GMC K2500 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 8.5/8.6 Inch 913A481

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.5/8.6 in., 2.73 & up, Each

Part Number: ETN-913A481

4.85 out of 5 stars ( 135 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Positraction 28 Spline Differential Carriers GM 8.5 Inch SUM-730966

Differential Carrier, Positraction, Nodular Iron, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730966

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Eaton Detroit Truetrac 28 Spline Differential GM 8.5 Inch 912A556

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Rear, Each

Part Number: ETN-912A556

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Tomorrow

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Motive Gear Performance Ring and Pinion Sets G885410 GM 8.5/8.6 in. 4.10 Gears

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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Richmond Gear Ring and Pinion Sets 69-0165-1 GM 8.5/8.6 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901651

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Eaton Detroit Lockers GM 10.5 Inch (14-bolt) 225S10

Differential, Eaton Detroit Locker, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-225S10

4.96 out of 5 stars ( 25 )

Estimated Ship Date: Tomorrow

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Richmond Gear Ring and Pinion Sets 49-0278-1 GM 8.5/8.6 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4902781

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG GM14T-342 GM 10.5 in. (14-bolt) 3.42 Gears

Ring & Pinion Gear, 3.42 Ratio, GM, 10.5 in. 14-Bolt, Set

Part Number: YGA-24466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Hurst Limited-Slip 30 Spline Differential GM 8.875 Inch (12-bolt), truck 02-125

Differential, Posi Performance, Limited Slip, 30-Spline, 3.73 Gear Ratios, GM, 12-Bolt, Each

Part Number: HUU-02-125

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-390 GM 8.5/8.6 in. 3.90 Gears

Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: YGA-24159

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Powertrax No-Slip Traction Systems GM 8.5 Inch 9207852805

Differential, No-Slip Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-9207852805

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Sets GM10-273 GM 8.5/8.6 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-GM10-273

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Sets GM10-390 GM 8.5/8.6 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Richmond Gear Ring and Pinion Sets 69-0167-1 GM 8.5/8.6 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Grizzly Lockers Dana 44 YGLD44-4-30

Grizzly Locker, Dana 44, 30 Spline, 3.92 Up Ratio, Each

Part Number: YGA-28001

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Sets GM10-411 GM 8.5/8.6 in. 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-411

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Motive Gear Ring and Pinion Sets GM10-456IFS GM 8.25 in. IFS 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.25 in., IFS Front, Set

Part Number: MGR-GM10-456IFS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Motive Gear Performance Ring and Pinion Sets G885430 GM 8.5/8.6 in. 4.30 Gears

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885430

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Dura Grip Positraction Carriers Chrysler 9.25/GM 9.5 Inch YDGGM9.5-33-1

Differential Carrier, Dura Grip Positraction, Clutch-type, 33-spline, Chevy, Dodge, GMC, Hummer, Ram, Each

Part Number: YGA-26025

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Motive Gear Performance Ring and Pinion Sets G885488IFS GM 8.25 in. IFS 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.25 in., Set

Part Number: MGR-G885488IFS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Eaton Posi Performance 30 Spline Differential GM 10.5 Inch (14-bolt) 19610-010

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

Part Number: ETN-19610-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G885411IFS GM 8.25 in. IFS 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.25 in., Set

Part Number: MGR-G885411IFS

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Richmond Gear EXCel Ring and Pinion Sets GM825410 GM 8.25 in. IFS 4.10 Gears

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-273 GM 8.5/8.6 in. 2.73 Gears

Ring and Pinion Gear, 2.73:1 Ratio, GM 8.5/8.6, 10 Bolt Cover, 30 Spline, 10 Ring Gear Bolts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: YGA-24490

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Hurst Limited-Slip 30 Spline Differential GM 8.875 Inch (12-bolt), truck 02-124

Differential, Posi Performance, Limited Slip, 30-Spline, 2.76-3.42 Gear Ratios, GM, 12-Bolt, Each

Part Number: HUU-02-124

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Powertrax No-Slip Traction Systems GM 10.5 Inch (14-bolt) 9207053000

Differential, No-Slip Traction System, 30-Spline, GM 10.5 in., Each

Part Number: PWT-92-0705-3000

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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