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Details
| Specification | Value |
|---|---|
| Brand | DAYCO |
| MPN | atb2145 |
| Weight [kg] | 0.8 kg |
| Height 1 [mm] | 30.0 mm |
| Height 2 [mm] | 46.5 mm |
| Belt Pulley Ø [mm] | 82.0 mm |
OE numbers (2)
Search by this OE number to find compatible parts
- AUDI / SEAT / SKODA / VAG / VW—06B109243B
- AUDI / SEAT / SKODA—06B109243E
Where this part fits
Original-fit position for OE 06B109243B. The red ring marks where this part installs on the vehicle.
About this product
The DAYCO Tensioner Pulley Timing Belt (ATB2145) 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: Weight [kg]: 0, Carbon kg, Height 1 [mm]: 30, 0 mm, Height 2 [mm]: 46, Rubber mm, Belt Pulley Ø [mm]: 82, 0 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. 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: 0380225, 06B109243B, 06B109243E, 140266 and 22 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DAYCO 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About DAYCO
Dayco, founded in 1905 in Dayton, Ohio, USA, is a global leader in engine belt drive systems and power transmission products. Dayco specialises in timing belts, serpentine belts, tensioners, idler pulleys, and water pumps. As an OE supplier to major manufacturers including Fiat, Ford, General Motors, and Volkswagen, Dayco products meet exact factory specifications. With over a century of belt technology expertise and advanced polymer engineering, Dayco delivers reliable, long-lasting belt drive components trusted by professionals worldwide.
Suitable cars
Equivalent products (24)
Show all 24 OE numbers
Tensioner Pulley Timing Belt DAYCO ATB2145 — compatible car models
| Car models | AUDI: A4 B5 (8D2), A4 B5 Avant (8D5), A4 B6 (8E2), A4 B6 Avant (8E5), A4 B6 Convertible (8H7), A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Convertible (8HE), A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6); SEAT: EXEO (3R2), EXEO ST (3R5), TOLEDO III (5P2); SKODA: SUPERB I (3U4); VW: PASSAT B5 (3B2), PASSAT B5.5 (3B3), PASSAT B5.5 Variant (3B6), PASSAT B5 Variant (3B5) |
|---|---|
| Engines | 1.8 T; 2.0 TDI |
| Year of manufacture | 1994-2013 |
| Manufacturer article number (MPN) | ATB2145 |
| OE part numbers | 06B109243B, 06B109243E |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DAYCO atb2145 . Belt Pulley Ø [mm]: 82,0 mm. Height 1 [mm]: 30,0 mm. Height 2 [mm]: 46,5 mm. Weight [kg]: 0,8 kg
- 1x Tensioner Pulley Timing Belt
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 Tensioner Pulley Timing Belt compatible with my car?
This Tensioner Pulley Timing Belt 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 DAYCO Tensioner Pulley Timing Belt have?
This DAYCO Tensioner Pulley Timing Belt has the following specifications: Weight [kg]: 0,8 kg; Height 1 [mm]: 30,0 mm; Height 2 [mm]: 46,5 mm; Belt Pulley Ø [mm]: 82,0 mm. Check the full specifications table above for complete details.
What OE part numbers does this Tensioner Pulley Timing Belt replace?
This Tensioner Pulley Timing Belt replaces OE part numbers: 06B109243B, 06B109243E. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Tensioner Pulley Timing Belt cost?
This DAYCO Tensioner Pulley Timing Belt is available for £57.99. Tensioner Pulley Timing Belt prices vary depending on brand, specifications, and vehicle compatibility. DAYCO parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Tensioner Pulley Timing Belt?
Regular inspection of your Tensioner Pulley Timing 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 Tensioner Pulley Timing 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 Tensioner Pulley Timing Belt fitted by a professional mechanic.
Can I use this part as a replacement for OE 06B109243B?
Yes, this DAYCO Tensioner Pulley Timing Belt is a direct replacement for OE part number 06B109243B. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the DAYCO ATB2145 the same as the DAYCO ATB1000?
No, while both are Tensioner Pulley Timing Belt parts, they are different products. The DAYCO ATB2145 has Weight [kg]: 0,8 kg, Height 1 [mm]: 30,0 mm, Height 2 [mm]: 46,5 mm. The DAYCO ATB1000 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
