331080K020 Toyota RETAINER SUB-ASSY, Price: 79.35$, Weight: 1.71kg


Make Number Name Availability Weight, kg Ship in, Days Price

Toyota

331080K020

RETAINER SUB-ASSY

0

1.71

2-3

79.35$

Not Available

Transmission Retainer Assembly for Toyota Gearboxes โš™๏ธ

This precision retainer assembly secures the bearing and seal at the end of the transmission, locking shaft alignment and preserving correct endplay. Built from hardened steel with tight tolerances, it keeps the output or intermediate shaft stable, prevents case wear, and maintains fluid pressure. Perfect direct-fit choice for Toyota/Aisin units in pickups and SUVs where durability matters.

Why this part is needed โœ…

It holds the bearingโ€™s outer race firmly in the case and supports the oil seal. That stability protects gears, clutches, and planetary sets from wobble and heat. Replacing a worn retainer restores shift quality, reduces noise, and stops leaks.

How it works

Mounted at the gearbox end, the retainer clamps the bearing and compresses the seal lip. Correct clamping sets axial preload, keeps the shaft centered, and sustains ATF circuit pressure. The result: smooth shifts, accurate sensor readings, and long bearing life.

What happens if itโ€™s broken โš ๏ธ

Common symptoms

ATF seepage or puddles, whining at cruise, harsh or delayed shifts, shudder on takeoff, increased shaft play, metal glitter in fluid, overheating, and possible limp mode. Continued driving risks seal blowout and costly gear or clutch damage.

Fitment and install tips

Use OEM-spec fasteners; torque in a cross pattern. Lightly oil the seal lip, verify endplay with a dial indicator, and replace any brittle O-rings or gaskets. Refill with the correct ATF and perform a warm-level check. A proper retainer turns leaks and noise into quiet, confident shifting.