MERCURY COMET Differential & Rear-End Components

Gear, Ring and Pinion, 5.43:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890543

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Ring and Pinion Installation Kit, Ford 9 in., Ford/Mercury, Kit

Part Number: MGR-R9R325

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Estimated Ship Date: Today

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Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

Gear, Ring and Pinion, EXCel, 3.70:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9370

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 28-spline, Rear, Ford 8 in., Each

Part Number: YGA-28006

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Ring and Pinion Installation Kit, 28-spline, 10-bolt, Ford 9 in., Rear, Kit

Part Number: MGR-R9RMKT

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 8 in., Set

Part Number: RMG-6900641

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Differential, Grip Pro Traction System, 28-Spline, Ford, 8 in., Each

Part Number: PWT-GT108028

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $753.99

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, 5.67:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0007-1

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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

Part Number: MGR-F9IKN

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: MGR-F890300

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Installation Kit, Ford, 8 in., Kit

Part Number: RAT-3007K

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Differential Carriers, Trac-Loc Carrier Cases, Ford 8 in., Clutch-type, 10-bolt, 28-spline, Does Not Include Spider Gears, Rear, Ford 8 in., Each

Part Number: YGA-20075

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pinion Spacer and Shims, Steel, Ford, 7.5 in, 8.8 in., 9 in., Set

Part Number: RMG-04-0011-S

4.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

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

Part Number: MGR-F890486

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-F9-IO28

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: RMG-79-0054-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Grizzly Locker, Ford 9.0 in., 28 Spline, Each

Part Number: YGA-28008

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

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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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Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Ford, 8 in., 10-Bolt, 25-Spline Pinion, Kit

Part Number: RMG-8310151

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Bearing, Differential Carrier, Kit

Part Number: TMK-SET47

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential, Eaton Detroit Locker, 28-Spline, Ford, 8 in., Each

Part Number: ETN-187S13D

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Full Spool

Part Number: MGR-FS9-35LW

Not Yet Reviewed

Estimated Ship Date: Today

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