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GMC C3500 Transmission Service Kits
This page covers transmission service kits for the GMC C3500, spanning model years 1979–2002. The range includes filter kits, shift kits, overhaul kits, and more — covering both routine maintenance and more involved transmission work. Select your year above and we'll show only the transmission service kits that fit your GMC C3500. Fitment is checked against our vehicle data for every part listed.
1 - 26 of 26 results
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B&M 80775 Unimatic Automatic Detent Shifter Universal 3-Speed 4-Speed
Part: 80775
Vehicle Specific
$299.95
In Stock (10+)
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B&M 80683 QuickSilver Automatic Ratchet Shifter Universal Floor Mount
Part: 80683
Vehicle Specific
$509.95
In Stock (10+)
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B&M 80680 MegaShifter Automatic Ratchet Shifter for Light Trucks
Part: 80680
Vehicle Specific
$561.95
In Stock (10+)
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1 left at this price
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B&M 80690 MegaShifter Automatic Ratchet Shifter for 3-4 Speed Transmissions
Part: 80690
Vehicle Specific
$549.95
In Stock (10+)
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B&M 80776 Automatic Detent Shifter SportShifter with Lighted Gear Indicator
Part: 80776
Vehicle Specific
$379.95
In Stock (10+)
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B&M 80685 MegaShifter Automatic Ratchet Shifter Right Hand Drive
Part: 80685
Vehicle Specific
$529.95
In Stock (10+)
B&M 70380 ShiftPlus Shift Improver Kit for GM 4L60E/4L80E Transmissions
Part: 70380
Vehicle Specific
$109.95
3 left at this price
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B&M 30229 TransKit Automatic Transmission Rebuild Kit for GM TH-350
Part: 30229
Vehicle Specific
$478.95
In Stock (10+)
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B&M 20229 TransKit Automatic Transmission Shift Improver Kit for TH400
Part: 20229
Vehicle Specific
$519.95
In Stock (10)
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B&M 20228 TransPak Recalibration Kit for GM TH400/TH375 Automatic Transmissions
Part: 20228
Vehicle Specific
$172.95
In Stock (10+)
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B&M 30228 TransPak Recalibration Kit for GM TH350 Automatic Transmissions
Part: 30228
Vehicle Specific
$172.95
In Stock (10+)
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B&M 70235 TransPak Shift Improver Kit for GM TH700R4/4L60 Transmissions
Part: 70235
Vehicle Specific
$212.95
In Stock (9)
B&M 20260 Shift Improver Kit for TH400 TH375 TH475 Transmissions
Part: 20260
Vehicle Specific
$77.15
In Stock (10+)
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B&M 30235 TransPak Transmission Recalibration Kit for GM TH350C Lockup
Part: 30235
Vehicle Specific
$185.95
2 left at this price
BD Diesel 1030471 Allison 1000 Performance Valve Body 2004-2006 Duramax LLY
Part: 1030471
Vehicle Specific
$1,623.10
Ships from manufacturer
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Prothane 7-1905-BL Black Polyurethane Motor & Transmission Mount Combo Kit
Part: 7-1905-BL
Vehicle Specific
$129.71
Ships from manufacturer
What's here for your GMC C3500
- Automatic Transmission Filter Kits — gaskets and filters for scheduled fluid service
- Automatic Transmission Shift Kits — valve body components for firming up shift feel
- Automatic Transmission Shift Lever Kits — manual and performance lever assemblies
- Automatic Transmission Overhaul Kits — comprehensive gasket and seal sets for full rebuilds
- Automatic Transmission Valve Body Kits — internal valve body components and spacer plates
- Automatic Transmission Master Repair Kits — complete hardware sets covering clutches, bands, and seals
The widest selection here comes from ATP, B&M, Transgo Performance, and WIX Racing Filters, covering a broad span of GMC C3500 model years and transmission types. Other categories GMC C3500 owners shop for: GMC C3500 Coolant Hoses and Pipes, GMC C3500 Exterior Lights and GMC C3500 Springs and Suspension Parts, or browse all GMC C3500 parts and accessories.