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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Current Strength [A] | 10 A |
| Number of pins | 9 -pin connector |
| Rated Voltage [V] | 12 V |
OE/OEM numbers (8)
Search by this OE number to find compatible parts
- MERCEDES-BENZ / SMART—003 542 02 19
- MERCEDES-BENZ / SMART—004 545 29 05
- AUDI / CUPRA / PORSCHE / SEAT / SKODA / VAG / VW—4H0 951 253C
- MAN—65.25902-0007
- AUDI / CUPRA / PORSCHE / SEAT / SKODA / VAG / VW—7M0 951 253C
- AUDI / CUPRA / PORSCHE / SEAT / SKODA / VAG / VW—8Z0 951 253
- MERCEDES-BENZ / SMART—A003 542 02 19
- MERCEDES-BENZ / SMART—A004 545 29 05
Where this part fits
Original-fit position for OE 0045452905. The red ring marks where this part installs on the vehicle.

About this product
The TOPRAN Relay Main Current (115 664) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Current Strength [A]: Brass A, Number of pins: Stainless Steel -pin connector, Rated Voltage [V]: Zinc V, Relay function: 71. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, CUPRA, SEAT, SKODA and 1 other makes models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 003 542 02 19, 004 545 29 05, 02.42.272, 0 332 201 107 and 67 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN 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 — 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 — 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 — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
About TOPRAN
TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.
Suitable cars
Equivalent products (72)
Show all 72 OE numbers
Relay Main Current TOPRAN 115 664 — compatible car models
| Car models | AUDI: A1 (8X1, 8XK), A1 Sportback (8XA, 8XF), A3 (8P1), A3 (8V1, 8VK), A3 Limousine (8VS, 8VM), A3 Sportback (8PA), A3 Sportback (8VA, 8VF), A4 B6 (8E2), A4 B6 Avant (8E5), A4 B8 (8K2) (+20 more) |
|---|---|
| Engines | 1.0 TFSI; 1.2 TSI; 1.9 TDI; 1.8 TFSI; 1.4 TFSI; 2.0 TDI; 2.8 FSI; 2.0 TFSI hybrid; 3.0 TDI quattro; 2.0 TFSI e-tron quattro |
| Year of manufacture | 2000-2021 |
| Manufacturer article number (MPN) | 115 664 |
| OE part numbers | 003 542 02 19, 004 545 29 05, 4H0 951 253C, 65.25902-0007, 7M0 951 253C, 8Z0 951 253, A003 542 02 19, A004 545 29 05 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 115664 . Current Strength [A]: 10 A. Number of pins: 9 -pin connector. Rated Voltage [V]: 12 V. Relay function: 71
- 1x Relay Main Current
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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?
This Relay Main Current fits AUDI, CUPRA, SEAT, SKODA, VW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this TOPRAN Relay Main Current have?
This TOPRAN Relay Main Current has the following specifications: Current Strength [A]: 10 A; Number of pins: 9 -pin connector; Rated Voltage [V]: 12 V; Relay function: 71. 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: 003 542 02 19, 004 545 29 05, 4H0 951 253C, 65.25902-0007, 7M0 951 253C, 8Z0 951 253, A003 542 02 19, A004 545 29 05. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Relay Main Current cost?
This TOPRAN Relay Main Current is available for £4.99. Relay Main Current prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN 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 003 542 02 19?
Yes, this TOPRAN Relay Main Current is a direct replacement for OE part number 003 542 02 19. 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.
