- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | MAHLE |
| MPN | mr78 |
| Number of pins | 4 -pin connector |
| Rated Voltage [V] | 12 V |
| Packaging length [cm] | 3.9 cm |
| Packaging width [cm] | 3.20 cm |
| Packaging height [cm] | 5.50 cm |
| Rated current [A] | 40 A |
| Net Weight [g] | 28 g |
OE numbers (33)
Search by this OE number to find compatible parts
- FIATโ0000082461742
- GENERAL MOTORS / OPELโ0332019452
- GENERAL MOTORS / OPELโ03447012
- GENERAL MOTORS / OPELโ1238545
- GENERAL MOTORS / OPELโ1238587
- GENERAL MOTORS / OPELโ1238611
- FORDโ1591662
- AUDI / CUPRA / VWโ171919505A
- AUDI / CUPRA / VWโ330919753
- FORDโ542/937503//
- FORDโ6015107
- RENAULT / RENAULT KOREAโ6020BA
- FORDโ6149337
- OPELโ6238522
- GENERAL MOTORS / OPELโ6238525
- OPELโ6238619
- AUDI / CUPRA / FORD / VWโ81AG14N089AA
- AUDI / CUPRA / FORD / VWโ81AG14N089CA
- FIATโ82461742
- NEW HOLLANDโ83990084
- FORDโ85AU14N089CA
- FORDโ86AU18C641CA
- AUDI / CUPRA / FORD / VWโ87EU18C641AA
- GENERAL MOTORS / OPELโ90008100
- GENERAL MOTORS / OPELโ90244312
- GENERAL MOTORS / OPELโ90464759
- GENERAL MOTORS / OPELโ90511178
- GENERAL MOTORS / OPELโ93257719
- GENERAL MOTORS / OPELโ93383185
- GENERAL MOTORS / OPELโ94580702
- FIATโAZ55251
- SIEMENSโV23134-B0052C643
- SIEMENSโV23134-B1052C642
Where this part fits
Original-fit position for OE 81AG14N089CA. The red ring marks where this part installs on the vehicle.

About this product
Sourced from MAHLE, this relay main current (MR 78) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications โ Number of pins: Copper -pin connector, Rated Voltage [V]: Zinc V, Packaging length [cm]: Cast Iron, Stainless Steel cm, Packaging width [cm]: Cast Iron, 20 cm, Packaging height [cm]: Rubber, 50 cm โ are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 0000082461742, 0 320 144 06, 0 332 014 106, 0 332 014 113 and 45 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MAHLE is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability โ you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative โ use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value โ and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About MAHLE
MAHLE, founded in 1920 in Stuttgart, Germany, is a global leader in engine components and filtration systems. MAHLE specialises in pistons, cylinder liners, gaskets, turbocharger components, oil filters, air filters, and fuel filters. As an OE supplier to nearly every car and truck manufacturer worldwide, MAHLE products are engineered to exact factory specifications. Trusted by professional workshops and racing teams alike, MAHLE delivers outstanding engine performance and filtration efficiency across millions of applications.
Suitable cars
Fitment not confirmed for this part
We could not confirm which vehicles this part fits โ check before buying.Equivalent products (15)
Relay Main Current MAHLE MR 78 โ compatible car models
| Manufacturer article number (MPN) | MR 78 |
|---|---|
| OE part numbers | 0000082461742, 0332019452, 03447012, 1238545, 1238587, 1238611, 1591662, 171919505A, 330919753, 542/937503//, 6015107, 6020BA, 6149337, 6238522, 6238525, 6238619, 81AG14N089AA, 81AG14N089CA, 82461742, 83990084 (+13 more) |
Compatibility check
Loading vehicle dataโฆ
Please wait while we load vehicle compatibility information.Description and what's included
MAHLE mr78 . Net Weight [g]: 28 g. Number of pins: 4 -pin connector. Packaging height [cm]: 5,50 cm. Packaging length [cm]: 3,9 cm. Packaging width [cm]: 3,20 cm. Rated current [A]: 40 A. Rated Voltage [V]: 12 V. Relay function: 1
- 1x Relay Main Current
Shipping, returns, warranty
Free UK delivery on orders over ยฃ99.00. Tracked standard shipping.
- Standard delivery: 4โ8 business days
- Order before 5pm โ ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Relay Main Current compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine โ we'll confirm whether this Relay Main Current fits. All fitment data is verified through TecDoc.
What specifications does this MAHLE Relay Main Current have?
This MAHLE Relay Main Current has the following specifications: Number of pins: 4 -pin connector; Rated Voltage [V]: 12 V; Packaging length [cm]: 3,9 cm; Packaging width [cm]: 3,20 cm; Packaging height [cm]: 5,50 cm; Rated current [A]: 40 A. Check the full specifications table above for complete details.
What OE part numbers does this Relay Main Current replace?
This Relay Main Current replaces OE part numbers: 0000082461742, 0332019452, 03447012, 1238545, 1238587, 1238611, 1591662, 171919505A and 25 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Relay Main Current cost?
This MAHLE Relay Main Current is available for ยฃ5.99. Relay Main Current prices vary depending on brand, specifications, and vehicle compatibility. MAHLE parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Relay Main Current?
Regular inspection of your Relay Main Current is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Relay Main Current?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Relay Main Current fitted by a professional mechanic.
Can I use this part as a replacement for OE 0000082461742?
Yes, this MAHLE Relay Main Current is a direct replacement for OE part number 0000082461742. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
