FORD THUNDERBIRD Differential & Rear-End Components

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

Part Number: ETN-913A586

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, 28-Spline, Ford, 8.8 in., Each

Part Number: ETN-912A562

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Differential Carrier, Dura Grip Positraction, Traction-Lok, 28-spline, Rear, Ford 7.5 in., Ford, Mercury, Each

Part Number: YGA-26034

4.75 out of 5 stars ( 8 )

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

Part Number: MGR-F8-8-488

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.30:1 Ratio, Ford, 8.8 in., Set

Part Number: RMG-6903761

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: YGA-20130

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: RMG-79-0066-1

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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, 4.88:1 Ratio, Ford, 8.8 in., Set

Part Number: RMG-6903821

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: PWT-LS109031

Not Yet Reviewed

Estimated Ship Date: Today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $701.99

Rebate Expires: 12/31/2025

Get $35 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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Differential, No-Slip Traction System, 28-Spline, Ford, 9 in., Each

Part Number: PWT-92-0690-2800

Not Yet Reviewed

Estimated Ship Date: Today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $582.99

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, 3.75:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890375

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Differential, Lock-Right, Locker, 28-Spline, Ford, 7.5 in., Each

Part Number: PWT-1830-LR

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $656.99

Rebate Expires: 12/31/2025

Get $35 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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Differential, Lock-Right, Locker, 28-Spline, Ford, 8.8 in., Each

Part Number: PWT-1820-LR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Feb 4, 2026 if ordered today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $535.99

Rebate Expires: 12/31/2025

Get $35 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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Ring & Pinion Gear, 3.00 Ratio, Ford, 9.0 in. Rear, Set

Part Number: YGA-24363

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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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

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Gear, Ring and Pinion, 6.14:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890614AX

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, 1.625 in. Pinion, 28 Spline, 7.500 in. Ring Gear, Ford 7.5 in, Set

Part Number: YGA-24336

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Differential Carrier Rebuild Kit, Traction-Lok, Clutch Pack, Clutch Shims, Roll Pin, Rear, Ford 9 in., Kit

Part Number: YGA-16027

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Ring & Pinion Gear, 5.13 Ratio, Ford, 8.8 in., Set

Part Number: YGA-24100

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Gear, Ring and Pinion, 7.33:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890733AX

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, 1.625 in. Pinion, 8.800 in. Ring Gear, Ford 8.8 in., Set

Part Number: YGA-24098

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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