A direct replacement friction clutch pack for automatic transmission units coded F4A41, F4A42, F4A51, F5A51, F4A5A, and W4A5A covering the 1997 through 2008 production range. What separates this part from a generic friction is that it is a single, individually handled unit.
When a clutch friction wears through or glazes, the result is slipping under load, soft or delayed shifts, and eventually burnt fluid from heat buildup. Swapping out the friction pack is a targeted fix that addresses the root cause without tearing down the entire unit unnecessarily.
This is one piece. The order ships as a single friction clutch pack weighing 2.3 lb. It does not include steel reaction plates, bands, an Automatic Transmission Filter, gaskets, seals, or any other components. If your repair calls for those items, they need to be sourced separately. Review your job sheet against what is listed here before placing the order.
Applies to transmissions with the following codes: F4A41, F4A42, F4A51, F5A51, F4A5A, W4A5A. Production years 1997 through 2008. Before ordering, cross-check the code stamped directly on your transmission case and confirm the model year of the vehicle you are working on. Codes that look similar across related families can differ internally, and installing the wrong friction will not solve the problem. When in doubt, pull the old friction and compare dimensions before committing to the order.
- Worn or glazed friction material causes slipping and delayed engagement; replacing the clutch friction restores clean, consistent clutch apply in these units.
- This listing covers a single friction clutch pack only. It does not include steel plates, Automatic Transmission Filter, bands, solenoids, or any sealing components. Confirm your full parts list before ordering.
- The friction material in this part is sourced from a manufacturer specializing in automatic transmission friction applications, chosen for its friction coefficient consistency across the engagement range.
- Single friction clutch pack, 2.3 lb. One piece per order. Verify unit code and model against your transmission before purchasing.
- Before ordering, confirm the exact transmission code stamped on your unit matches F4A41, F4A42, F4A51, F5A51, F4A5A, or W4A5A, and verify the build year falls within the [97-08] range.
What's in the box
- 1 x Friction Clutch Pack, F4A51 Automatic
Compatible vehicles
- Fits Endeavor [04-11].
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