12-Piece Transmission Bushing Kit for GM 4L80E 1997-Up K34903F

12-Piece Transmission Bushing Kit for GM 4L80E transmissions, 1997-up, part number K34903F.

Replace worn transmission bushings during your rebuild with this 12-piece set covering multiple shaft, drum, support, and housing locations. Properly fitted replacement bushings help support internal components and address wear-related clearance, misalignment, and internal fluid leakage.

Fitment

• Transmission: GM 4L80E

• Transmission production years: 1997-up

• Part number: K34903F

• Quantity: 12 bushings

• Confirm transmission identification and original bushing dimensions before ordering.

• Shared TH400/4L80E component descriptions apply to individual bushings, not complete-kit TH400 fitment.

Included Components

• 4L80E pump body bushing

• 4L80E overrun drum front bushing

• 4L80E center support bushing with one axial groove

• 4L80E extension housing bushing

• 4L80E rear case bushing

• 4L80E forward clutch bushing

• 4L80E stator shaft front bushing

• 4L80E stator support rear bushing

• TH400/4L80E stator support front and right-rear bushings, two pieces

• TH400/4L80E narrow output shaft bushing

• TH400/4L80E rear planetary bushing

Installation And Fluid Service

Inspect mating surfaces and shafts before installation. Use appropriate bushing installation tools, verify operating clearances, and maintain correct lubrication passage alignment.

For refill service, consider Lubegard ATF that meets your transmission’s required fluid specification. Fluid and installation tools are sold separately.