CHEVROLET BLAZER Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Eaton Posi Performance 30 Spline Differential GM 8.5/8.6 Inch 19559-010

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 8.5 in., Truck, 3 Series, Each

Part Number: ETN-19559-010

4.9 out of 5 stars ( 10 )

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Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt), truck 19556-010

Differential, Posi Performance, Limited Slip, 30-Spline, 12-Bolt, 4 Series, Chevy, GMC, Truck, Each

Part Number: ETN-19556-010

4.5 out of 5 stars ( 8 )

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Powertrax Grip Pro Traction Systems GM 8.5 Inch GT201030

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 )

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Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2007 GM 8.5 in. 3.73 Gears

Ring and Pinion Gears and Installation Kit Combo, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., Rear, Cadillac, Chevy, GMC, Kit

Part Number: YGA-10402

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle 4340 Chromoly Axles YA W24118

Yukon front 4340 Chromoly axle kit for 1979-87 GM 8.5 in. 1/2 ton truck and Blazer

Part Number: YGA-21325

3.5 out of 5 stars ( 2 )

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Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2008 GM 8.5 in. 4.11 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781"

Part Number: YGA-10403

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Powertrax Grip Pro Traction Systems GM 7.5/7.625 Inch GT247528

Differential, Grip Pro Traction System, 28-Spline, GM 7.5 in., 7.625 in., Each

Part Number: PWT-GT247528

Not Yet Reviewed

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Powertrax Grip Pro Traction Systems GM 8.875 Inch (12-bolt), truck GT248730

Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in. 12-Bolt Truck, Each

Part Number: PWT-GT248730

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.875 Inch (12-bolt), truck YDGGM12T-3-30-1

4 out of 5 stars ( 5 )

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Powertrax Grip LS Traction Systems GM 7.5/7.625 Inch LS247528

Differential, Grip LS Traction System, 28-Spline, GM, 7.5 in., 7.6 in., Each

Part Number: PWT-LS247528

Not Yet Reviewed

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Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2013 GM 8.5 in. 4.11 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625"

Part Number: YGA-10408

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2011 GM 8.5 in. 3.42 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625"

Part Number: YGA-10406

Not Yet Reviewed

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USA Standard Gear Axle Shafts ZA W24122

GM 8.5" 30spl FRONT AXLE KIT, w/ 297X, 79&UP 1/2TON TRK & BLAZER (ASSM_REQ)

Part Number: SPZ-35131

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2009 GM 8.5 in. 4.56 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.5" GM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781"

Part Number: YGA-10404

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Yukon Gear & Axle Differential Carriers YDGGM12T-4-33-1

DIFFERENTIAL CARRIER

Part Number: YGA-11241

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gears 11240

12T GM 33spl HD 2.76-3.42 DURAGRIP POSITRACTION; COMPOSITE CLUTCH

Part Number: YGA-11240

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2014 GM 8.5 in. 4.56 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.5" GM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625"

Part Number: YGA-10409

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

USA Standard Gear Axle Shafts ZA W24118

GM 8.5" 28spl 4340 FRONT AXLE KIT, w/ 297X, 79-87 1/2TON TRK & BLAZER

Part Number: SPZ-35064

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2006 GM 8.5 in. 3.42 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781"

Part Number: YGA-10401

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2012 GM 8.5 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.5 in., Set

Part Number: YGA-10407

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Powertrax Grip Pro Traction Systems Dana 44 GT444430F

Differential, Grip Pro Traction System, 30-Spline, Dana 44, Front, Each

Part Number: PWT-GT444430F

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today