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Details
| Specification | Value |
|---|---|
| Brand | NTY |
| MPN | rnk-au-040 |
| Width [mm] | 31 mm |
| Inner Diameter [mm] | 17 mm |
| Outer Diameter [mm] | 70 mm |
| Fabrication Number | RNK-AU-040 |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- AUDI / VAG / VW—077 903 133 F
- AUDI / VAG / VW—077 903 133 G
Where this part fits
Original-fit position for OE 077903133G. The red ring marks where this part installs on the vehicle.
About this product
The NTY Deflection Pulley Guide Pulley V Belt (RNK-AU-040) 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: Width [mm]: 31 mm, Inner Diameter [mm]: Fibreglass mm, Outer Diameter [mm]: 70 mm, Fabrication Number: RNK-AU-040. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, VW 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: 03-40753-SX, 03.80865, 077 903 133 F, 077903133F and 35 more. Matching these numbers confirms a like-for-like replacement with no loss of function. NTY 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.
Suitable cars
Equivalent products (35)
Show all 35 OE numbers
Deflection Pulley Guide Pulley V Belt NTY RNK-AU-040 — compatible car models
| Car models | AUDI: A8 D3 (4E2, 4E8); VW: PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9), TOUAREG (7LA, 7L6, 7L7) |
|---|---|
| Engines | 3.7 quattro; 4.2 V8 4motion; 4.2 V8 |
| Year of manufacture | 2002-2016 |
| Manufacturer article number (MPN) | RNK-AU-040 |
| OE part numbers | 077 903 133 F, 077 903 133 G |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
NTY rnk-au-040 . Fabrication Number: RNK-AU-040. Inner Diameter [mm]: 17 mm. Outer Diameter [mm]: 70 mm. Width [mm]: 31 mm
- 1x Deflection Pulley Guide Pulley 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 Deflection Pulley Guide Pulley V Belt compatible with my car?
This Deflection Pulley Guide Pulley V Belt fits AUDI, 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 NTY Deflection Pulley Guide Pulley V Belt have?
This NTY Deflection Pulley Guide Pulley V Belt has the following specifications: Width [mm]: 31 mm; Inner Diameter [mm]: 17 mm; Outer Diameter [mm]: 70 mm; Fabrication Number: RNK-AU-040. Check the full specifications table above for complete details.
What OE part numbers does this Deflection Pulley Guide Pulley V Belt replace?
This Deflection Pulley Guide Pulley V Belt replaces OE part numbers: 077 903 133 F, 077 903 133 G. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Deflection Pulley Guide Pulley V Belt cost?
This NTY Deflection Pulley Guide Pulley V Belt is available for £18.99. Deflection Pulley Guide Pulley V Belt prices vary depending on brand, specifications, and vehicle compatibility. NTY parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Deflection Pulley Guide Pulley V Belt?
Regular inspection of your Deflection Pulley Guide Pulley 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 Deflection Pulley Guide Pulley 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 Deflection Pulley Guide Pulley V Belt fitted by a professional mechanic.
Can I use this part as a replacement for OE 077 903 133 F?
Yes, this NTY Deflection Pulley Guide Pulley V Belt is a direct replacement for OE part number 077 903 133 F. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
