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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Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129009522

Mercedes W212 Fuse Box Relay Rear SAM Control Unit Module A2129009522

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2035450301

Mercedes-Benz C CLK Class W203 W209 Battery Terminal Fuse Box A2035450301

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BT1T-14A076-AA

Ford Transit Connect Mk1 Connect Under Bonnet Fusebox Cover Lid BT1T-14A076-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8C1T-14A073-BE

Ford Transit Mk7 Body Control Module BCM 2.2 TDCi 8C1T-14A073-BE

€123.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4L1937503

Audi Q7 4L Fuse Relay Box Module Electrical Control Unit 4L1937503

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK2T-14401-FHE

Ford Transit Connect Fuse Relay Box Panel 1.5 EcoBlue Diesel BK2T-14401-FHE

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3449504-1

Mini R55 R56 Fuse Box Electrical System Distribution Box 3449504

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9076830400

Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK2T14B144BA

Ford Transit Custom MK8 2.2 TDCI Fuse Relay Box Unit Module BK2T14B144BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9T1T-14A067-A

Ford Transit Connect Mk1 Automotive Electrical Fuse Link 9T1T-14K733BDF

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH42-14N030-AE

Land Rover Range Rover L322 Rear Fuse Relay Box AH42-14N030-AE

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0941828

Audi A4 B9 A5 F5 Fuse Box Battery Terminal Housing 3.0 TDI 8W0941828

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0009050038

Mercedes W212 Multi-Purpose Windscreen Camera Control Unit Module A0009050038

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C1T-14A076-AD

Ford Transit Mk7 Fuse Box Housing Lid Cover Trim 6C1T-14A076-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK2T-9K499-ABB

Ford Transit Custom Engine Fuse Box Wiring Loom Harness Cable GK2T9K499ABB

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GX73-14A067-AA

Jaguar XF X260 XE X760 Fuse Box Relay Control Unit GX73-14A067-AA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C1T14A067E

Ford Transit Mk7 Fuse Box Battery Terminal Unit Module 6C1T-14A067-E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0005459712

Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6G9T-14K131-DB

Range Rover Evoque L538 Fuse Relay Box Module 2.2 Diesel 6G9T-14K131-DB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1665460143

Mercedes ML W166 Fuse Box Electric Distribution Control Module A1665460143

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129000204

Mercedes W212 Fuse Box Control Unit SAM Module Relay A2129000204

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LJE2850AA

Jaguar Xk8 X100 Mega Fuse Box Protection Module Shield Cover LJE2850AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1665400180

Mercedes W166 Fuse Box Relay Cover Shield Cap Trim A1665400180

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0045468540

Mercedes W221 Distributor Box Block Control Unit Relay A0045468540

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4F0915519-1

Audi TT TTS 8J Battery Overload Protection Control Unit 4F0915519

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2049060805-1

Mercedes S204 Estate Rear SAM Control Module Unit Fuse Box A2049060805

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3Q0937125C

Audi RS3 F3 RSQ3 F3 Fuse Box Housing Module Left N/S 2.5 TFSI 3Q0937125C

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1779069601-1

Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601

€123.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BS7T-14K131-BA

Range Rover Evoque L538 Fuse Relay Box Module 2.2 Diesel BS7T-14K131-BA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3c0937125

Volkswagen VW Passat B6 Fuse Box Relay Electrical Module Unit 3C0937125

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129060605

Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9252812

BMW F10 F11 F01 Fuse Box Power Distribution Junction Relay Rear 9252812

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8X0915459

Audi A1 8X Positive Battery Overload Protection 8X0915459

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2755704

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CX23-10724-AD

Jaguar Xf X250 Fusebox Support Bracket Mounting Panel Tray CX23-10724-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2468200035

Mercedes-Benz A-Class W176 Mikrophone Roof Control Module A2468200035

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1669063901

Mercedes ML W166 Relay Module Box Under Rear Right Seat F4 A1669063901

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0927165A

Volkswagen Golf R Mk7 Fuse Box Cover Housing Closing Element Bracket 5Q0927165A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 99661021101

Porsche Boxster 986 Fuse Box Relay Fuse Module Control Unit 99661021101

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2215450601

Mercedes W221 Dashboard Fuse Box Front Left N/S Control Module A2215450601

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C2Z4392

Jaguar XF X250 Fuse Holder Carrier Support Unit 3.0 Diesel 8X2T-14A067-EA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LJG2800BA

Jaguar XK8 X100 Fuse Box Control Unit Module Passenger Side N/S LJG2800BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK2T-14A075-AA

Ford Transit Custom Mk8 Fusebox Cover Upper Lid Trim BK2T-14A075-AA

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9663798180

Peugeot 308 T7 Fuse Box Body Control Module BSI BCM 9663798180

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129004001

Mercedes W212 Fuse Box Control Unit Module SAM Relay Electrical Unit A2129004001

€161.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BS7T-14K131-B

Land Rover Freelander 2 L359 Fuse Relay Box BS7T-14K131-B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BJ32-14A076-CA

