What is the construction and purpose of fuses and fuse boxes?

Fuses and fuse boxes are components of a car's electrical installation responsible for protection and power distribution to individual circuits. A typical fuse contains a fusible link with a specific current rating, and a fuse box has sockets, connectors, circuit descriptions, and often spaces for relays. These elements are mounted in the cabin, engine compartment, or trunk, depending on the vehicle version.

What are fuses and fuse boxes used for?

Fuses and fuse boxes are used to protect wires and power consumers from the effects of overloads and short circuits. Their task is also to organize electrical circuits, which facilitates diagnostics and replacement of a damaged element. Without efficient protection, a failure in one circuit can affect the operation of lights, radio, air conditioning, or control modules.

What is the construction and function of a car electrical relay?

A car electrical relay is a control element that uses a small current to switch a higher-load circuit on or off. It usually consists of a housing, a coil, working contacts, and terminals fitting into a socket in the box. The cooperation of the relay with the fuse box allows for proper power supply to systems such as fans, heating, or selected comfort modules.

How to choose the right fuse box for a car?

It is best to compare the OEM part number, interchangeable numbers, mounting location on the vehicle, and connector type. It is also worth checking the engine version, equipment, and any differences between pre-facelift and post-facelift models. For boxes integrated with relays, the completeness of the relay configuration and pin layout compatibility are also important.

What symptoms indicate a problem with a fuse or fuse box?

A typical symptom is the sudden failure of one device or a whole group of consumers, for example, lights, wipers, or the radio. In the case of a fuse box, there may be power interruptions, traces of overheating, corroded contacts, or loose sockets. Repeated fuse blowing usually means that you also need to check the installation and the component powered by the given circuit.

How to maintain fuses and fuse boxes after installation?

After installation, it is worth periodically checking the cleanliness of the housing, the condition of the cover, and the absence of moisture traces at the connectors. Do not replace a fuse with an element of a higher rating than specified by the manufacturer. It is also good practice to compare the circuit description with the actual car equipment after every major installation repair.

Fuses and fuse boxes

At Global Parts, we offer a wide selection of original used car parts, including fuses and fuse boxes for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our fuses and fuse boxes undergo quality control to ensure you receive a top-quality product.

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BMW 3 Z4 Series E46 E85 E86 Battery Positive Cable Fuse Box B Base 8387546

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2049060205-1

Mercedes C204 Rear SAM Module Fuse Box Relay Control Unit A2049060205

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129007104

Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104

€170.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2059007037

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2059007037

€66.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2139068701

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6900582

BMW 7 Series E65 E66 Fuse Board Power Distribution Box

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9210861

BMW F10 F11 Power Distribution Fuse Box Front 9210861 61149210861

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9315151

BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9315151

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2035450803-1

Mercedes CL203 W203 Battery Terminal Fuse Box Control Unit Module A2035450803

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BJ32-14F041-AG

Land Rover Evoque L538 Junction Fuse Box Control Module BJ32-14F041-AG

€99.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9270356

Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. YQE500420

Range Rover Sport L320 Fuse Box Control Module Unit YQE500420

€56.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2049060205

Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129008307

Mercedes W212 Fuse Box Control Unit Module SAM Relay Box A2129008307

€47.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1725400950

Mercedes SLK R172 Relay Fuse Box Control Unit A1725400950

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A0009822112

Energy Distributor Mercedes W205 W238 Power Control Unit Module A0009822112

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 5WA937615

Audi A3 S3 8Y Fuse Box Control Module Relay Box Electrical Unit 5WA937615

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6906606

Mini Cooper One R50 R52 R53 Fuse Box Electrical Unit Cover Cap Black 6906606

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 5Q0937615C-2

Seat Leon Mk3 5F Fuse Relay Box Module Electrical Control Unit 5Q0937615C

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 1J0906381B

Audi TT 8N Fuse Box Relay Control Unit Module 1J0906381B

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129060105

Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129060105

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9264924

BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2469066600

Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. AE8T-14A003-AA

Ford Fiesta Mk7 Fuse Box Cover Housing Lid Trim Cap Panel AE8T-14A003-AA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. FK72-5162-A

