1999 CHEVROLET 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 Detroit Truetrac 30 Spline Differential GM 10.5 Inch (14-bolt) 915A545

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Summit Racing™ Ring and Pinion and Differential Pro Packs 14-0080

Combo, Differential, Eaton Truetrac, Ring and Pinion, 3.73:1 Ratio, Install Kit, 30 Spline, Rear, GM 8.5 in./8.6, Kit

Part Number: CMB-14-0080

Not Yet Reviewed

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Summit Racing™ Ring and Pinion and Differential Pro Packs 14-0082

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

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ARB Air Locker 30 Spline Differential GM 10.5 Inch (14-bolt) RD114

Differential Carrier, Air Locker, Nodular Iron, 30-spline, Rear, GM 10.5 in. (14-bolt), Chevy, GMC, Kit

Part Number: ARB-RD114

Not Yet Reviewed

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Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-221 GM 8.25 in. IFS/GM 8.625 in. 4.56 Gears

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

Part Number: MGR-MGK-221

Not Yet Reviewed

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Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545022

Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545022

Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545022

Not Yet Reviewed

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Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2119 GM 10.5 in. (14-bolt) 4.11 Gears

Ring and Pinion Gears,Yukon Gear & Axle 10.5" GM 14 Bolt, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10519

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2122 GM 10.5 in. (14-bolt) 4.88 Gears

Ring and Pinion Gears,Yukon Gear & Axle 10.5" GM 14 Bolt, 4.88 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10522

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Spicer Drivetrain Products 37 Spline Differential Carriers Dana 80 708097

Differential Carrier Case Kit Loaded Assy. (Dana 80 Limited Slip) 4.10 & Up

Part Number: SDH-708097

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

ARB Air Locker 33 Spline Differential AAM 9.25/9.50 14-bolt RD197

Differential Carrier, Air Locker, Nodular Iron, Kit

Part Number: ARB-RD197

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Auburn Gear Select-A-Loc 35 Spline Differential Dana 60 545023

Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545023

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Eaton Electronic ELocker 35 Spline Differential Dana 60/60-HD 14023-010

4 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eaton Detroit Lockers GM 9.5 Inch 225C135A

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

Part Number: ETN-225C135A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Motive Gear Performance Ring and Pinion Sets V885373L Corvette C5/C6 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, Chevy, C-5, C-6, Set

Part Number: MGR-V885373L

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Eaton Detroit Lockers GM 8.5/8.6 Inch 187C148A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2246

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10701

Not Yet Reviewed

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Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-220 GM 8.25 in. IFS/GM 8.625 in. 4.30 Gears

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

Part Number: MGR-MGK-220

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers Dana 70/70-U YDGD70-3-35

Differential Carrier, Dura Grip Positraction, Clutch-type, 35-spline, Nodular Iron, Dana 70, Dana 70-U, Each

Part Number: YGA-26044

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Powertrax Grip Pro Traction Systems GM 10.5 Inch GT231430

Differential Carriers, Grip Pro Traction System, 30 Spline, 10.5 in. GM, Each

Part Number: PWT-GT231430

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

ARB Air Locker 35 Spline Differential Dana 70/80 RD172

Differential Carrier, Air Locker, Nodular Iron, Kit

Part Number: ARB-RD172

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2005

Ring and Pinion Gears,USA Standard 8.5" GM, 4.88 Ratio Rear Ring & Pinion GearInstall Kit 30

Part Number: SPZ-10716

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2018

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

Part Number: SPZ-10729

Not Yet Reviewed

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USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2002

Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 30

Part Number: SPZ-10713

Not Yet Reviewed

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USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2017

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

Part Number: SPZ-10728

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow if ordered today

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USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2245

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10700

Not Yet Reviewed

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Yukon Gear & Axle Ring and Pinion Gear and Differential Combos YGK2018

Ring and Pinion Gears,Yukon Gear & Axle 8.6" GM, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: YGA-10413

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today