Range Rover Evoque L538 Fuse Box Relay Lid Cover BJ32-14A076-CA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8781423

BMW F30 Fuse Box Front Body Control Module ECU BCM Unit 8781423

€237.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0907361A

Volkswagen Golf Mk7 Leon Mk3 Fuse Relay Box Lid Cover 5Q0907361A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1665459340

Mercedes W166 C292 Fuse Box Relay Control Unit Module A1665459340

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4F0937503

Audi A6 C6 R8 42 Dashboard Fuse Box Electrical Relay Unit 4F0937503

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KG9T-14D068-NA

Ford Mondeo Mk5 Fuse Box Control Unit Module KG9T-14D068-NA

€118.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. YQH500130

Land Rover Discovery 3 L319 Engine Compartment Fuse Panel Cover Lid YQH500130

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3C0937125-1

VW Passat B6 Sharan 7N Fuse Box Relay Electrical Module Unit 3C0937125

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2205400282

Mercedes CL S Class C215 W220 Fuse Box Unit Cover Front Left A2205400282

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0045450201-1

Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BJ32-14290-AGD

Range Rover Evoque L538 Fuse Box Relay Wire Harness BJ32-14290-AGD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CK52-14A073-CB

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9065420044

Mercedes W906 Bracket Mount Fuse Distribution Box A9065420044

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AX23-14290-AMB

Jaguar XF X250 Fuse Relay Box Unit 3.0 Petrol AJ6WG Automatic AX23-14290-AMB

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2229063302

Fuse Box Mercedes W205 W222 Engine Compartment SAM Module Relay Unit A2229063302

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C0937132C

Audi A1 S1 8X Fuse Box Relay Top Upper Cover Cap Flap 6C0937132C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FX23-14A005-CP

Jaguar XF X250 Relay Fuse Box FX23-14A005-CP

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. EJ32-14290-CGC

Range Rover Evoque L538 Engine Bay Fuse Box EJ32-14290-CGC LR046377

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8L0941822

Audi TT 8N VW VW Golf Mk4 Fuse Box Relay Central Control Unit Module 8L0941822

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4475450069-2

Mercedes Vito W447 Control Unit Fuse Box Compartment Mount A4475450069

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GH22-14F041-AA

Land Rover Discovery 4 L319 Junction Fuse Box 3.0 Diesel GH22-14F041-AA

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2129004901-1

Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129004901

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AV6T-14A067-BB

Ford C-Max Mk2 Fuse Box Battery Terminal Unit Module AV6T-14A067-BB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK3T-9K499-FBB

Ford Transit Mk8 Engine Bay Under Bonnet Fuse Box Control Unit GK3T-9K499-FBB

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6819652

Map Fuse Box BMW F15 F16 F85 F86 Grouping Diagram Card 6819652

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. YQE000380

Land Rover Freelander L314 Engine Fuse Box Electrical Relay Box Unit YQE000380

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2075402950

Mercedes W204 Power Distribiuton Battery Fuse Box Control Unit ECU A2075402950

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2215401101

Mercedes W221 Fuse Box Control Unit SAM Module Relay Controller A2215401101

€142.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C1BT-14A005-BNK

Ford Fiesta Mk7 Fuse Box Control Module Unit C1BT-14A005-BNK

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0937503B

Audi A4 B9 A5 F5 A6 C8 Fuse Relay Box Power Distribution 8W0937503B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8387551

BMW 3 Series E46 Battery Positive Cable Fuse Box Base B 8387551

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6385450319

Mercedes W639 W638 W906 Fuse Box Unit Holder Bracket Frame A6385450319

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C1T14A067AB-1

Ford Transit Mk7 Fuse Box Relay With Bracket Holder 2.2 Diesel 6C1T-14C445-AB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0907334

Audi A6 C8 A7 C8 Fuse Box Power Distribution Unit Module Control 4K0907334

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LJG2822AC

Jaguar XK8 X100 Fuse Box Engine Bay Fusebox 4.2 Petrol AJ8FT LJG-2822-AC

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A0045467540

Mercedes W204 W221 Distributor Box Block Control Unit Relay A0045467540

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2059068501-1

Fuse Box Mercedes W205 S205 W213 Fuse Box Front Relay Control Module A2059068501

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9259469

BMW X3 F25 Fuse Box Power Distribution Control Unit Module Rear 9259469

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1454407

Ford Ranger Mk4 Additional Fuse Box Cover Lid Top Housing 6M34-14A076-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9259468

BMW X3 F25 Fuse Box Power Distribution Control Unit Box Rear 9259468

€37.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 2S6T-14A073-AC

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2045403850

Mercedes W204 SAM Fuse Prefuse Box Relay Control Unit A2045403850

€47.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. A2515450940

Mercedes W251 Fuse Box SAM Module Unit Bracket Carrier Holder A2515450940

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2469005312

Mercedes X117 X156 W246 Relay Control Unit Module A2469005312

€75.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7L0937503-2

Porsche Cayenne 92A Fuse Box Relay Control Unit Module 7L0937503

€42.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. A9065460643-1

Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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