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Moser Engineering Ford 9 in. Third Member Assemblies

4.73 out of 5 stars 15 Customer Reviews

Moser Engineering Ford 9 in. third member assemblies are designed to help you get that horsepower to the ground. They include your choice of an aluminum, nodular iron, or stock center section, as well as a differential, an axle spline, a U-joint style yoke, pinion support, and gear ratio. Whether you're assembling a daily driver, street rod, or race car, these Moser third member assembly packages will provide the durability that your vehicle deserves.

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Results 1 - 25 of 288

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Yukon Trak-Lok, 3.70:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MNC31AN370

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Detroit Truetrac, 3.50:1 Ratio, Daytona Pinion Support,1350 Series Yoke,Each

Part Number: MSR-3MST31AN350

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Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Trak-Lok, 3.25:1 Ratio, Daytona Pinion Support,1350 Series Yoke, Each

Part Number: MSR-3MSC31AN325

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Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Nodular Iron Case, Detroit Truetrac, 4.11:1 Ratio, Daytona Pinion Support,1350 Series Yoke,Each

Part Number: MSR-3MNT35AA411

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Aluminum Case, Detroit Truetrac, 3.25:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAT31AA325

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Nodular Iron Case, Wavetrac, 3.50:1 Ratio, Daytona Pinion Support,1350 Series Yoke, Each

Part Number: MSR-3MNW35AA350

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Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Detroit Truetrac, 3.50:1 Ratio, Daytona Pinion Support,1350 Series Yoke,Each

Part Number: MSR-3MNT31AN350

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 28-Spline, Nodular Iron Case, Trak-Lok, 3.70:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MNC28AA370

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Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Aluminum Case, Spool, 4.86:1 Ratio, 10-Hole Pro Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAS35AT486P

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Aluminum Case, Spool, 4.11:1 Ratio, 10-Hole Pro Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAS35AT411P

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Aluminum Case, Detroit Truetrac, 3.70:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAT31AA370

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Nodular Iron Case, Detroit Truetrac, 3.50:1 Ratio, Daytona Pinion Support,1350 Series Yoke,Each

Part Number: MSR-3MNT35AA350

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2026 if ordered today

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Estimated Ship Date: Dec 3, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Detroit Truetrac, 3.00:1 Ratio, Daytona Pinion Support,1350 Series Yoke,Each

Part Number: MSR-3MNT31AN300

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Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Detroit Truetrac, 3.89:1 Ratio, Daytona Pinion Support,1310 Series Yoke,Each

Part Number: MSR-3MNT31BN389

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Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 33-Spline, Nodular Iron Case, Spool, 4.29:1 Ratio, 10-Hole Pro Pinion Support, 1350 Series Yoke, Each

Part Number: MSR-3MNS33AP429P

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Detroit Truetrac, 4.57:1 Ratio, Daytona Pinion Support,1350 Series Yoke,Each

Part Number: MSR-3MST31AN457

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Nodular Iron Case, Spool, 3.89:1 Ratio, Daytona Pinion Support, 1350 Series Yoke, Each

Part Number: MSR-3MNS35AN389

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Detroit Truetrac, 3.70:1 Ratio, Daytona Pinion Support,1350 Series Yoke,Each

Part Number: MSR-3MNT31AN370

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Third Member Complete Assembly, Ford 9 in., 31-Spline, Aluminum Case, Auburn Limited Slip, 3.25:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAA31AA325

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Aluminum Case, Auburn Limited Slip, 3.50:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAA31AA350

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Aluminum Case, Locker, 3.25:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAL35AA325

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Aluminum Case, Locker, 4.11:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAL35AA411

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 33-Spline, Aluminum Case, Spool, 4.29:1 Ratio, 10-Hole Pro Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAS33AP429P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Aluminum Case, Auburn Limited Slip, 4.11:1 Ratio, Daytona Pinion Support, 1350 Series Yoke,Each

Part Number: MSR-3MAA31AA411

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Aluminum Case, Locker, 4.11:1 Ratio, Daytona Pinion Support, 1310 Series Yoke,Each

Part Number: MSR-3MAL31BA411

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2026 if ordered today

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Estimated Ship Date: Dec 1, 2026 if ordered today