1990 GMC Differential & Rear-End Components Transmission & Drivetrain

Eaton Detroit Truetrac 33 Spline Differential GM 9.5 Inch 914A538

Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Positraction 30 Spline Differential Carriers GM 10.5 Inch (14-bolt) SUM-730987

Differential Carrier, Positraction, 30-spline, Steel, Rear, Chevy, GMC, GM 10.5 in. 14-bolt, Each

Part Number: SUM-730987

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Dura Grip Positraction Carriers GM 10.5 Inch (14-bolt) YDGGM14T-3-30-1

Differential Carrier, Limited Slip, 30-Spline, GM 10.5 in. (14-bolt), Steel, Rear, for 4.10 and Numerically Lower Ratios, Chevy, GMC, Each

Part Number: YGA-26030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Eaton Posi Performance 28 Spline Differential GM 7.5/7.625 Inch 19599-010

Differential, Posi Performance, Limited Slip, 28-Spline, for use on GM, 7.625 in., Each

Part Number: ETN-19599-010

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2238 GM 7.5/7.625 in. 3.73 Gears

Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10638

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Eaton Detroit Truetrac 30 Spline Differential GM 10.5 Inch (14-bolt) 915A547

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Trac Loc Positraction Internals YPKD60-P/L-35

Differential Carrier Components, Trac Loc Positraction Internals, 35 Spline, Dana 60/70, 35 Spline Axles, Kit

Part Number: YGA-16008

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Locking Hubs YHC70001

Locking Hub, Aluminum, 35-Spline, Dana 60, Chevy, Dodge, Ford, GMC, Pair

Part Number: YGA-29082

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-213 GM 8.5 in. 4.56 Gears

DIFFERENTIAL

Part Number: MGR-MGK-213

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2239 GM 7.5/7.625 in. 4.11 Gears

Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10639

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Powertrax Grip LS Traction Systems GM 8.5 Inch LS201030

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

Part Number: PWT-LS201030

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2235 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.08 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10635

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Eaton Posi Performance 30 Spline Differential GM 10.5 Inch (14-bolt) 19689-010

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19689-010

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2237 GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM 7.5/7.625 in., Set

Part Number: YGA-10637

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Powertrax Lock-Right Lockers Dana 60 2610-LR

Differential, Lock-Right, Locker, 30-Spline, Dana 60, Each

Part Number: PWT-2610-LR

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

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: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-217 GM 8.25 in. IFS/GM 8.5 in. 4.56 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-217

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

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: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2120 GM 10.5 in. (14-bolt) 4.56 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 4.56 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10833

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Powertrax Grip Pro Traction Systems Dana 60 GT436035

Differential, Grip Pro Traction System, 35-Spline, Dana 60, Each

Part Number: PWT-GT436035

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 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

Estimated Ship Date: Tomorrow

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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: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Summit Racing™ Positraction 33 Spline Differential Carriers GM 9.5 Inch SUM-730988

Differential Carrier, Positraction, Clutch-type, 33-spline, Chevy, GMC, Hummer, Each

Part Number: SUM-730988

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow