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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Length [mm] | 51 mm |
| Thread Size | M 8 |
| Outer Diameter [mm] | 14 mm |
| Thread Length [mm] | 41 mm |
| Thread Pitch [mm] | 1 mm |
| Screw length below head [mm] | 43 mm |
OE numbers (2)
Search by this OE number to find compatible parts
- AUDI / SEAT / SKODA / VW—045 105 425
- AUDI / SEAT / SKODA / VW—045 105 425B
Where this part fits
Original-fit position for OE 045105425. The red ring marks where this part installs on the vehicle.

About this product
Sourced from TOPRAN, this connecting rod bolt (118 170) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Length [mm]: 51 mm, Thread Size: M 8, Colour: Ceramic, Spanner Size: Brass, Outer Diameter [mm]: Nylon mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, SEAT, SKODA, 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: 039.000, 045 105 425, 045 105 425B, COB00700 and 2 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 with tracked delivery and a 14-day money-back guarantee with 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 (4)
Connecting Rod Bolt TOPRAN 118 170 — compatible car models
| Car models | AUDI: A1 (8X1, 8XK), A1 Sportback (8XA, 8XF), A3 (8L1), A3 (8P1), A3 (8V1, 8VK), A3 Convertible (8P7), A3 Limousine (8VS, 8VM), A3 Sportback (8PA), A3 Sportback (8VA, 8VF), A4 B6 (8E2) (+20 more) |
|---|---|
| Engines | 1.2 TFSI; 1.9 TDI; 1.2 TSI; 1.6 TDI; 2.0 TDI |
| Year of manufacture | 1996-2021 |
| Manufacturer article number (MPN) | 118 170 |
| OE part numbers | 045 105 425, 045 105 425B |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 118170 . Bolt Head-/Nut Design: 3. Bolt/Nut Version: 11. Bolt/Nut Version: 23. Colour: 7. Length [mm]: 51 mm. Outer Diameter [mm]: 14 mm. Screw length below head [mm]: 43 mm. Spanner Size: 10
- 1x Connecting Rod Bolt
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — 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 Connecting Rod Bolt compatible with my car?
This Connecting Rod Bolt fits AUDI, 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 Connecting Rod Bolt have?
This TOPRAN Connecting Rod Bolt has the following specifications: Length [mm]: 51 mm; Thread Size: M 8; Colour: 7; Spanner Size: 10; Outer Diameter [mm]: 14 mm; Bolt Head-/Nut Design: 3. Check the full specifications table above for complete details.
What OE part numbers does this Connecting Rod Bolt replace?
This Connecting Rod Bolt replaces OE part numbers: 045 105 425, 045 105 425B. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Connecting Rod Bolt cost?
This TOPRAN Connecting Rod Bolt is available for £2.99. Connecting Rod Bolt 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 Connecting Rod Bolt?
Regular inspection of your Connecting Rod Bolt 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 Connecting Rod Bolt?
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 Connecting Rod Bolt fitted by a professional mechanic.
Can I use this part as a replacement for OE 045 105 425?
Yes, this TOPRAN Connecting Rod Bolt is a direct replacement for OE part number 045 105 425. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.