GMC Transmissions

Flywheel, Cast Iron, 168-Tooth, 30 lb., Internal Engine Balance, Chevy, Small Block, Each

Part Number: SUM-700080

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Shift Kit, Automatic Type, GM, 4L80E, 4L85E, Forward/Standard Shift Pattern, Each

Part Number: TRG-4L80E-HD2

4.63 out of 5 stars ( 56 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Transmission Dipstick, Braided Stainless Steel, Black, Firewall Mount, Chevy, 4L80E, Each

Part Number: LOK-XTD-34L80FM

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Automatic Transmission Rebuild Kit, GM, 4L60E, 30-Spline, Kit

Part Number: SUM-705005

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Automatic Transmission Rebuild Kit, GM, TH350, Non-Lockup, 30-Spline, Kit

Part Number: SUM-705000

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

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

Part Number: LOK-TD-3350400FM

4.68 out of 5 stars ( 88 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Bellhousing, Manual, Cast Aluminum, Natural, GM 621, Chevy, SBC, BBC, Each

Part Number: SUM-700170X

3.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Transmission Dipstick, Braided Stainless Steel, Black, Firewall Mount, 24 in., Chevy, 4L60E, Each

Part Number: LOK-XTD-34L60EFM

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Shift Kit, Automatic Type, Includes .500 in. Boost Valve, GM, 4L60E, Each

Part Number: TRG-4L60E-HD2

4.75 out of 5 stars ( 59 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

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 2/9/2026

• Free Shipping

Clutch Kit, Organic Disc, 11 in. Diameter, 1-1/8 in. Shaft, 26-Spline, Buick, Chevy, Olds, Pontiac, Kit

Part Number: SUM-700808

4.68 out of 5 stars ( 22 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

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 2/9/2026

• Free Shipping

Automatic Transmission Rebuild Kit, HP Standard Steels, GM, TH350, Non-Lockup, 30-Spline, Kit

Part Number: SUM-705020-XK

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350HT

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Flywheels, OE Replacement, Cast Iron, 168-tooth, 30 lbs., External Engine Balance, Chevy, Big Block, Each

Part Number: SUM-700096

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Clutch Slave Cylinder, Aluminum, Black Powdercoated, Chevy, Pontiac, 5.7L, Each

Part Number: NAL-24264182

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Clutch Kit, Organic, 1-1/8 in. Shaft, 10-Spline, 12 in. Diameter Disc, GM, Chevy, Kit

Part Number: SUM-700810

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

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

Part Number: MRG-9797BMRG

3.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Transmission Fluid Dipsticks, Midnight Series Flexible Braided Stainless, Firewall Mount, Case Entry, Black Tube, Black Handle, Chevy, 4L80E, Each

Part Number: LOK-XTD34L80FM36

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

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

Part Number: SUM-700802

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

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

Part Number: LOK-KD2400HT

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Automatic Transmission Shift Kits, Reprogramming Kit, Performance/Tow/Haul, GM, 6L45, 6L50, 6L80, 6L90, Kit

Part Number: TRG-6L80-TOW-PRO

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

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

Part Number: LOK-XTD3350400FM

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Bellhousing, Manual, Cast Aluminum, Natural, GM 621, Chevy, SBC, BBC, Each

Part Number: MCL-8520

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping