GMC C1500 Transmission Service Kits
This page brings together transmission service kits for the GMC C1500, covering model years 1979–1999. The range spans everything from routine filter replacements to full overhaul and master repair kits, giving you options whether you're doing scheduled maintenance or a more involved rebuild. Select your year above and we'll show only the transmission service kits that fit your GMC C1500. Fitment is checked against our vehicle data for every part listed.
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 70380 ShiftPlus Shift Improver Kit for GM 4L60E/4L80E Transmissions
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
Prothane 7-1905-BL Black Polyurethane Motor & Transmission Mount Combo Kit
What's here for your GMC C1500
- Automatic Transmission Filter Kits — includes gaskets and seals for service intervals
- Automatic Transmission Shift Kits — performance-oriented kits designed to modify shift characteristics
- Automatic Transmission Shift Lever Kits — hardware for shift linkage replacement or upgrade
- Automatic Transmission Valve Body Kits — components for valve body service and modification
- Automatic Transmission Overhaul Kits — comprehensive gasket and seal sets for full rebuilds
- Automatic Transmission Master Repair Kits — all-inclusive rebuild packages covering a wide range of internal components
The widest selection here comes from ATP, B&M, Transgo Performance, and ACDelco, covering both universal-fit and application-specific kits across the 1979–1999 model range. Other categories GMC C1500 owners shop for: GMC C1500 Springs and Suspension Parts, GMC C1500 Engine Block Parts and GMC C1500 Doors and Door Parts, or browse all GMC C1500 parts and accessories.