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Moser Engineering Ford 9 in. Third Member Assemblies

5.0 out of 5 stars 11 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 75

Center Section, 9 in. Ford, Nodular Iron Case, Truetrac, 35-Spline, Daytona Pro/Street Support, 3.70:1, Each

Part Number: MSR-3MNT35AA370

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Spool, 35-Spline Axle, Pro 10-Hole Support, 4.86:1 Ratio, Each

Part Number: MSR-3MAS35AT486P

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Third Member Complete Assembly, Ford 9 in., 35-Spline, Aluminum Case, Aluminum Main Cap, Bolt Retention, 5.14:1 Ratio, 1350 Series Yoke, Each

Part Number: MSR-3MAS35AA514P

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum, Detroit Truetrac, 31-Spline Axle, 3.70:1 Ratio, Each

Part Number: MSR-3MAT31AA370

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Third Member Assembly, Ford 9 in., Nodular Iron Case, Auburn, 31-Spline Axle, 3.50:1 Ratio, Each

Part Number: MSR-3MNA31AA350

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Center Section, 9 in. Ford, Nodular Iron, Locker, 35-Spline Axle, 3.50:1 Ratio, Each

Part Number: MSR-3MNL35AA350

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Third Member Complete Assembly, Ford 9 in., 40-Spline, Aluminum Case, Aluminum Main Cap, Bolt Retention, 4.29:1 Ratio, 1350 Series Yoke, Each

Part Number: MSR-3MAS40AT429P

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Third Member Assembly, Ford 9 in., Nodular Iron Case, Detroit Truetrac, 35-Spline Axle, 3.50:1 Ratio, Each

Part Number: MSR-3MNT35AA350

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Center Section, 9 in. Ford, Nodular Iron, Detroit Truetrac, 31-Spline Axle, 3.50:1 Ratio, Kit

Part Number: MSR-3MNT31AN350

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Center Section, 9 in. Ford, Nodular Iron, Auburn Limited Slip, 31-Spline Axle, 3.25:1 Ratio, Each

Part Number: MSR-3MNA31AA325

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Auburn, 31-Spline Axle, Daytona Pinion Support, 4.11:1 Ratio, Each

Part Number: MSR-3MAA31AA411

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

ALMCASE/LKR/31/1350PY/ALP-S/350

Part Number: MSR-3MAL31AA350

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Locker, 31-Spline Axle, Daytona Pinion Support, 4.11:1 Ratio, Each

Part Number: MSR-3MAL31BA411

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Third Member, 9 in. Ford, Aluminum Case, Locker, 35-Spline Axle, Daytona Pinion Support, 3.70:1 Ratio, Each

Part Number: MSR-3MAL35AA370

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Locker, 35-Spline Axle, Daytona Pinion Support, 3.89:1 Ratio, Each

Part Number: MSR-3MAL35AA389

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Locker, 35-Spline Axle, Daytona Pinion Support, 4.11:1 Ratio, Each

Part Number: MSR-3MAL35AA411

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Spool, 33-Spline Axle, Daytona Pinion Support, 5.14:1 Ratio, Each

Part Number: MSR-3MAS33AA514P

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Third Member Complete Assembly, Ford 9 in., 33-Spline, Aluminum Case, Aluminum Main Cap, Bolt Retention, 5.43:1 Ratio, 1350 Series Yoke, Each

Part Number: MSR-3MAS33AA543P

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Spool, 33-Spline Axle, Pro 35-Spline Support, 4.29:1 Ratio, Each

Part Number: MSR-3MAS33AP429P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Spool, 33-Spline Axle, Pro 35-Spline Support, 4.57:1 Ratio, Each

Part Number: MSR-3MAS33AP457P

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum Case, Spool, 33-Spline Axle, 10-Hole Pinion Support, 4.11:1 Ratio, Each

Part Number: MSR-3MAS33AT411P

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Third Member Complete Assembly, Ford 9 in., 33-Spline, Aluminum Case, Aluminum Main Cap, Bolt Retention, 4.86:1 Ratio, 1350 Series Yoke, Each

Part Number: MSR-3MAS33AT486P

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Nodular Iron, Locker, 31-Spline Axle, 4.11:1 Ratio, Each

Part Number: MSR-3MNL31AN411

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Center Section, 9 in. Ford, Nodular Iron, Locker, 31-Spline Axle, 4.86:1 Ratio, Each

Part Number: MSR-3MNL31AN486

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

9IN CENTER SECTION

Part Number: MSR-3MNL31BN350

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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