The Eaton Fuller K-2121 or K2121 Basic Rebuild Kit is a comprehensive transmission rebuild kit sourced directly from Eaton Fuller. The kit includes roller bearings, thrust bearings, bearing cones and cups, multiple oil seals (including mainshaft rear bearing and front bearing cover seals), a snap ring, thread adhesive, and the K-2085 Gasket Kit. Cross-reference numbers for this kit include HFK-2121, TRK-2121, T395F, K2121-SP, and 3948024, among others. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission application.
Features
Includes K-2085 Gasket Kit as a sub-assembly within the kit
Multiple oil seal positions covered: mainshaft rear bearing seal, front bearing cover seal, and additional oil seals
Roller bearings in multiple counts: 90-piece, 52-piece, 15-piece, and individual roller bearings
Bearing cones and cups included for complete bearing replacement
Thread adhesive (part 71232) included for proper fastener retention during assembly
Cross-references: HFK-2121, TRK-2121, K2121-SP, T395F, 3948024, 1681713C1
