CHEVROLET TRAILBLAZER Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

SKF Bearings Ring and Pinion Gear Installation Kits SDK321-K

Differential rebuild kit

Part Number: SKF-SDK321-K

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Motive Gear Open Differential Internal Kits GM8.6BIL-1

Differential Rebuild Kit, Spider Gears, Side Gears, Cross Shaft, GM 8.6, Kit

Part Number: MGR-GM8-6BIL-1

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2029

Ring and Pinion Gears,USA Standard 8.6" GM, 4.56 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10740

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Timken Pinion Bearings NP457992

Bearing, Pinion, 1.625 in. Inside Diameter, Buick, Cadillac, Chevrolet, GMC, Olds, Each

Part Number: TMK-NP457992

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion and Differential Combos ZGK2026

Ring and Pinion Gears,USA Standard 8.6" GM, 3.42 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10737

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2026

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025

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Yukon Gear & Axle Ring and Pinion and Differential Combos ZGK2027

Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10738

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2027

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025

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Yukon Gear & Axle Ring and Pinion and Differential Combos ZGK2028

Ring and Pinion Gears,USA Standard 8.6" GM, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10739

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2028

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025

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Yukon Gear & Axle Ring and Pinion and Differential Combos ZGK2030

Ring and Pinion Gears,USA Standard 8.6" GM, 4.88 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10741

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2030

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025

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Yukon Gear & Axle Ring and Pinion Gears ZGK2031

Ring and Pinion Gears,USA Standard 8.6" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: YGA-10742

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2031 GM 8.6 in. 3.42 Gears

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025

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Yukon Gear & Axle Ring and Pinion Gears ZGK2032

Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: YGA-10743

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2032 GM 8.6 in. 3.73 Gears

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025

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Yukon Gear & Axle Ring and Pinion Gear and Differential Combos YGK2027

Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 3.73 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10422

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2034 GM 8.6 in. 4.56 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: YGA-10429

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Timken Ring and Pinion Gear Installation Kits DRK321C

BEARING AND SEAL KIT

Part Number: TMK-DRK321C

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Timken Ring and Pinion Gear Installation Kits DRK320C

BEARING AND SEAL KIT

Part Number: TMK-DRK320C

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Timken Ring and Pinion Gear Installation Kits DRK320D

BEARING AND SEAL KIT

Part Number: TMK-DRK320D

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25117

Axle Shaft, 30-Spline, 33.25 in. Length, Buick, Chevy, GMC, Isuzu, Saab, 8.6 in., Driver Side Rear, Each

Part Number: RMG-92-25117

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Motive Gear Ring and Pinion Gear Installation Kits GM8.6E

Differential Parts Kit

Part Number: MGR-GM8-6E

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits GM9.5IKL

Ring and Pinion Installation Kit, Basic, GM 9.5 in., Rear, Kit

Part Number: MGR-GM9-5IKL

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R8.2RIFSLTPK

Ring and Pinion Installation Kit, Basic, GM 8.25 in. IFS, Front, Kit

Part Number: MGR-R8-2RIFSLTPK

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R9.5GRLT

Ring and Pinion Installation Kit, Basic, GM 9.5 in., Rear, Kit

Part Number: MGR-R9-5GRLT

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R9.5GRLTPK

Ring and Pinion Installation Kit, Basic, GM 9.5 in., Rear, Kit

Part Number: MGR-R9-5GRLTPK

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM7.2-373R GM 7.2 in. IFS 3.73 Gears

Ring & Pinion Gear, 3.73 Ratio, GM, 7.2 in., Set

Part Number: YGA-24472

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits RG8RT

Ring and Pinion Installation Kit, Basic, GM 8.0 in., Rear, Kit

Part Number: MGR-RG8RT

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

Powertrax Cross Shaft Pins SG1920

Cross Shaft, Steel, GM 8.5 in. with Lock Right Differential, 28, 30-Spline, Each

Part Number: PWT-SG1920

Not Yet Reviewed

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ACDelco 4WD Differential Actuators 12471631

Actuator, 4WD, Front Axle, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Each

Part Number: ADO-12471631

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today