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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Category | Ribbed V-belt |
| Length [mm] | 1635 mm |
| Width [mm] | 21.4 mm |
OE/OEM numbers (7)
Search by this OE number to find compatible parts
- AUDI—078 903 137AN
- BMW—1128 7 505 802
- BMW—1128 7 515 316
- BMW—1128 7 532 146
- BMW—1128 7 552 236
- RENAULT / RENAULT KOREA—7700 860 463
- RENAULT / RENAULT KOREA—7701 064 344
Where this part fits
Original-fit position for OE 078903137AN. The red ring marks where this part installs on the vehicle.
About this product
When ribbed v-belt performance matters, the TOPRAN 112 449 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Driven Units: Steel, Driven Units: Aluminium, Driven Units: Copper, Driven Units: Rubber, Length [mm]: 1635 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with AUDI, BMW, RENAULT vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 050 006 1637, 050 006 1642, 06-01640-SX, 078 903 137AN and 121 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN is a recognised supplier of automotive engine timing 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 (164)
Show all 164 OE numbers
Ribbed V-belt TOPRAN 112 449 — compatible car models
| Car models | AUDI: 80 B4 Avant (8C5), 80 B4 Saloon (8C2), A6 C4 (4A2), A6 C4 Avant (4A5), A8 D2 (4D2, 4D8), CABRIOLET B3 (8G7); BMW: 1 Coupe (E82), 1 (E81), 1 (E87), 3 Compact (E46), 3 Convertible (E46), 3 Coupe (E46), 3 (E46), 3 Touring (E46), Z4 Roadster (E85); RENAULT: MEGANE I (BA0/1), MEGANE I Cabriolet (EA0/1), MEGANE I Classic (LA0/1), MEGANE I Coach (DA0/1) |
|---|---|
| Engines | 2.6; 2.4; 2.8; 120 i; 116 i; 316 ti; 318 Ci; 316 i; 2.0 i; 1.9 dTi (BA08, BA0N); 2.0 16V (EA0H); 1.9 dTi (LA08, LA0N, LA0K); 1.9 dTi (DA0N) |
| Year of manufacture | 1991-2013 |
| Manufacturer article number (MPN) | 112 449 |
| OE part numbers | 078 903 137AN, 1128 7 505 802, 1128 7 515 316, 1128 7 532 146, 1128 7 552 236, 7700 860 463, 7701 064 344 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 112449 Ribbed V-belt. Driven Units: 1. Driven Units: 2. Driven Units: 4. Driven Units: 5. Length [mm]: 1635 mm. Material: 33. Number of ribs: 6. Width [mm]: 21,4 mm
- 1x Ribbed V-belt
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 Ribbed V-belt compatible with my car?
This Ribbed V-belt fits AUDI, BMW, RENAULT 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 Ribbed V-belt have?
This TOPRAN Ribbed V-belt has the following specifications: Driven Units: 1; Driven Units: 2; Driven Units: 4; Driven Units: 5; Length [mm]: 1635 mm; Width [mm]: 21,4 mm. Check the full specifications table above for complete details.
What OE part numbers does this Ribbed V-belt replace?
This Ribbed V-belt replaces OE part numbers: 078 903 137AN, 1128 7 505 802, 1128 7 515 316, 1128 7 532 146, 1128 7 552 236, 7700 860 463, 7701 064 344. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Ribbed V-belt cost?
This TOPRAN Ribbed V-belt is available for £15.99. Ribbed V-belt 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 Ribbed V-belt?
Regular inspection of your Ribbed V-belt 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 Ribbed V-belt?
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 Ribbed V-belt fitted by a professional mechanic.
Can I use this part as a replacement for OE 078 903 137AN?
Yes, this TOPRAN Ribbed V-belt is a direct replacement for OE part number 078 903 137AN. 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.
