EATON Differential Carriers Differential & Rear-End Components Transmission & Drivetrain - 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: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

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: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Posi Performance 30 Spline Differential GM 8.875 Inch (12-bolt) 19554-010

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 3 Series, Each

Part Number: ETN-19554-010

4.68 out of 5 stars ( 22 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 35 Spline Differential Ford 10.25/10.50 Inch 915A550

Differential, Eaton Detroit Truetrac, 35-Spline, Ford, 10.25 in./10.5 in., Full Floater Only, Each

Part Number: ETN-915A550

4.88 out of 5 stars ( 33 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 30 Spline Differential Chrysler 8.75 Inch 913A572

Differential, Eaton Detroit Truetrac, 30-Spline, Chrysler, 8.75 in., Each

Part Number: ETN-913A572

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

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 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 32 Spline Differential GM 8.6 Inch IRS/ 218mm, AAM 912A686

Differential, Detroit Truetrac, 32-Spline, Chevy, 218mm AAM, Each

Part Number: ETN-912A686

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Posi Performance 28 Spline Differential GM 8.2 Inch 19603-010

Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.2 in., Each

Part Number: ETN-19603-010

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 29 Spline Differential AMC Model 20 912A579

Differential, Detroit Truetrac, 29-Spline, Hummer/AMC 20 IRS, 3.08:1 + Higher, Each

Part Number: ETN-912A579

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

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 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 28 Spline Differential Ford 8 Inch 912A616

Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 8 in., Each

Part Number: ETN-912A616

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

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 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 33 Spline Differential GM 9.5/9.76 Inch 917A732

Differential Carrier, Detroit Truetrac, GM 9.5/9.76 in., 33-spline Axle Shaft, Designed for 3.42-3.73 Gear Ratios, Rear, Cadillac, Chevy, GMC, Each

Part Number: ETN-917A732

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

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: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 28 Spline Differential GM 7.75 Inch IRS 912A642

Differential, Eaton Detroit Truetrac, 28-Spline, Pontiac, Each

Part Number: ETN-912A642

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Lockers Ford 8.8 Inch 187C145A

Differential, Eaton Detroit Locker, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-187C145A

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 35 Spline Differential Dana 60 915A387

Differential, Eaton Detroit Truetrac, 35-Spline, Dana 60 HD, 4.10 & down, Each

Part Number: ETN-915A387

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Posi Performance 28 Spline Differential GM 8.2 Inch, BOP axle 19674-010

Differential, Posi Performance, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each

Part Number: ETN-19674-010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

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: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Lockers Ford 9 Inch 187SL17B

Differential, Eaton Detroit Locker, 31-Spline, Ford, 9 in., Each

Part Number: ETN-187SL17B

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Truetrac 29 Spline Differential Chrysler 8.25 Inch 912A553

Differential, Eaton Detroit Truetrac, Limited Slip, 29-Spline, Chrysler, 8.25 in., Each

Part Number: ETN-912A553

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

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: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Posi Performance 17 Spline Differential GM 8.5 Inch, Corvette 19670-010

Differential, Posi Performance, Limited Slip, 17-Spline, Chevy, 8.5 in., Each

Part Number: ETN-19670-010

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Aug 28, 2025 if ordered today

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Estimated Ship Date: Aug 28, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.5 Inch, Corvette YDGGMVET-3-17-1

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Eaton Detroit Truetrac 35 Spline Differential Dana 80 915A567

Differential, Detroit Truetrac, 35-Spline, Dana 80, 3.73:1+ Lower, Each

Part Number: ETN-915A567

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025

Eaton Detroit Lockers Dana 44 187SL16C

Differential, Eaton Detroit Locker, 30-Spline, Dana 44, Each

Part Number: ETN-187SL16C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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Estimated Ship Date: Monday 8/4/2025