MERCURY COMET Differential & Rear-End Components

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

Part Number: MGR-F9-389

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Yukon Trac Loc case for Ford 9"

Part Number: YGA-20079

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

Part Number: RMG-6901771

4.8 out of 5 stars ( 5 )

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

Part Number: RMG-6900671

5.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 3.00:1 Ratio, Ford, 8 in., Set

Part Number: MGR-F880300

5.0 out of 5 stars ( 4 )

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Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890411

4.33 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 3.89:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24107

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Estimated Ship Date: Dec 15, 2025 if ordered 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 12, 2025 if ordered today

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Ring and Pinion Gears, 3.25:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36134

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.50:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24105

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24108

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Ring and Pinion Gears, 3.70:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: YGA-24106

5.0 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 6.83:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890683AX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Gear, Ring and Pinion, 4.33:1 Ratio, Ford, 9 in., Set

Part Number: RMG-6901611

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential, No-Slip Traction System, 28-Spline, Ford, 8 in., Each

Part Number: PWT-92-0680-2800

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $469.99

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Gear, Ring and Pinion, 3.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-4900381

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.25:1 Ratio, Ford, 8 in., Set

Part Number: MGR-F880325

4.2 out of 5 stars ( 5 )

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Gear, Ring and Pinion, 3.80:1 Ratio, Ford, 8 in., Set

Part Number: MGR-F880380

5.0 out of 5 stars ( 3 )

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Ring and Pinion Gears, 3.25:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: YGA-24367

3.0 out of 5 stars ( 2 )

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Gear, Ring and Pinion, EXCel, 6.50:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9650

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24109

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Gear, Ring and Pinion, 3.00:1 Ratio, Ford, 8 in., Set

Part Number: RMG-4901001

5.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 4.57:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890457

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Master Overhaul, 25 Spline, Ford 8 in., Kit

Part Number: YGA-14048

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