Land Rover Discovery L550 Cover Fuse Box Battery Trim Panel FK72-5162-A

€61.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8A0937530

Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2049006301-1

Mercedes W204 Rear SAM Module Fuse Box Control Unit A2049006301

€51.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9360501

Mini F54 F55 F56 F57 F60 Rear Electric Power Distribution Fuse Box 9360501

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2035454501

Mercedes W203 Fuse Box SAM Control Unit Module Relay A2035454501

€132.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1645400182

Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6957330

BMW E60 E61 E63 Power Distribution Electrical Fuse Box 6957330

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9350313

BMW F90 M5 G11 G30 Fuse Box Power Distribution Unit Front Right O/S 9350313

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 7L0937401B

Audi Q7 4L Power Distribution Box Control Unit Plus Housing Cover 7L0937401B

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9240945

Mini Cooper D R55 R56 R57 R60 LCI Electrical System Fuse Distribution Box

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2465402150

Mercedes-Benz A B Class W176 W246 Diesel Fuse Box Relay Unit A2465402150

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 7638477

Ignition Coil BMW E81 E87N LCI E90 E91 E92 F10 F11 Bosch 7638477

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 2755704-1

Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9316569

BMW X5 F15 Fuse Box Rear Relay Module Control Unit 9316569

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. AV6T-14A067-BC

Ford Focus Mk3 III Fuse Box Battery Terminal Unit Module AV6T-14A067-BC

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A6395400150

Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400150

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6911922

BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A0045450201

Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2465401850

Prefuse Box Mercedes W176 OM607 Fuse Relay Control Unit A2465401850

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A0009822723

Mercedes W205 Estate Fuse Relay Box Module Control A0009822723

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6837092

BMW G30 G12 Fuse Relay Box Rear Trunk Power Distribution B + Box Basis 6837092

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6C0907361E

Fuse Box Audi A1 Seat Ibiza Control Module Relay Box 6C0907361E

€75.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1645400350-1

Mercedes ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2125406250

Mercedes-Benz W212 SAM Fuse Prefuse Box Relay Control Unit A2125406250

€51.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6809051

BMW F20 LCI REM Rear Electronic Module Fuse Box Control 6809051

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2115457001

Mercedes C219 Fuse Box Control Unit SAM Module A2115457001

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6C0937615A

Skoda Fabia Mk3 Polo Mk5 Fuse Relay Box Control Module 6C0937615A

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129003922-1

Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. AV6T-14K131-AC-1

Ford Focus Mk3 Fuse Relay Box Board Housing 6626RFAPF

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. AB39-14A076-BF

Ford Ranger Mk6 Fuse Box Control Unit Housing Cover Trim Panel AB39-14A076-BF

€99.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A1669061202

Mercedes W221 Fuse Box Control Unit Module Relay A1669061202

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. M8A2-14A067-CA

Range Rover Velar L560 Fuse Box Cover Bracket Housing 6G9T-14A067-AB

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6900583-1

BMW 7 Series E65 E66 Cable Wire Power Distribution Box 6900583

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 2Q0937615A

Volkswagen Polo Mk6 Fuse Relay Box Power Supply Unit 2Q0937615A

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8734161

BMW G20 Power Distribution Rear Fuse Relay Box 330e B48X B48B20A 8734161

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. BK2T-14B144-BA

Ford Transit Mk8 Battery Fuse Box Holder Housing 2.2 TDCi Diesel BK2T-14B144-BA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 4H0941824

