937576B
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. V23134-J59-X431
Mazda 6 GJ TYCO Relay Black Unit Module 4 Pin 12V V23134-J59-X431
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9322122-1
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0005465402
Mercedes C117 W176 W246 Positive Battery Terminal Cover Cap Trim Red A0005465402
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 6919113-1
BMW E81 E82 E87 E88 E90 E91 E92 E93 F10 F11 F12 Black Relays 5 Pin Set 6919113
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1695403905
Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Rear Left Right
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 02M911024P
Audi A3 8P 2.0 TDI CBBB Diesel Starter Motor 02M911024P
€32.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 8519663-10
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual
€47.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9123042-1
Steering Column Switch BMW E87 E81 E91 Cluster Cruise Control Stalk 9123042
€113.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7P0907652
Yaw Sensor Audi Q7 4L Rotation Rate Unit Module 7P0907652
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 5Q0915181E
Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181E
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9229873
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9229873
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 4L0035225AJ
Audi Q7 4L Radio Aerial Antenna Amplifier AM/FM 4L0035225AJ
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A6519065700
Mercedes W907 314 CDI Engine Alternator Generator Valeo A6519065700
Promo price
€161.95
€137.66
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2048700185
Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185
Promo price
€99.95
€84.96
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 9337233
BMW F32 F33 F82 F83 M4 Door Wiring Front Harness Loom Cable 9337233
€32.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9210860
BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9123605
BMW X5 Series E70 Cable Glove Compartment Wiring Loom Harness 9123605
Promo price
€33.95
€28.86
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2469008813
Module Mercedes W176 A45 AMG M133 4matic All Wheel Drive Control A2469008813
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2465410005
Mercedes W176 W246 Battery Cover Fuse Box Trim Panel Lid A2465410005
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 8379766
BMW E65 E90 E91 E92 E93 Auto Boot Release Switch Tailgate 8379766
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 4F0959655B
Audi A6 C6 Air Module Control Unit ECU Module 4F0959655B
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8577764-1
BMW F10 F11 520d Diesel N47N 184HP ECU Kit DDE 8577764 + Key + CAS4 Automatic
Promo price
€379.95
€227.97
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 4L0959793B
Audi Q7 4L Front Door Module Driver Right O/S Side Control Unit 4L0959793B
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A6681530979
Mercedes W168 A 160 CDI OM668 Engine Control Module A6681530979
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 6C1T-14A076-CC
Ford Transit Mk7 Fuse Box Upper Cover Unit Housing Lid Trim Cap 6C1T-14A076-CC
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9138969
BMW E60 LCI E61 LCI Electronic Driver Circuit Centre Console 9138969
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A6421509777-1
Mercedes W221 S320 CDI 232HP Engine Control Module ECU Set A6421509777 Automatic
€265.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 7L0959655A
VW Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655A
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. A6519007600-5
Mercedes W176 A180 CDI OM651.901 109HP Engine Unit ECU Kit A6519007600 Automatic
€208.95
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 7534704
Mini Cooper One R50 R52 Kabel Generator Starter Anlasser BOSCH 7534704
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9330952
BMW F13 F12 Air Control Module Control Unit ACSM4 9330952
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 4H0907637K
Audi A8L 4H Yaw Rate Domain Control Module Unit ECU 4H0907637K
Promo price
€222.95
€133.77
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A1648205685
Air Module Mercedes ML W164 W251 SRS Control Unit ECU A1648205685
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9351155
Control Panel BMW X3 F25 X4 F26 Radio Player High Audio Unit Module 9208591
Promo price
€56.95
€48.41
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8510281
Engine Wiring BMW F30 F31 F32 F36 330d 430d N57N Loom Harness Cable 8510281
Promo price
€132.95
€113.01
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9267511
BMW X5 E70 Body Control Module Main Primary ECU Unit JBBFEIII R LP 9267511
Promo price
€165.95
€99.57
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9382516
PDC Module BMW F15 F16 F25 Mini F55 F56 Parking Assistant Control Unit 9382516
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 1472984-3
Mini R50 R52 R53 R55 R56 R57 R58 R59 R60 5-Pin Black Relay Wiper Set 1472984
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A1185402504
Mercedes C118 Door Harness Rear Left N/S Door Wiring Loom A1185402504
Promo price
€37.95
€32.26
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 4F0959793E
VW Volkswagen Tiguan 5N Front Right O/S Door ECU Module Control Unit 4F0959793E
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2105400230
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105400230
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 8W0971687BR
Audi A4 B9 Rear Right O/S Door Wiring Loom Harness 8W0971687BR
Promo price
€56.95
€48.41
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A0035420219-1
Relay Mercedes W639 W906 5-Pin Black 12V 20A A0035420219 Set X2
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9145401
BMW 5 Series E60 E60N E61 E61N LCI Airbag ECU Control Unit Module
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 6CIT-10300-BC
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6CIT-10300-BC
Promo price
€80.95
€68.81
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 3C0907376A
Volkswagen VW Golf Scirocco Mk3 Electric Damping Control Module 3C0907376A
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 4M0941823E
Audi Q7 4M Positive Battery Terminal Distribution Box 4M0941823E
€66.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 6P0907159
Seat Ibiza 6J Cupra Sound Control Module ECU Unit 6P0907159
€51.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 5WA919275B-KYG
Audi A3 S3 8Y PDC Parking Distance Sensor 5WA919275C Kyalami Green - Z6A
€28.95
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 3D0035465
VW Volkswagen Phaeton Mk1 Mulitmedia Audio Sound System Amplifier Unit 3D0035465
€23.95
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 9262871
BMW F01 Front Door Wiring Loom Cable Harness 9262871
Promo price
€32.95
€28.01
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9121903
BMW E81 E87 E91 Switch Cluster Steering Column Cruise Control 9121903
Promo price
€170.95
€102.57
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9167202
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167202
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 8577839-1
BMW F32 F33 430d N57N 258HP Engine ECU DDE Kit 8577839 FEM + Key Automatic
Promo price
€189.95
€113.97
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. 9229847
BMW E70 Door Wiring Front Passenger Door Loom Cables Harness 9229847
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
Part no. 6967184
BMW X5 X6 Series E70 E71 Positive Battery Cable Terminal Box Base B+ 6967184
€28.95
Free delivery - Fri, Jan 02
If paid before 14:00
-40%
Part no. 9230944
Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9230944
Promo price
€79.95
€47.97
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A2135452040
Mercedes W213 Head Unit Bracket Control Unit Module Holder Mount A2135452040
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A0009005517
Mercedes W177 W205 W238 W257 Gearbox Control Unit Module ECU A0009005517
Promo price
€113.95
€96.86
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2661501233
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
Promo price
€56.95
€48.41
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. A2229001306
Mercedes W910 Gearbox Module Transmission Basic Control Unit A2229001306
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
-5%
Part no. A0009008004
Parking Module Mercedes W207 W212 PDC Distance Control Unit ECU A0009008004
Promo price
€23.95
€22.75
Free delivery - Fri, Jan 02
If paid before 14:00
-15%
Part no. 3448466
Mini Cooper R55 R56 Control Unit Module Passive Go 3448466
Promo price
€28.95
€24.61
Free delivery - Fri, Jan 02
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. 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 , or others, 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 .