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 Sprinter W907 Fuse Box Prefuse Box Module F150/1 - MFB-1 A9075406960

€37.95

Part no. AV1T-14A005-DNF

Ford B-Max Fuse Box Unit Control Module AV1T-14A005-DNF

€28.95

Part no. A1665450403

Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403

€28.95

Part no. A1779061002

Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1779061002

€42.95

Part no. 8W0907285

Audi A4 B9 A5 F5 Q5 FY Fuse Box Relay Retainer Bracket Diesel 8W0907285

€23.95

Part no. 6C1T-14A076-A

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

€32.95

Part no. A1669001814

Mercedes W166 SAM Body Control Unit Module Fuse Box A1669001814

€47.95

Part no. A0065454601

Energy Distributor Mercedes W204 OM656 Power Control Unit Module A0065454601

€32.95

Part no. 5QF915459A

Volkswagen Tiguan Mk2 Rear Battery Potential Distributor 2.0 Diesel 5QF915459A

€108.95

Part no. CK52-14K016-AA

Range Rover L405 448DT Diesel Fuse Box Cover Lid Panel Top CK52-14K016-AA

€28.95

Part no. 8X2T-14A075-AB

Jaguar XF X250 Fuse Relay Box Fusebox Cover Lid Panel Trim 8X2T-14A075-AB

€23.95

Part no. 8K0941824A

Audi A1 A4 A6 A7 A8 Fuse Box Connector Socket Module Unit 8K0941824A

€23.95

Part no. GK2T-14401-FE

Ford Tourneo Custom Fuse Box Fusebox Relay Box 2.0 Diesel YNF6 GK2T-14401-FEC

€80.95

Part no. LK52-14A073-AA

Range Rover Sport L494 Engine Fuse Box Control Unit LK52-14A073-AA

€47.95

Part no. 6900583-1

BMW 7 Series E65 E66 Cable Wire Power Distribution Box 6900583

€23.95

Part no. 8K0941824D

Audi Volkswagen Fuse Box Connector Socket Module Unit 8K0941824D

€23.95

Part no. 3450824

Mini Cooper One R56 High SPEG Fuse Distribution Box H1 3450824

€4,749.95

Part no. A6395400150

Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400150

€23.95

Part no. 1K0937132D

Audi A3 8P Fuse Box Relay Plate Cover Lid Cap Top Housing 1K0937132D

€23.95

Part no. 8384525

BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384525 6920648

€23.95

Part no. AV4T-14A076-AA

Ford Kuga Mk1 Engine Bay Fuse Box Cover Lid Top Plate AV4T-14A076-AA

€23.95

Part no. 6G9T-14K131-CB

Ford Galaxy Mk2 Fuse Box Relay Fusebox Control Unit Module 6G9T-14K131-CB

€37.95

Part no. BS7T-14K131-AA

Land Rover Discovery Sport L550 Fuse Relay Box BS7T-14K131-AA

€23.95

Part no. 2Q0937615A-1

Audi A1 GB VW Transporter T6 Fuse Relay Box Power Supply Unit 2Q0937615A

€23.95

Part no. A2225403150

Fuse Box Mercedes W205 Front Passenger Side Footwell Fuse Box A2225403150

€23.95

Part no. AV6T-14A076-AB

Ford Focus Mk3 Fuse Box Relay Cover Cap Flap AV6T-14A076-AB

€23.95

Part no. N101624V

Toyota Aygo B1 Fuse Box Unit Module Tray Holder Housing Panel Cover N101624V

€28.95

Part no. 9326204

BMW X3 F25 B+ Distribution Box Battery Power Front Control Unit Point 9227458

€23.95

Part no. 8720724

BMW F70 U11 F74 Gran Coupé Power Distribution Fuse Relay Box Module 8720724

€23.95

Part no. 7555188

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

€23.95

Part no. 7L0937576

Porsche Cayenne 9PA Fuse Box Relay Trim Cover Panel Unit Housing 7L0937576

€23.95

Part no. A6399000800-1

Mercedes Vito W639 Fuse Box Relay Control Unit Front SAM Module A6399000800

€142.95

Part no. A2129060005-1

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

