1991 FORD MUSTANG Differential & Rear-End Components

Differential Covers, Differential Girdles, 10-bolt, Aluminum, Natural, Ford 8.8 in., Each

Part Number: DMG-5R3Z-4033-B

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 3.89:1 Ratio, Ford, 8.8 in., 10-Bolt, Set

Part Number: RMG-F88389

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16064

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Crosspin Shaft, Steel, 0.750 in. Diameter, Each

Part Number: YGA-33332

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 28 Spline, 7.5 in. Ring Gear, Ford 7.5/7.5 in. IRS, Set

Part Number: YGA-24339

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential, Electronic E Locker, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-19660-010

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Differential Carrier Clutches, OEM-style Discs and Plates, Steel Clutch Pack, Torsen, Rear, Ford 8.8 in. Ring Gear, Ford, Lincoln, Mazda, Mercury, Kit

Part Number: RNB-697-780

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 29.000 in. Length, Each

Part Number: MGR-MG1231

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36126

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.8 FORD 3.55 REAR R&P GEAR/ INSTALL KIT PACKAGE with 31spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12549

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.8" Ford, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10679

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Axles, Direct Fit, 1541H Steel, 31-Spline Aftermarket Carrier, Ford, 8.8 in., 4 x 4.25 in. bolt pattern, Kit

Part Number: SUM-700125

3.2 out of 5 stars ( 5 )

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Ring and Pinion Gears, 3.55:1 Ratio, 10-bolt, Standard Rotation, Ford 8.8 in., Set

Part Number: SPZ-36122

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 7.5/8.8 in., Ford/Mercury, Each

Part Number: YGA-21179

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Mini Spool, MINI SPOOL 8.8 FORD 31SPL

Part Number: RMG-XL-5116

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Ring and Pinion Gears, Ford 8.8 in., 3.27:1 Ratio, 30-spline, Standard Rotation, Ford 8.8 in., Set

Part Number: SVL-2020630

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 19, 2026 if ordered today

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Gear, Ring and Pinion, 4.10:1 Ratio, Ford 7.5 in., Set

Part Number: RNB-697-317

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Differential, No-Slip Traction System, 28-Spline, Ford, 8.8 in., Each

Part Number: PWT-92-0688-2807

5.0 out of 5 stars ( 1 )

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Differential Carrier, Posi Performance, Limited Slip, 28-Spline, Clutch Type, for 10-Bolt Cover, Ford, 8.8 in., Steel, Natural Finish, Each

Part Number: ETN-19605-010

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.8 FORD 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12556

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Differential Cover, 10-bolt, Steel, Chrome, Ford 7.5 in., Each

Part Number: YGA-32008

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Spider Gear Kit, Open Differential, Ford 7.5 in., 28 Spline, Kit

Part Number: YGA-16014

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Differential Cover, Steel, Chrome, Ford, 8.8 in., Each

Part Number: MRG-9893G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Differential Side Bearing Spacer; Solid Differential Spacer; Fits Ford 8.8 in.

Part Number: RMG-04-0011-1

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Axle Shaft, 28-Spline, 29.156 in. Length, Driver Side Rear, Ford, Each

Part Number: SPZ-35007

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