Audi A6 C8 Fuse Box Relay Plug Socket Fuse Unit Holder Bracket 4H0941824

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2515400524

Mercedes W251 Fuse Relay Electrical Box Housing Cover A2515400524

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9337881

BMW 1 3 4 F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear 9337881

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 2751445

Mini Cooper One R56 R55 R57 R58 LCi Retaining plate fuse box SPEG 2751445

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8Z0941824C

Audi A4 S4 8H A6 S6 4B Battery Terminal Fuse Box Power Control Unit 8Z0941824C

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 4M0010006J

Audi Q7 4M Fuse Box Battery Terminal Cover Housing 4M0010006J

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 7C0937517AL

VW Crafter SY Fuse Box Distribution Relay Module Housing Bracket 7C0937517AL

€132.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 7N0937311

Volkswagen Passat B7 Sharan 7N Electrical Fuse Relay Box 7N0937311

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8632554

Fuse Box Cover BMW X3 G01 X4 G02 Trim Panel Lid Housing Bracket 8632554

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. CB250-FUSE

Honda CB250 CB 250RS Fuse Box Electrical Unit Cable Wiring

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 1J0941365B

Audi A3 8l TT TTS 8N Fusebox Fuse Relay Box Cover Lid Top End Cap 1J0941365B

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9274023

BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9274023

€66.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 99661011100

Porsche 911 986 996 Fuse Relay Box Mounting Block 9603 Petrol 99661011100

€42.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 1480790

Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. N000000004325

Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. CPLA-14Q073-AA

Range Rover Discovery Sport L550 Fuse Box Control Module CPLA-14Q073-AA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9265835

Fuse Box Holder BMW X5 F15 X6 F16 Control Unit Module Bracket Carrier 9265835

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 1J0937550AB

Audi A3 8L VW Golf Mk4 Battery Fuse Box Terminal Cover Panel 1J0937550AB

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2465400340-2

Mercedes W176 Fuse Relay Box Control Unit A2465400340 A2465400140

€28.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 5Q0907361C-1

Seat Ibiza Mk4 Audi A3 8V TT FV Fuse Box Control Module Relay Box 5Q0907361C

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2139068701-1

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068701

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 7L5907160

Porsche Cayenne 9PA Relay Module 6 Pin 462 7L5907160

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. HPLA-14N030-AB

Land Rover Range Rover Mk4 L405 Rear Fuse Box Board 3.0 TDV6 HPLA-14N030-AB

€61.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129060005

Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129060005

€56.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. LR014265

Land Rover Discovery 4 L319 Fuse Box Fusebox Fuse Panel Cover LR014265

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. GK3T-9K499-FBC

Ford Transit Mk8 Engine Bay Fuse Box Wiring Loom Harness 2.0 GK3T-9K499-FBC

€123.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2035450301-1

Mercedes SLK R171 Battery Terminal Fuse Box Wiring Cable Adapter A2035450301

€37.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6846141

Mini F55 F56 F57 F60 Fuse Box Grouping Fuse Placement Map Card Diagram 6846141

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8387541

BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2135403839

Mercedes W213 C238 Power Relay Fuse Box Unit Cover A2135403839

€56.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. HJ32-14K016-BA

Land Rover Discovery Sport L550 Storage Fuse Box Schema Cover Cap HJ32-14K016-BA

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6G9T-14C507-AB

Ford Galaxy Mk2 Fuse Box Lid Cover Panel Housing 6G9T-14C507-AB

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 9252813

BMW 5 7 Series F01 F02 F10 F11 Power Distribution Fuse Box Rear 9252813

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2135400414

Mercedes W213 C238 Fuse Box Relay Control Unit Module A2135400414

€56.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 6G9T-14C507-BB

Ford Galaxy Mk2 Fuse Box Lid Cover Panel Housing 6G9T-14C507-BB

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 8736251

BMW X4M F98 X4 G02 X3 G01 Rear Fuse Box Power Distribution Fuse Box 8736251

€66.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. A2129005101

Fuse Box Mercedes W212 Rear SAM Relay Fuse Box Control Module A2129005101

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. 7E0937545A

Volkswagen Transporter T5 Main Fuse Socket Connector Housing Bracket 7E0937545A

€23.95

Free delivery: Sep 10 – 11

If paid before 14:00

Part no. E1BT-14K012-PDB

Ford Fiesta Mk7 Engine Fuse Box Control Unit Module E1BT-14K012-PDB

€32.95

Free delivery: Sep 10 – 11

If paid before 14:00

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