Chevrolet K20 Transmission Service Kits
Transmission service kits for the Chevrolet K20 cover model years 1968–1987 and include everything from filter kits and overhaul kits to shift kits and mount kits. Choose your model year above and this page keeps only the transmission service kits that fit your Chevrolet K20. Each listing is matched to our vehicle fitment data before it appears here.
B&M 80775 Unimatic Automatic Detent Shifter Universal 3-Speed 4-Speed
B&M 80683 QuickSilver Automatic Ratchet Shifter Universal Floor Mount
B&M 80680 MegaShifter Automatic Ratchet Shifter for Light Trucks
B&M 80690 MegaShifter Automatic Ratchet Shifter for 3-4 Speed Transmissions
B&M 80776 Automatic Detent Shifter SportShifter with Lighted Gear Indicator
B&M 80685 MegaShifter Automatic Ratchet Shifter Right Hand Drive
B&M 30229 TransKit Automatic Transmission Rebuild Kit for GM TH-350
B&M 20229 TransKit Automatic Transmission Shift Improver Kit for TH400
B&M 20228 TransPak Recalibration Kit for GM TH400/TH375 Automatic Transmissions
B&M 30228 TransPak Recalibration Kit for GM TH350 Automatic Transmissions
B&M 70235 TransPak Shift Improver Kit for GM TH700R4/4L60 Transmissions
B&M 20260 Shift Improver Kit for TH400 TH375 TH475 Transmissions
B&M 30235 TransPak Transmission Recalibration Kit for GM TH350C Lockup
What's here for your Chevrolet K20
- Automatic Transmission Filter Kits
- Automatic Transmission Shift Lever Kits
- Automatic Transmission Shift Kits
- Automatic Transmission Overhaul Kits
- Automatic Transmission Mount Kits
The widest selection here comes from ATP, B&M, Prothane, and Transgo Performance, covering a range of kit styles including universal-fit and gasket-inclusive options in materials such as black rubber and performance-grade components. Other categories Chevrolet K20 owners shop for: Chevrolet K20 Body Frame Parts, Chevrolet K20 Springs and Suspension Parts and Chevrolet K20 Steering Gear and Parts, or browse all Chevrolet K20 parts and accessories.