Koyo Thrust Bearing Kit For TH400 And 4L80E Transmissions 65 And Up Includes Sun Gear Center Support Sun Gear Races And Internal Gear Components For Rebuild And Performance Upgrade

9-piece thrust bearing kit for TH400/4L80E transmissions
✔️ Includes sun gear, center support, races and all internal gears.

This rebuild kit for TH400 and 4L80E transmissions provides essential thrust bearing components, including sun gear and center support, to restore endplay accuracy and load handling. It's commonly used in heavy-duty trucks, street machines, and classic builds where durability matters.

✅ Sun/Internal Gear set (3) for full rebuild
✅ Center Support/Sun Gear/Race set (3) for balanced load
✅ Center Support/Sun Gear set (3) for assembly options

💡 What is a thrust bearing kit used for in automotive transmissions?

- Supports endplay control and shaft alignment in TH400/4L80E builds - Reduces wear on gears, races, and center support during hard shifts - Provides complete sun gear, center support, and internal gear components for rebuilds - Ideal for performance upgrades and long-term durability