MERCURY COUGAR Differential & Rear-End Components

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

Part Number: RMG-79-0045-1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 8 in., Each

Part Number: ETN-912A616

5.0 out of 5 stars ( 9 )

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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 )

Estimated Ship Date: Feb 9, 2026 if ordered 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, Eaton Detroit Locker, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-187C145A

5.0 out of 5 stars ( 6 )

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

Part Number: ETN-187SL17B

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Jul 30, 2025 if ordered today

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Gear, Pro Ring and Pinion, 3.60:1 Ratio, Ford, 9 in., Set

Part Number: RMG-7900031

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Ring and Pinion Gears and Installation Kit, 8.0" FORD 3.80 REAR R&P GEAR/ INSTALL KIT PACKAGE; FITS POSI OR LOCKER w/ 1.781" BEARING JOURNAL

Part Number: YGA-12518

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Estimated Ship Date: Aug 29, 2025 if ordered today

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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 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Gear, Ring and Pinion, 5.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-7900781

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Estimated Ship Date: Aug 18, 2025 if ordered 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: Aug 29, 2025 if ordered today

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Gear, Ring and Pinion, 6.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0021-1

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Differential Carrier, Limited Slip, Ford 8.8 in., 31 Spline, Each

Part Number: YGA-20069

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 8.8 in., Each

Part Number: YGA-28031

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Aug 29, 2025 if ordered today

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

Part Number: RMG-79-0005-1

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 9 in., Each

Part Number: YGA-28033

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Estimated Ship Date: Aug 29, 2025 if ordered today

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

Part Number: YGA-28008

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Estimated Ship Date: Aug 29, 2025 if ordered today

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Grizzly Locker, Ford 9.0 in., 31 Spline, Each

Part Number: YGA-28009

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Estimated Ship Date: Aug 29, 2025 if ordered today

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

Part Number: ETN-187S13D

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 22, 2025 if ordered today

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Axle Differential Case, Ford 9 in., Aluminum, 3.250 in. Bearing Bore, 33, 35, 40 Spline, Each

Part Number: YGA-32035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 29, 2025 if ordered today

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Nodular Housing

Part Number: MGR-26306A

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Gear, Ring and Pinion, 6.20:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0023-1

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Grizzly Locker, Ford 9.0 in., 35 Spline, Each

Part Number: YGA-28011

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Estimated Ship Date: Sep 3, 2025 if ordered today

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9" Yukon 3.250" aluminum case, HD Drop Out housing, W/LOAD bolt.

Part Number: YGA-32152

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Estimated Ship Date: Aug 29, 2025 if ordered today

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