Differential Carriers - 12 Cover Bolts - 4 Carrier Series

Eaton Detroit Truetrac 30 Spline Differential GM 8.875 Inch (12-bolt), truck 913A315

Differential Carrier, Detroit Truetrac, Helical Gear Style, Steel, for 30-Spline Axle Shaft/3.73/Numerically Higher, GM 8.875 in./12-Bolt Truck, Each

Part Number: ETN-913A315

4.59 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Summit Racing™ Positraction 30 Spline Differential Carriers GM 8.875 Inch (12-bolt), truck SUM-730956

Differential Carrier, Positraction, Nodular Iron, GM 8.875 in. Truck, 3.73 Up 4 series, 30-spline, Rear, Each

Part Number: SUM-730956

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.875 Inch (12-bolt), truck YDGGM12T-4-30-1

Differential Carrier, Dura Grip Positraction, Traction-Lok, 30-spline, Rear, GM 8.875 in. Truck, Each

Part Number: YGA-26035

3.25 out of 5 stars ( 4 )

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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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Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt) 19555-010

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 4 Series, Each

Part Number: ETN-19555-010

5.0 out of 5 stars ( 1 )

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Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt), truck 546032

Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt), truck 546032

Differential, Auburn, Grip-N-Loc, Limited Slip, 30-Spline, GM, 8.875 in. (12-Bolt) Truck, Each

Part Number: AUB-546032

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Eaton Detroit Lockers GM 8.875 Inch (12-bolt), truck 187C150A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.875 in., Each

Part Number: ETN-187C150A

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

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: Today

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Eaton Detroit Truetrac 33 Spline Differential GM 8.875 Inch (12-bolt) 914A575

Differential, Eaton Detroit Truetrac, 33 Spline, GM 8.875 in., Each

Part Number: ETN-914A575

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Powertrax Grip LS Traction Systems GM 8.875 Inch (12-bolt) LS241230

Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 4 Series Carrier, Each

Part Number: PWT-LS241230

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2026 if ordered today

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Estimated Ship Date: Dec 29, 2026 if ordered today

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: Dec 29, 2026 if ordered today

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Estimated Ship Date: Dec 29, 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 )

Estimated Ship Date: Today

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Yukon Gear & Axle 30/33 Spline Differential Carrier Cases GM 8.875 Inch (12-bolt) YC GM12P-DG-4

GM 12P DURA GRIP case, bare, 4.10 & up, 30spline & 33spline

Part Number: YGA-20105

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.875 Inch (12-bolt) 546031

Differential, Auburn, Grip-N-Loc, Limited Slip, 30-Spline, GM, 8.875 in. (12-Bolt) Passenger Car, Each

Part Number: AUB-546031

Not Yet Reviewed

Estimated Ship Date: Today

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Moser Engineering Wavetrac 35 Spline Differential GM 8.875 Inch (12-bolt) 5W1235-4

Differential Carrier, Wavetrac, Limited Slip, 12-bolt, 35-spline, Steel, Rear, GM 8.875 in, Chevy, Each

Part Number: MSR-5W1235-4

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today