CHEVROLET AVALANCHE Transmission & Drivetrain

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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Differential Carrier, Positraction, Nodular Iron, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730968

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E, 4L65E, 2800-3200 RPM stall

Part Number: HAY-97-1H28Q

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

Estimated Ship Date: Tomorrow

Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 4L60E, Each

Part Number: LOK-TD34L60EFM

4.71 out of 5 stars ( 24 )

Estimated Ship Date: Tomorrow

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Flexplates, GM Genuine Parts, 168-tooth, Steel, 14.13 in. Diameter, Internal Engine Balance, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12654640

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Torque Converter, Remanufactured Heavy-Duty, Stock Use, 36-spline Input, 12.500 in. Diameter, 6L80, 6L90, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: CCV-TQBU60HD

3.67 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

• Core Charge $150.00
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Gear, Ring and Pinion, 4.11:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24160

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Transmission Fluid Dipsticks, Hi-Tech Flexible Braided Stainless, Firewall Mount, Case Entry, Tube, Brite Anodized Handle, Chevy, GMC, 6L80E, 6L90E

Part Number: LOK-TD-36L80FM36

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Clutch Assembly, ST-246 Twin Disc, 9.7 in. Dia., Sprung Organic, w/Billet Flywheel, LS 6-bolt, 850 lbs.-ft. Capacity, Tremec T56 , TKO, Chevy, Kit

Part Number: TIL-55-1004

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Flexplate, Heavy-Duty, Steel, Internal Balance, 168 Tooth, SFI 29.1, Chevy, Each

Part Number: HAY-10-030

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Governor Cover, Stainless Steel, Natural, 700R4, TH350, Each

Part Number: TCI-316861

4.85 out of 5 stars ( 33 )

Estimated Ship Date: Tomorrow

Automatic Transmission, Remanufactured, 6 Gears, Standard Shift Pattern, Torque Converter Included, 6L80, Cadillac, Chevrolet, GMC, Each

Part Number: VRE-8114A-JMB

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

• Core Charge $720.00
• Drop Ship
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• Special Order

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85342

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Torque Converter, Remanufactured, Stock Use, 1,400-1,600 Stall Speed Rating RPM Range, 30-spline Input, 12.50 in. Diameter, Buick, Chevy, GMC, Each

Part Number: CCV-TQBU47

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

• Core Charge $45.00
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Ring and Pinion Installation Kit, GM 8.6 in., Rear, Kit

Part Number: SPZ-37059

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24157

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Combo, Differential, Eaton Truetrac, Ring and Pinion, 4.10:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0082

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Differential, Grip Pro Traction System, 30-Spline, GM 8.5in., 8.6 in., Each

Part Number: PWT-GT201030

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Flexplates, Heavy-Duty, 168-tooth, Steel, SFI 29.1, Internal Engine Balance, One-piece Rear Main Seal, Chevrolet, Small Block LS, Each

Part Number: HAY-40-508

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885410

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Transmission Pan, Deep, Aluminum, Natural, 4L60, 4L60E, Each

Part Number: BMM-70260

4.13 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Tomorrow

Clutch Select Valve and TCC Regulator Valve kit GM 6L45, 6L50, 6L80, and 6L90

Part Number: TRG-6L8CSTCC

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each

Part Number: ADO-84554713

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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