| Type | Timing Belt Tensioner Pulley |
| Product Name | Timing Belt Tensioner Pulley 078903133B |
| OE Number | 078903133B |
| Cross Reference Numbers | 078903133AB / 078903133T / 534011620 / T38193 / VKM31061 / 55717 |
| Application | Audi / Skoda / Volkswagen |
| Material | C&U bearing + High-strength steel pulley |
| MOQ | Contact Us for Details |
| Delivery Time | 1-7 days |
| Packaging | SUMATE / Neutral / Custom |
| Origin | Zhejiang, China |
The Timing Belt Tensioner Pulley 078903133B is an engine timing system component for selected Audi, Skoda and Volkswagen applications. It is designed to maintain appropriate timing belt tension and support stable belt movement during engine operation.
Manufactured by SUMATE, this OE replacement pulley combines a C&U bearing with a high-strength steel pulley structure. It is designed to provide smooth rotation, reduced vibration, low operating noise and dependable service in compatible timing belt systems.
The timing belt tensioner pulley helps maintain the required tension and alignment of the timing belt. Correct belt tension supports accurate synchronization between related engine components and helps prevent belt vibration, abnormal noise and premature belt wear.
A worn or damaged pulley may affect belt tracking and tension stability. The replacement component should be selected by comparing the OE number, dimensions and confirmed vehicle information with the original part.
| Primary OE Number | 078903133B |
| Cross-Reference Numbers | 078903133AB / 078903133T / 534011620 / T38193 / VKM31061 / 55717 |
Please verify the original OE number before ordering. Compatibility may vary according to vehicle model, engine, model year and timing belt system configuration. Vehicles with the same model name may use different pulleys.
The dimensions and vehicle information below are based on the existing product record. Compare the OE number, product dimensions and original component before installation.
| Product Type | Timing Belt Tensioner Pulley |
| Product Number | 078903133B |
| Diameter | 76 mm |
| Width | 25 mm |
| Weight | 1.199 kg |
| Material | C&U bearing + High-strength steel pulley |
| Application Type | Engine timing belt system |
| Packaging | SUMATE / Neutral / Custom |
| Origin | Zhejiang, China |
| Brand | Model | Year |
| Audi | 100 | 1990–1994 |
| Audi | 80 | 1991–1996 |
| Audi | A4 | 1995–2005 |
| Audi | A6 | 1994–2005 |
| Audi | A8 | 1994–2002 |
| Audi | Allroad | 2000–2005 |
| Audi | Cabriolet | 1992–2000 |
| Audi | Coupe | 1991–1996 |
| Skoda | Superb | 2001–2008 |
| Volkswagen | Passat | 1996–2005 |
Explore more Audi belt tensioners and tensioner pulleys available from SUMATE.
SUMATE supplies timing belt tensioner pulleys to automotive parts distributors, wholesalers, importers and aftermarket brands. Wholesale supply, repeat-order support and OE-number-based product matching are available.
Packaging options include SUMATE branded packaging, neutral packaging and customized packaging. Contact us with the OE number, required quantity and destination market for product availability and quotation details.
The primary OE number is 078903133B. The Product Number field should contain this number only.
The existing product record lists 078903133AB, 078903133T, 534011620, T38193, VKM31061 and 55717 as cross-reference numbers.
No. Compatibility depends on the engine, model year and timing belt system. Verify the OE number and original component specifications before ordering.
The existing product specification confirms a C&U bearing combined with a high-strength steel pulley.
Yes. SUMATE supports wholesale supply, neutral packaging, SUMATE branded packaging and customized packaging according to order requirements.
Contact SUMATE for pricing, availability and wholesale supply of the Timing Belt Tensioner Pulley 078903133B. Please provide the OE number, required quantity and destination market so that our team can prepare the appropriate quotation.