GMC R2500 Transmission & Drivetrain

Flywheel, 168-tooth, Cast Iron, 1-piece Seal Style, External Engine Balance, Chevy, GMC, Each

Part Number: SUM-700082

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Ring and Pinion Installation Kit, GM, 8.5 in., 8.6 in., 10-Bolt, Spline Pinion, Kit

Part Number: RMG-8310211

4.2 out of 5 stars ( 41 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Transmission Dipstick, Braided Stainless Steel Tube, Flexible, Aluminum Handle, Firewall Mount, TH350, TH400, Each

Part Number: LOK-TD-3350400FM

4.67 out of 5 stars ( 89 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Automatic Transmission Kickdown Cable, Hi-Tech, Braided Stainless Steel, Natural Aluminum Fittings, GM, 700R4, Kit

Part Number: LOK-KD-2700HT

4.85 out of 5 stars ( 34 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Transmission Pan, Stock, Aluminum, EDP Coated Black, GM 700R4, 4L60, 4L60E, Each

Part Number: MRG-9797BMRG

3.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, GM, TH350, TH400, Each

Part Number: LOK-XTD3350400FM

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85373

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH400, Kit

Part Number: LOK-KD2400HT

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Throwout Bearing, Hydraulic, 1.375 in. Retainer Diameter, Lever Style Clutch, universal, Each

Part Number: RAM-78125HD

4.58 out of 5 stars ( 26 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Valve Body, Cast Iron, Full Manual, Forward Pattern, Engine Braking, Chevy, TH400, Each

Part Number: TCI-221200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Flywheels, OE Replacement, Ductile Iron, 168-tooth, 30 lbs., 6-bolt, External Engine Balance, Chevy, GMC, Each

Part Number: PFT-50-6525

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, TH350, TH400, Each

Part Number: LOK-TD350400FM36

4.79 out of 5 stars ( 38 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, 700R4, Kit

Part Number: LOK-KD-2700U

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Mini Spool, 30-spline, Steel, GM 10.5 in. (14-bolt), Each

Part Number: ALY-GM14MSPL

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, Chevy, TH350, TH400, Each

Part Number: LOK-XTD350400FM3

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, GM, 700R4, Kit

Part Number: LOK-XKD2700HT

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, GM, TH400, Kit

Part Number: LOK-XKD-2400HT

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Clutch Kit, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, Kit

Part Number: LUK-04-902

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Flywheels, OE Replacement, Ductile Iron, 168-tooth, 30 lbs., External Engine Balance, Chevy, GMC, Each

Part Number: PFT-50-6531

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Clutch Disc, Organic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Disc, GM, Each

Part Number: CTF-383735

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Transmission Pan, Stock, Aluminum, EDP Coated Black, GM TH400, Each

Part Number: MRG-9796BMRG

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 11 in. Disc, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: RAM-88762

4.64 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, TH400, Kit

Part Number: LOK-KD-2400U

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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