Parts within one transmission family are often dimensionally different by build date.

5R55W Sun Gear 5R55WS Overdrive 38-Teeth. This is the correct piece for the unit code on the tag.

Fit and finish match the stock, which is what keeps the rebuild inside the specification it was designed around. Shipping weight is 8 lb.

The parts list below is exactly what ships. Compare it against your teardown before ordering.

REMCO has supplied automatic transmission parts since 1991, and every order ships with its part listing so the receiving technician can check what arrived against what was ordered.

• 5R55WS automatic transmission: transmission Hard Part for 5R55W - replacement component designed for proper fit and function
• Designed to support proper torque transfer, alignment and internal support during an internal repair
• Package Includes: one transmission hard part as described, supplied loose for an internal repair
• Hardened steel machined to the stock dimensions - designed for dependable service in the intended application. Ships at 8.00 lb, 18x16x5 in
• Intended for builders replacing worn internal components. Inspect the mating surface for scoring and measure end play after assembly

What's in the box

• 1 x Sun Gear 5R55WS Overdrive 38-Teeth

Compatible vehicles

• Fits Mustang [05-10], Thunderbird [02-05], Explorer [02-10], Explorer Sport Trac [05-10], S-Type [00-02], XK8 [01-02], XKR [00-02], Aviator [03-05], LS [00-06], Mountaineer [99-01].