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 X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9259468

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1636880035-1

Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2S6T-14A073-AC

Ford Transit Connect Fuse Box Power Distribution Junction Relay 2S6T-14A073-AC

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045403850

Mercedes W204 SAM Fuse Prefuse Box Relay Control Unit A2045403850

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. DH52-14A076-CA

Land Rover Freelander 2 L359 Fuse Box Relay Cover Cap DH52-14A076-CA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. GK3T14401EWB

Ford Transit Mk8 VI Fuse Relay Box Unit 2.0 Diesel Engine GK3T14401EWB

€66.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2469005312

Mercedes X117 X156 W246 Relay Control Unit Module A2469005312

€75.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8W0937124A

Audi A4 B9 A5 F5 Q5 FY Fuse Box Control Module Relay Box 8W0937124A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. CK52-14A073-AC-1

Range Rover L405 Fuse Relay Box Housing Diesel CK52-14A073-AC

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. DW93-14A076-AA

Range Rover Evoque L538 Fuse Relay Box Battery Terminal DW93-14A076-AA

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A9065460643-1

Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009050338

Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050338

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9360372

BMW X6 F16 Fuse Box Power Distribution Relay Control Unit Box Rear 9360372

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A9075401805

Mercedes Sprinter W907 Battery Terminal Unit Connection Box A9075401805

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. GK2T14B144GA

Ford Transit Mk8 VI Fuse Box Module Positive Battery Terminal GK2T-14B144-GA

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8509914

BMW F20 F21 F22 F23 F30 F31 F32 F33 F34 F36 Cover Electronics Box 8509914

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7L0937559

Porsche Cayenne 955 9PA Audi Q7 4L VW Touareg 7L Fuse Box Relay Module 7L0937559

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4G0937517B

Audi A7 4G Power Distribution Box Control Unit 4G0937517B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8J0937503

Audi TTS 8J Fuse Relay Box Bracket Mount Frame 8J0937503

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9270356-1

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2075400740

Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2045400150

Mercedes-Benz C E Class W204 W207 Fuse Distribution Box Interior A2045400150

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9383176

BMW F20 F30 F34 BCM FEM BSI Body Control Module Unit 9383176

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2129009908

Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009908

€127.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1665402950

Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950

€132.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0535450226

Mercedes Sprinter W906 Fuse Box Connector Plug Socket A0535450226

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2215402462

Mercedes W221 SAM Fuse Box Comfort Control Module Unit ECU A2215402462

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BK2T-14A175-BA

Ford Transit Custom Fuse Box Power Distribution Cover Trim Panel BK2T-14A175-BA

€28.95

Free delivery: Aug 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: Aug 10 – 11

If paid before 14:00

Part no. 4F0971981A

Audi A6 C6 Fuse Box Holder Cover Cap Lid 2.0 TFSI 4F0971981A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 90589541

Vauxhall Opel Astra G Fuse Box Covering Trim Panel Lid Housing 90589541

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9224866

BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9389070-1

BMW F36 Fuse Box Control REM Electric Power Distribution 9389070

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. R8D2-14N030-AB

Range Rover Evoque L551 Fusebox Fuse Relay Box Unit R8D2-14N030-AB

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7P0937548F

Porsche Cayenne 92A Battery Distribution Fuse Box Relay Module 7P0937548F

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BK3V-14517-CE

Ford Transit Mk8 Fuse Relay Box Control Unit Module BK3V14517CE

€66.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6R8T-14A094-AA

Ford Transit Mk8 Battery Fuse Box Fusebox 400 AMP MEGA Fuse AJ126 6R8T-14A094-AA

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A6395480174

Mercedes-Benz Vito W639 Fuse Box Cooling Outlet Pipe Air Duct A6395480174

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 420941824

Audi R8 42 Spyder Fuse Box Battery Terminal Cover Housing Clamp 420941824

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6937668

BMW X5 Series E53 Fuse Box Label Trim Cover Panel Sticker 6937668

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1635400382

Mercedes ML W163 Fuse Relay Box ECU Cover Trim A1635400382

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4G0937517

Audi A6 C7 Fuse Battery Junction Box Fuse Distribution Terminal Centre 4G0937517

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. HPLA-14A073-FC

Range Rover Sport L494 Fuse Box Control Unit HPLA-14A073-FC

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6G9T-14A076-JC

Land Rover Freelander 2 L359 Fuse Box Cover Lid Panel Trim 6G9T-14A076-JC

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6819651

BMW X5 F15 Rear Fuse Box Distribution Relay Module Control ECU Unit 6819651

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. CPLA-14Q073-AA-1

Range Rover L405 Fuse Box Control Module CPLA-14Q073-AA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 919504H071

Hyundai H-1 Fuse Box Module Control Unit ECU 919504H071

€66.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8X0971845C

Audi A1 8X Fuse Box Relay Control Unit Module Bracket Holder 8X0971845C

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BK2T-14A175-AA

Ford Transit Mk8 Engine Bay Fuse Box Unit Wiring Loom Harness BK2T-14A175-AA

€123.95

Free delivery: Aug 7 – 11

If paid before 14:00

Part no. A0009820512

Energy Distributor Mercedes W177 W212 Power Control Unit Module A0009820512

€23.95

Free delivery: Aug 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: Aug 10 – 11

