Differential Carriers - GM Manufacturer of Axle - Front Axle Location - 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 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

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: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Eaton Posi Performance 28 Spline Differential GM 8.5 Inch 19557-010

Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each

Part Number: ETN-19557-010

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Powertrax Lock-Right Lockers GM 8.5 Inch 1920-LR

Differential, Lock-Right, Locker, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-1920-LR

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

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: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

USA Standard Gear Spartan Lockers GM 8.5 Inch SL GM8.5-28

Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: SPZ-17040

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Yukon Gear & Axle 28/30 Spline Differential Carrier Cases GM 8.5 Inch YC G26010481

Differential Carrier Cases, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20083

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Powertrax Lock-Right Lockers GM 8.5 Inch 1921-LR

Differential, Lock-Right, Locker, 30-Spline, GM, 8.5 in., Each

Part Number: PWT-1921-LR

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Powertrax Lock-Right Lockers Chrysler 9.25 Inch 1950-LR

Differential, Lock-Right, Locker, 33-Spline, GM, 9.2 in./9.5 in., Each

Part Number: PWT-1950-LR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

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: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Eaton Detroit Truetrac 28 Spline Differential GM 8.5 Inch 912A557

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

Part Number: ETN-912A557

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

USA Standard Gear Spartan Lockers GM 8.5 Inch SL GM8.5-30

Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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 Spline Differential Carrier Cases GM 8.25 Inch, IFS YC G26067130

Differential Carrier, Open, GM 8.25 in. IFS, Cadillac, Chevy, GMC, 3.42 and up, Each

Part Number: YGA-20131

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Eaton Detroit Lockers GM 8.5 Inch 187C149A

Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Yukon Gear & Axle 28/30 Spline Differential Carrier Cases GM 8.5 Inch YC G26010481-XHD

Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

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 28 Spline Differential Carriers GM 8.25 Inch, IFS YC G26018131

Differential Carrier, Open Differential Style, 28-spline, Steel, Front, GM 8.25 in., IFS, Cadillac, Chevy, GMC

Part Number: YGA-20086

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Yukon Gear & Axle 28 Spline Differential Carrier Cases GM 7.6 Inch IFS YC G12479242

Standard open case for GM 7.625" IFS front, fits all ratios

Part Number: YGA-20139

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

Auburn Gear Select-A-Loc 28 Spline Differential GM 8.5 Inch 545003

Auburn Gear Select-A-Loc 28 Spline Differential GM 8.5 Inch 545003

Differential, Select-A-Loc, 28-Spline, GM, 8.5 in., 10-Bolt, Each

Part Number: AUB-545003

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Estimated Ship Date: Monday 1/19/2026

Richmond Gear EXCel Spline Differential Carrier Cases GM 9.25 Inch, IFS XL-5055

Differential Carrier

Part Number: RMG-XL-5055

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

Richmond Gear EXCel Spline Differential Carrier Cases GM 8.25 Inch, IFS XL-5042

Differential Carrier

Part Number: RMG-XL-5042

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 28/30 Spline Differential Carrier Cases GM 8.5/8.6 Inch YC GM8.5-DG-3

Yukon Dura Grip case, GM 8.5" & 8.6", 2.73 & up

Part Number: YGA-20107

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 26 Spline Differential Carriers GM 7.2 Inch, IFS YC G46002013

Differential Carrier, Open Differential Style, 26-spline, Steel, Front, GM 7.2 in., IFS, Chevy, GMC, Olds

Part Number: YGA-20117

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

Motive Gear 33 Spline Differential Carrier Cases 14038087

Differential, Open, Empty, GM, 9.5 in., Each

Part Number: MGR-14038087

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today