MERCURY Differential Carriers - 31 Axle Shaft Spline Quantity - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Eaton Detroit Truetrac 31 Spline Differential Ford 8.8 Inch 913A561

Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-913A561

4.85 out of 5 stars ( 27 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Summit Racing™ Positraction 31 Spline Differential Carriers Ford 8.8 Inch SUM-730944

Differential Carrier, Positraction, Nodular Iron, Ford 8.8 in., 31 Spline, Each

Part Number: SUM-730944

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Eaton Detroit Truetrac 31 Spline Differential Ford 9 Inch 913A586

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

Part Number: ETN-913A586

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Yukon Gear & Axle Dura Grip Positraction Carriers Ford 8.8 Inch YDGF8.8-31-1

Dura Grip Positraction Carrier, Traction-Loc, Ford 8.8 in., 31 Spline, Each

Part Number: YGA-26006

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Yukon Gear & Axle Dura Grip Positraction Carriers Ford 9 Inch YDGF9-31-SM

Dura Grip Positraction Carrier, Traction-Loc, Ford 9 in., 31 Spline, Smooth Engagement, Each

Part Number: YGA-26010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Yukon Gear & Axle Dura Grip Positraction Carriers Ford 9 Inch YDGF9-31-AG

Dura Grip Positraction Carrier, Traction-Loc, Ford 9 in., 31 Spline, Aggressive Engagement, Each

Part Number: YGA-26009

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

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 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Auburn Gear Grip-N-Loc 31 Spline Differential Ford 8.8 Inch 546054

Auburn Gear Grip-N-Loc 31 Spline Differential Ford 8.8 Inch 546054

Differential, Auburn, Grip-N-Loc, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: AUB-546054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Powertrax Lock-Right Lockers Ford 8/9 Inch 1810-LR

Differential, Lock-Right, Locker, 28/31-Spline, Ford, 9 in., Each

Part Number: PWT-1810-LR

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Auburn Gear Select-A-Loc 31 Spline Differential Ford 8.8 Inch 545002

Differential, Auburn, Locker, 31-Spline, Ford, 8.8 in., 10-Bolt, Each

Part Number: AUB-545002

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Powertrax Lock-Right Lockers Ford 8.8 Inch 1822-LR

Differential, Lock-Right, Locker, 31-Spline, Ford, 8.8 in., Each

Part Number: PWT-1822-LR

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Yukon Gear & Axle Trac-Loc Carrier Cases Ford 8.8 Inch YC F318-C

Yukon Trac Loc positraction, Ford 8.8", 31 spline, with Carbon Fiber clutches.

Part Number: YGA-20130

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Eaton Posi Performance 31 Spline Differential Ford 8.8 Inch 19588-010

Differential, Posi Performance, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-19588-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle Dura Grip Positraction Carriers Ford 8.8 Inch YDGF8.8-31-1

3.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

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Yukon Gear & Axle 31 Spline Differential Carriers Ford 8.8 Inch YC F3180-S

Differential Carrier, Open, Ford 8.8 in., 31 Spline, Complete w/Spider Gears, Each

Part Number: YGA-20070

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Yukon Gear & Axle 31 Spline Differential Carriers Ford 8.8 Inch YC F318

Differential Carrier, Limited Slip, Ford 8.8 in., 31 Spline, Each

Part Number: YGA-20069

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Powertrax Grip LS Traction Systems Ford 9 Inch LS109031

Differential, Grip LS Traction System, 31-Spline, Ford, 9 in., Each

Part Number: PWT-LS109031

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Powertrax Grip Pro Traction Systems Ford 8.8 Inch GT108831

Differential, Grip Pro Traction System, 31-Spline, Ford, 8.8 in., Each

Part Number: PWT-GT108831

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Auburn Gear Grip-N-Loc 31 Spline Differential Ford 9 Inch 546036

Differential, Auburn, Grip-N-Loc, Limited Slip, 31-Spline, Ford, 9 in., Each

Part Number: AUB-546036

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Yukon Gear & Axle 31 Spline Differential Carrier Cases Ford 8.8 Inch YC F880502

Differential Carrier Cases, Ford 8.8 in., 31 Spline, 0.875 in. X-Pin Hole, Each

Part Number: YGA-20077

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

Yukon Gear & Axle Trac-Loc Carrier Cases Ford 8 Inch YDGF8-31-SM

Yukon Trac-Loc for Ford 8" wtih 31 spline axles. Street Design

Part Number: YGA-26004

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-31-LB

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 9 in., Each

Part Number: YGA-28033

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

Powertrax No-Slip Traction Systems 9206883108

Differential, No-Slip Traction System, 31-Spline, Ford, 8.8 in., Each

Part Number: PWT-92-0688-3108

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Motive Gear 31 Spline Differential Carrier Cases M4204F318

Differential, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: MGR-M4204F318

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

Powertrax Grip Pro Traction Systems Ford 9 Inch GT109031

Differential, Grip Pro Traction System, 31-Spline, Ford, 9 in., Each

Part Number: PWT-GT109031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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Estimated Ship Date: Monday 9/22/2025

Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-31-RACE

Differential Carrier, Grizzly Locker, Rear, Ford 9 in., 31-spline, Each

Part Number: YGA-28010

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today