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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9360501-2

Distribution Fuse Box BMW F40 F48 Mini F56 Rear Electric Power Fuse Box 9360501

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6C0937132C

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

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0045468540

Mercedes W221 Distributor Box Block Control Unit Relay A0045468540

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9259469

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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2129000004

SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2215450801-1

Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215450801

£85.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9381105

BMW F20 Fuse Box Control Unit SAM Module Relay 9381105

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9367813

Mini F55 F56 Fuse Box Distribution Board Map Diagram Fuse Grouping 9367813

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2465451440

Mercedes W176 Fuse Relay Box Cover Cap Top Trim Lid A2465451440

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6846141

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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2059068501-1

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

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2049009701

Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2049009701

£379.95

Free delivery: Aug 13

If paid before 14:00

Part no. 8795477

BMW G20 Power Distribution Box LIN Module Control Unit ECU 8795477

£32.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9383176

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

£51.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9470044

BMW X3 G30 G01 Fuse Box Power Distribution Control Unit Module Front 9470044

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2115454401

Mercedes C219 Fuse Distribution Box Unit Moudle A2115454401

£104.95

Free delivery: Aug 13

If paid before 14:00

Part no. A9065451640

Mercedes-Benz Sprinter W906 Fuse Box Unit Holder Bracket Frame A9065451640

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2059068501

Mercedes W205 Fuse Box Rear Relay Electrical Control Unit Box A2059068501

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1665402350

Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1665402350

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2129007324

Mercedes SLK R171 Petrol M271 Fuse Box SAM Relay Control Module A2129007324

£70.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2135406100

Fuse Box Mercedes W205 Interior Equipment Fuse Box Control Module A2135406100

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0009827403

Mercedes W205 Energy Distributor Power Electrical Control Unit A0009827403

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A4479009808

Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM 4479009808

£189.95

Free delivery: Aug 14 – 21

If paid before 14:00

Part no. A2205400382

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

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2219067300

Mercedes-Benz S-Class W221 Fuse Box Control Unit Module SAM A2219067300

£189.95

Free delivery: Aug 13

If paid before 14:00

Part no. A4475450069

Mercedes Vito W447 Control Unit Fuse Box Compartment Mount A4475450069

£32.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0009050538

Mercedes-Benz S-Class W221 Multi Purpose Camera Control Unit Module A0009050538

£66.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2035454901-1

Mercedes CL203 Fuse Box Control Unit Module SAM A2035454901

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. KK3T-14D068-JD

Ford Transit Mk8 Fuse Box Power Distribution Relay 2.0 Diesel KK3T-14D068-JD

£113.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4F0971845A-1

Audi A6 S6 C6 Body Comfort Module Convenience Control Unit 4F0907289J

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2215402350

Fuse Box Mercedes W221 W216 Junction Control Unit Relay Module A2215402350

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. A9075402605

Mercedes W907 Fuse Box Control Unit Module Q2 A9075402605

£51.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2215450601

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

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. HPLA-14A073-FC

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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2468200035

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

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4F0971981A

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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4M0941828H

Audi Q7 4M Fuse Box Battery Terminal Cover Housing 4M0941828H

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6C1T14A481CA

Ford Transit Mk7 Under Bonnet Fuse Box Module Onboard Supply 6C1T14A481ACA

£61.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7555188

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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. BJ32-06040-A

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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-2150032

Ford Transit Custom Fuse Box Distribution Module 2.0 Diesel GK2T-14401-FHC

£70.95

Free delivery: Aug 13

If paid before 14:00

Part no. 8J0906331A

Audi TT 8J Engine Control Unit ECU Mount Bracket Holder 8J0906331

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2129001606

Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001606

£42.95

Free delivery: Aug 13

If paid before 14:00

Part no. FK72-5162-A

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

£51.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2465451500

Mercedes W176 Control Unit Bracket Holder Mount A2465451500

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2059065806

Mercedes W205 W213 C253 Fuse Box Front Relay Control Unit Module A2059065806

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. BK2V-14A073-AA

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

£32.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0025450601

Mercedes W906 Fuse Relay Box Module Control Unit A0025450601

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. 2755704-1

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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4L0941824