If paid before 14:00

Part no. BJ32-06040-A

Land Rover Discovery Sport L550 Fuse Box Trim Cover BJ32-06040-A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6933410

BMW E85 Fuses Electrical Fuse Set 6933410

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4F0971845A-2

Audi A6 C6 Comfort Body Module Fuse Relay Box Control Unit 4F0971845A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9383681-1

Mini F55 Fuse Box Front Body Control Module ECU BCM Unit 13275881

€113.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2475451101

Mercedes C118 W177 C247 Fuse Box Module Cover Cap Trim Housing M282 A2475451101

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2139065706-1

Fuse Box Mercedes W205 W213 Front Engine Compatment Relay Module A2139065706

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9240946

MINI R55 R56 R57 LCI R60 R61 Cover Power Distribution Fuse Box 9240946

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6906598

Mini Cooper One R50 R52 R53 JCW Fuse Relay Electrical Box Housing 6906598

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BK2V-14A073-AA

Ford Transit Mk8 Fuse Box Relay Control Module 2.0 EcoBlue BK2V-14A073-AA

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A4535400050

Smart Fortwo W453 Fuse Module Relay Box Module A4535400050

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6C1T-14A076-A

Ford Transit Fuse Box Cover Electrical Unit Housing Lid Trim Cap 6C1T-14A076-A

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A4479060400

Mercedes W447 Fuse Relay Box Module Control Unit A4479060400

€61.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 46860639

Peugeot Boxer Fuse Box Cover Lid Trim 46860639

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1729060105

Mercedes SLK R172 Rear Fuse Box SAM Relay Control Unit Module A1729060105

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7M5T-14A073-DB

Ford Focus Mk2 Body Control Module BCM Fuse Box Unit 7M5T-14A073-DB

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2215402350-1

Mercedes W221 W216 Fuse Box Junction Control Unit Relay Module A2215402350

€28.95

Free delivery: Aug 7 – 11

If paid before 14:00

Part no. A2059067200-1

Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4F1937545

Audi R8 42 Fuse Box Electrical Connector Relay Control Unit Module 4F1937545

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BJ32-14A481-BA

Land Rover Discovery Sport L550 2.0 Diesel Fuse Box BJ32-14A481-BA

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7555166

BMW F01 F02 F03 F04 ECU Bracket Engine Module Box Housing Holder Mount 7555166

€66.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. YQS500170

Range Rover L322 Fuse Box Cover Lid Panel YQS500170

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6R0915441

Seat Ibiza 6j Fuse Box Cover End Cap Lid Top Covering Panel 6R0915441

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2049060405

Mercedes W204 Front Fuse Board Box Relay Unit Case A2049060405

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6R0937548C-1

Skoda Fabia 5j Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6G9T-14A481-AA

Land Rover Discovery Sport L550 Fuse Box Module Control Unit 50EH199762ST3

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4K0941828F

Audi A6 C8 Q5 Mk2 Battery Flat Fuses Fuse Box Panel 4K0941828F

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7N0937503

Audi Q3 8U Skoda Yeti VW Caddy Mk2 Tiguan 7L Fuse Relay Box Housing 7N0937503

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. K8D2-14M726-AC

Range Rover Evoque L551 Battery Distributrion Terminal Harness K8D2-14M726-AC

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2475457300

Mercedes W177 Fuse Box Relay Cover Lid Control Unit Bracket Trim A2475457300

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 827300D040

Toyota Yaris Mk1 Fuse Relay Box Control Unit Module 827300D040

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2055400182

Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A9075409682

Mercedes Sprinter W907 W910 Fuse Box Relay Box Fuse Box Module A9075409682

€85.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8509722-2

Control Unit Box BMW F20 F21 F22 F30 F31 Cover Panel Protection 8509722

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2059067200

Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2055463100

Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8715719

BMW G20 320i Fuse Relay Box Control Unit Rear Power Distribution 8715719

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0025451301

Mercedes W169 W245 W907 W910 Fuse Box Carrier A0025451301

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 3C0937548

Volkswagen Passat CC Rear Tailgate Fuse Box Power Distribution 3C0937548

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. M8A2-14516-BC

Land Rover Range Rover Velar L560 Fuse Relay Box Fusebox M8A2-14516-BC

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8795477

BMW G20 Power Distribution Box LIN Module Control Unit ECU 8795477

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0937125B

Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9270356-3

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9257426

Fuse Box Grouping BMW F10 F11 Fuse Placement Map Card Diagram 9257426

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2205400382

Mercedes CL S Class C215 W220 Fuse Box Unit Front Right O/S Cover A2205400382

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. M8D2-14N030-AA

Range Rover Evoque L551 Rear Fuse Box Relay Control Unit Module M8D2-14N030-AA

€61.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 3M5T-14A076-AC

Ford Focus Mk2 Under Hood Bonnet Fuse Box Cover Lid Trim Panel 3M5T-14A076-AC

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9238195

Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7555188

BMW 5 6 Series F10 F11 F12 F13 Control Unit Box Cover 7555155

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

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