MERCURY GRAND MARQUIS Differential & Rear-End Components

Differential Internal Parts, Ford 8.8 in., 31 Spline, Rear, Kit

Part Number: MGR-F88BI

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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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: Today

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Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in

Part Number: RMG-3800061

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 5.14:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0017-1

5.0 out of 5 stars ( 3 )

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Differential Carrier Bearing, Steel, 3.062 in. Diameter, Each

Part Number: NTL-A36

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion Gears, Pro Series, 3.70:1 Ratio, Ford 9 in., Set

Part Number: MGR-F990370BP

5.0 out of 5 stars ( 1 )

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

Part Number: YGA-21202

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Ring and Pinion Installation Kit, Ford, 9 in., 28-Spline, Open, Kit

Part Number: MGR-F9IK

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Carrier Shims, Super, Steel, Kit

Part Number: YGA-55001

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.55:1 Ratio, Ford, 9 in., Set

Part Number: RMG-6901951

1.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, 4.88:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36127

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Estimated Ship Date: Dec 15, 2025 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: Dec 15, 2025 if ordered today

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Dura Grip Positraction Carrier, Traction-Loc, Ford 9 in., 28 Spline, Aggressive Engagement, Each

Part Number: YGA-26007

5.0 out of 5 stars ( 2 )

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Differential Crush Sleeve, Steel, Ford, 7.5 in., 8.8 in., 9.75 in., 10.25 in., 10.5 in., Each

Part Number: MGR-B7A4662A

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Ford, IRS 8.8 in., Kit

Part Number: FMS-M-4210-A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0060-1

5.0 out of 5 stars ( 1 )

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Pinion gear for 8" and 9" Ford.

Part Number: YGA-16160

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Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Feb 20, 2026 if ordered today

Gear, Ring and Pinion, EXCel, 3.89:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9389

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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: Today

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9" FORD 31spl S/G W/ HUB

Part Number: YGA-16161

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Carrier, Positraction, Nodular Iron, Ford 8.8 in., 28 Spline, Each

Part Number: SUM-730942

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Gear, Ring and Pinion, 3.08:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F88-308

3.0 out of 5 stars ( 2 )

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Axle, Direct Fit, OEM Replacement, Rear, 28-Spline, Ford, Lincoln, Mercury, Passenger Car, Each

Part Number: RNB-630-214

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Ring and Pinion Gears, 5.13:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: YGA-24111

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Estimated Ship Date: Dec 29, 2025 if ordered today

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