Audi R8 42 Spyder Fuse Box Control Unit Module Petrol 4L0941824

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2129000004-1

Mercedes W212 SAM Module Fuse Box Relay Electrical Control Unit A2129000004

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. rhd-8512281

Fuse Box BMW F20 F21 F25 F30 F31 Relay Electrical Storage 8509909

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. T1590001100

Trefor Tripl Electric Cargo Scooter Control Module Fuse Box T1590001100

£189.95

Free delivery: Aug 13

If paid before 14:00

Part no. M8A2-14516-BC

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

£23.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7L0937503A

Volkswagen Touareg 7L Fuse Box Relay Control Unit Module 7L0937503A

£32.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-7C2937535F

VW Volkswagen Crafter SY Fuse Box Control Unit Module 7C2937535F

£47.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1645400624

Mercedes W164 Fuse Box Relay Housing Cover A1645400624

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7555166

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

£56.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4F1941824B

Audi Q7 4L Fuse Box Control Module Connector Plug 4F1941824B

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9210863

BMW X3 F25 Fuse Box Power Distribution Module Relay Unit 9210863

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. GB3T-14D068-KC

Ford Ranger Mk3 Fuse Box Relay Panel 2.2 TDCI 4x4 GB3T-14D068-KC

£94.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6G9T-14A481-AA

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

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7P0941828

Volkswagen Touareg 7P Porsche Cayenne 3.0 TDI Fuse Box Control Module 7P0941828

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4F1941824

Audi Q7 4L Fuse Box Control Module Connector Plug Socket Wiring Loom 4F1941824

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6807487

Fuse Box BMW G20 X3 G01 Power Distribution Control Unit Module Front 6807487

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A0025451301

Mercedes W169 W245 W907 W910 Fuse Box Carrier A0025451301

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2049006301-1

Mercedes W204 Rear SAM Module Fuse Box Control Unit A2049006301

£47.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9289374

BMW X5 X6 F15 F85 F16 F86 Front Battery Fuse Box Positive Distribution Terminal

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1775400840

Mercedes C118 W177 W247 Engine Compartment Fuse Box M260 Petrol A1775400840

£61.95

Free delivery: Aug 13

If paid before 14:00

Part no. 95B937115A

Porsche Macan 95B Cover Fuse Box Battery Trim Panel 95B937115A

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. rhd-A2035452301

Mercedes C CLC Class CL203 S203 W203 Rear SAM Tray Holder Bracket A2035452301

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7N0937503

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

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9210860

BMW X3 F25 Rear Fuse Box Power Distribution Control Unit Box 9210860

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2469067100-1

Mercedes W176 W246 C117 Fuse Relay Box Unit Cables Wiring Loom A2469067100

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-BK3T-14401-KMD

Ford Transit Mk8 Fuse Box Power Distribution Junction Relay BK3T-14401-KMD

£28.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4H0911075B

Audi A8L 4H Power Positive Distribution Junction Jumper Box Housing 4H0911075B

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. BK3T-9K499-FBD

Ford Transit Custom Mk8 Under Bonnet Fusebox Wiring Loom BK3T-9K499-FBD

£151.95

Free delivery: Aug 14 – 21

If paid before 14:00

Part no. RHD-7P0907295C

Volkswagen Touareg 7P Fuse Box Power Control Unit Housing Box Cover 7P0907295C

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. 5Q0937615C-1

Audi TT FV Fuse Relay Box Module Electrical Control Unit 5Q0937615C

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. rhd-A1725450101

Mercedes SLK R172 Fuse Box SAM Module Unit Bracket Carrier Holder A1725450101

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 6994419

BMW G20 Power Distribution Fusebox Cover Fuse Box Terminal 6994419

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. 9389070-1

BMW F36 Fuse Box Control REM Electric Power Distribution 9389070

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2535848913

Mercedes C253 Fuse Box Grouping Fuse Placement Map Card Diagram A2535848913

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 4H0937517

Audi A8L 4H Fuse Relay Battery Junction Box Housing 4H0937517

£56.95

Free delivery: Aug 13

If paid before 14:00

Part no. A1779061302-1

Mercedes EQA H243 X118 W247 Fuse Box Relay Control Unit Module A1779061302

£66.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2059067200

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

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2205451840

Mercedes CL S Class C215 W220 Control Module Fuse Box Unit Holder A2205451840

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2129004001

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

£142.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2045458601-1

Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601

£113.95

Free delivery: Aug 13

If paid before 14:00

Part no. 1K0907361B

Audi A3 Q3 8U Relay Plate Fuse Box Bracket Holder Housing Retainer 1K0907361B

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 7H0907296A

VW Volkswagen Transporter T5 Fuse Box Housing Lid Cover Trim Lower 7H0907296A

£37.95

Free delivery: Aug 13

If paid before 14:00

Part no. 3449504-1

Mini R55 R56 Fuse Box Electrical System Distribution Box 3449504

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-95857234901

Porsche Cayenne 92A Power Distribution Fuse Box Cover 7P5819349A

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 1K0937700B

Volkswagen VW Caddy 2K Fuse Box Control Module Connector Plug Socket 1K0937700B

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. A2095453140

Fuse Box Holder Mercedes W209 Control Unit Mount Bracket CLK A2095453140

£13.95

Free delivery: Aug 13

If paid before 14:00

Part no. 8T8971845

Audi A5 8T Fuse Box Relay Control Unit Module 8T8971845

£18.95

Free delivery: Aug 13

If paid before 14:00

Part no. RHD-FT1T-14K733-RTF-1

Ford Transit Connect Mk2 Engine Bay Fuse Box Wiring Loom Harness FT1T-14K733-RTF

£47.95

Free delivery: Aug 13

If paid before 14:00

Part no. A4475450069-1

Mercedes Vito W447 Fuse Box Compartment Housing Cover A4475450069

£28.95

Free delivery: Aug 13

If paid before 14:00

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