€23.95

Part no. 7L0937548C

Audi Q7 4L Volkswagen Touareg 7L Interior Fuse Relay Box Terminal 37L0937548C

€23.95

Part no. 6C0907361E

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

€75.95

Part no. 5Q0937503B

Audi A3 8V Volkswagen Golf Mk7 Fuse Relay Plate 5Q0937503B

€23.95

Part no. A9065450003

Fuse Cover Mercedes Sprinter W906 Box Trim Panel Lid Grey A6395450003

€23.95

Part no. DG9T-14B476-B

Ford Mondeo Mk5 Body Control Module BCM ECU Fuse Box FU5T-15604-BFB

€23.95

Part no. 6991400

BMW I4 G26 High Voltage Battery Inverter Control Jump Start Unit 6991400

€32.95

Part no. A0035453501

Mercedes Vaneo W414 Sprinter W901 W902 W903 Fuse Box Battery A0035453501

€23.95

Part no. 4H0907348C

Audi A8 D4 4H Relay Fuse Bracket Holder Junction Box 4H0907348C

€37.95

Part no. 8387541

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

€23.95

Part no. 9389069

BMW F20 F21 F30 F31 F32 X5 F15 X6 F16 Power Distribution Fuse Box Front 9389069

€23.95

Part no. BK2T-14401-FH-1

Ford Transit Custom Fuse Box Power Distribution 2.2 TDCi Diesel BK2T-14401-FH

€32.95

Part no. 7H6970187FT

Volkswagen Transporter T5 Fuse Box Control Module Unit 7H6970187FT

€37.95

Part no. 9224866

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

€23.95

Part no. A0005459712

Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712

€23.95

Part no. 8632554

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

€23.95

Part no. A6395480174

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

€23.95

Part no. 5Q0937132B

Skoda Superb Mk3 3V Fuse Box Lid Cover Trim Upper Panel 5Q0937132B

€23.95

Part no. KK3T-14D068-AD

Ford Transit Mk8 Fuse Box Power Distribution Relay KK3T-14D068-AD

€275.95

Part no. A1729060105

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

€89.95

Part no. A1669063901

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

€37.95

Part no. H1BT-14D068-BG

Ford Fiesta Mk8 Fuse Relay Box Under Bonnet 1.0 1.5 Petrol H1BT-14D068-BG

€23.95

Part no. A2469067100-1

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

€23.95

Part no. GK2T-14B144-GA

Ford Transit Custom Mk8 Fuse Loom Junction Box Housing Bracket GK2T-14B144-GA

€23.95

Part no. 503446570201

Vauxhall Movano C BCM BCM Body Control Module Fuse Box Unit 503446570201

€94.95

Part no. 1K0937125A-1

Audi A3 8P SE Engine Bay Fuse Relay Box Power Management 1K0937125A

€23.95

Part no. 9238195

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

€23.95

Part no. 7P0937132

VW Volkswagen Touareg 7P Fuse Box Control Unit Cover Trim Panel 7P0937132

€23.95

Part no. K8D2-14A067-CA

Land Rover Discovery Sport L550 Fuse Box Fusebox Bracket Mount K8D2-14A067-CA

€23.95

Part no. A2035450301

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

€23.95

Part no. A2055400182

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

€23.95

Part no. 7P0937211A-1

VW Volkswagen Touareg 7P Fuse Box Relay Control Module 7P0937211A

€23.95

Part no. A1669061202

Mercedes W221 Fuse Box Control Unit Module Relay A1669061202

€32.95

Part no. A2129000204

Mercedes W212 Fuse Box Control Unit SAM Module Relay A2129000204

€23.95

Part no. A2059007539

Fuse Box Mercedes S205 Interior Front Relay Fuse Box Sam Module A2059007539

€108.95

