Description
Comparison points and tradeoffs
When comparing Alternator Pulley – 920851A with other Pulleys options, use this source-backed detail as the primary discriminator: Item Weight: 1.2 pounds.
Use this second fact to evaluate the tradeoff: Item model number: 920851A. A third point to compare across alternatives is: Package Dimensions: 3.63 x 3.25 x 3 inches.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
| Manufacturer | Litens |
|---|---|
| Brand | Litens |
| Model | Alternator Pulley |
| Item Weight | 1.2 pounds |
| Package Dimensions | 3.63 x 3.25 x 3 inches |
| Country of Origin | Canada |
| Item model number | 920851A |
| Exterior | Machined |
| Manufacturer Part Number | 920851A |
Litens Automotive is the original equipment supplier to Audi/VW for this decoupling alternator pulley. This replacement pulley is also designed and produced by Litens and is exact in all form, fit, and performance characteristics as the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). Decoupling pulleys are engine specific and should never be interchanged with other types of pulley technology. The Litens OAD type pulley is designed to free-wheel in one direction and, with an internal spring and damping device, softly engage in the opposite direction. The OAD is designed as a sacrificial part of the front-end accessory drive system, protecting other belt driven component as well as the alternator. The correct decoupler pulley ensures smooth, quiet performance as well as increasing vehicle gas mileage. Under normal driving conditions, the original pulley will require replacement in approx. 60,000 – 70,000 miles. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Source product highlights
- Item Package Dimension: 3.63L x 3.3W x 3H inches
- Item Package Weight – 1.2 Pounds
- Item Package Quantity – 1
- Product Type – AUTO PART
- Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality
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