Part no. 5Q0937615C-1

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

€23.95

Part no. 5A4CFA9

BMW G20 LCI Fuse Box Control Module Unit 5A4CFA9

€165.95

Part no. 8W0915429A

Audi A4 S4 8W A5 S5 F5 Battery Positive Terminal Cover Housing Cap 8W0915429A

€23.95

Part no. 5A323C8

BMW F40 Fuse Relay Power Distribution Box Unit 5A323C8

€23.95

Part no. AC1T9K499FNA

Ford Transit Mk7 Fuse Box Loom Wiring Harness Under Bonnet Unit AC1T-9K499-FNA

€75.95

Part no. 6C1T-14A076-BB

Ford Transit Mk7 Fuse Box Cover Electrical Unit Housing Trim Cap 6C1T-14A076-BB

€23.95

Part no. A1636880035-1

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

€23.95

Part no. 9387234

Mini F55 Fuse Box Front Body Control Module ECU BCM Unit 9387234

€132.95

Part no. BS7T-14K131-DA

Land Rover Discovery Sport L550 Evoque L538 Fuse Relay Box BS7T-14K131-DA

€32.95

Part no. A0005456786

Mercedes W205 W213 Fuse Box Protective Bracket Cover A0005456786

€23.95

Part no. AV6T14A067BC

Ford Transit Connect Mk2 II Fuse Box Battery Terminal Unit Module AV6T14A067BC

€23.95

Part no. A2129004901

Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129004901

€28.95

Part no. A1665402950

Mercedes W166 Prefuse Box F32/4 Power Distribution Box A1665402950

€132.95

Part no. KPLA-14M726-FA

Range Rover Sport L494 Hybrid 48V Fuse Junction Box Unit KPLA-14M726-FA

€104.95

Part no. 4H0937545L

Audi A8 D4 Fuse Relay Battery Junction Box Connector Housing 4H0937545L

€23.95

Part no. 8K0937501

Audi A4 B8 A5 8T A6 C7 Q5 8R Fuse Box Relay Module Connector Plug 8K0937501

€28.95

Part no. DV6T-14A073-DG

Ford Focus Mk3 C-Max Mk2 BCM Body Control Module Fuse Box DV6T-14A073-DG

€37.95

Part no. 6G9T-14K131-BB

Land Rover Discovery Sport L550 Fuse Relay Box 6G9T-14K131-BB

€32.95

Part no. 8736251

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

€66.95

Part no. 6906613

BMW E87 E90 E91 Power Distribution Fuse Box Front 6906613

€37.95

Part no. A2229063302

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

€56.95

Part no. A1715451301-1

Mercedes SLK R171 Roadster Fuse Box Control Unit SAM Module Relay A1715451301

€232.95

Part no. 99161032100

Porsche 718 Boxster 982 Battery Fuse Box Control Unit Socket Plug 99161032100

€23.95

Part no. 2S6T-14A076-BA

Ford B-Max Fiesta Mk6 Fuse Box Cover Housing Lid Trim Cap 2S6T-14A076-BA

€23.95

Part no. C1BT-14A005-DRA

Ford Fiesta MK7 Fuse Box Relay Junction Box Panel Cover Trim C1BT-14A005-DRA

€23.95

Part no. HPLA-14A073-BC

Range Rover Sport L494 Dashboard Fuse Box Control Unit Module HPLA-14A073-BC

€42.95

Part no. 2081426

Ford Kuga C520 Fuse Box Relay Box 1.5 EcoBoost M8MA Petrol GV4T-14014-BRC

€32.95

Part no. A1775404307-1

Fuse Box Mercedes C118 W177 Engine Compartment Relay Box Module A1775404307

€113.95

Part no. 4M5T-14A124-AA

Ford Focus Mk2 C-Max Body Control Module Fuse Box Bracket Holder 4M5T-14A124-AA

€23.95

Part no. 8T8971845

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

€23.95

Part no. 6942912

BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Fuse Box 6942912

Product currently unavailable

Part no. 3453737

Mini R56 High SPEG M3 Fuse Distribution Box Electrical Control Unit 3453737

Product currently unavailable

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