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National 710414 Axle Spindle Seal - Front OuterOE Quality 60-Day Returns
Part #: 710414

National 710414 Axle Spindle Seal - Front Outer

Front Outer
15 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, F-250, F-350, and F-250 HD
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Axle Spindle Seal for Ford Front Outer Applications

The National 710414 axle spindle seal is a PTFE oil seal built for front outer driveline sealing on select Ford trucks. It is engineered to match the specified housing bore, shaft size, and width for a precise service replacement.

  • PTFE seal material for durable sealing performance
  • Housing bore: 2.500 in. / 63.500 mm
  • Outside diameter: 2.512 in. / 63.800 mm
  • Shaft size: 1.500 in. / 38.100 mm
  • Width: 0.354 in. / 9.000 mm
  • Oil seal design for axle spindle service
  • National 710414 and series 710400 identification

Fitment Details

  • Fits 1993-1998 Ford F-250, Front Outer, with Spicer 50.5 Axle(s); with 9 in Ring Gear; Independent Front Suspension
  • Fits 1992-1998 Ford F-350, Front Outer, with Spicer 60-7F Axle(s); with 9.75 in Ring Gear
  • Fits 1997 Ford F-250 HD, Front Outer, with Spicer 50.5 Axle(s); with 9 in Ring Gear; Independent Front Suspension
  • Fits 1997 Ford F-250 HD, Front Outer, with Spicer 60-7F Axle(s); with 9.75 in Ring Gear

Detailed Description

National 710414 is an axle spindle seal designed for front outer service on Ford F-250, Ford F-350, and Ford F-250 HD applications listed above. The PTFE sealing material is selected for controlled contact at the shaft surface, while the 2.500-inch housing bore, 1.500-inch shaft size, and 0.354-inch width help support a proper fit in the specified axle assembly. This part cross-references SKF 14634 and Spicer 44506 for the same application.

Common Repair Uses

  • Replacing a leaking front outer axle spindle seal
  • Addressing gear oil seepage around the spindle area
  • Restoring sealing at the axle shaft interface
  • Correcting contamination from worn or hardened seal material
  • Servicing front axle components on Ford F-250 and Ford F-350 trucks

Installation Notes and Tips

Verify axle type, ring gear size, and front outer position before installation. Confirm the housing bore, shaft diameter, and seal width against the removed part to ensure the correct National 710414 replacement. Clean the sealing surface and inspect the spindle and shaft for wear, scoring, or corrosion before assembly.

Quality Assurance

National has supplied sealing solutions for more than 75 years and continues to develop sealing components for current vehicle service needs. The 710414 reflects that focus on dimensional accuracy and application-specific sealing for driveline repair.

BrandNational
Part Number710414
Housing Bore (Inch)2.500
Housing Bore (MM)63.500
MaterialPTFE
Outside Diameter (Inch)2.512
Outside Diameter (mm)63.800
Part DescriptionOil Seal
Series710400
Shaft (Inch)1.500
Shaft (MM)38.100
Type35
Unit of DimensionInch
Width (Inch)0.354
Width (mm)9.000

This part fits 15 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1998FordF-2504WDFront Outerwith Spicer 50.5 Axle(s); with 9 (in) Ring Gear; Independent Front Suspension
1998FordF-350Front Outerwith Spicer 60-7F Axle(s); with 9.75 (in) Ring Gear
1997FordF-2504WDFront Outerwith Spicer 50.5 Axle(s); with 9 (in) Ring Gear; Independent Front Suspension
1997FordF-250 HD4WDFront Outerwith Spicer 50.5 Axle(s); with 9 (in) Ring Gear; Independent Front Suspension
1997FordF-250 HD4WDFront Outerwith Spicer 60-7F Axle(s); with 9.75 (in) Ring Gear
1997FordF-3504WDFront Outerwith Spicer 60-7F Axle(s); with 9.75 (in) Ring Gear
1996FordF-2504WDFront Outerwith Spicer 50.5 Axle(s); with 9 (in) Ring Gear; Independent Front Suspension
1996FordF-3504WDFront Outerwith Spicer 60-7F Axle(s); with 9.75 (in) Ring Gear
1995FordF-2504WDFront Outerwith Spicer 50.5 Axle(s); with 9 (in) Ring Gear; Independent Front Suspension
1995FordF-3504WDFront Outerwith Spicer 60-7F Axle(s); with 9.75 (in) Ring Gear
1994FordF-2504WDFront Outerwith Spicer 50.5 Axle(s); with 9 (in) Ring Gear; Independent Front Suspension
1994FordF-3504WDFront Outerwith Spicer 60-7F Axle(s); with 9.75 (in) Ring Gear
1993FordF-2504WDFront Outerwith Spicer 50.5 Axle(s); with 9 (in) Ring Gear; Independent Front Suspension
1993FordF-3504WDFront Outerwith Spicer 60-7F Axle(s); with 9.75 (in) Ring Gear
1992FordF-3504WDFront Outerwith Spicer 60-7F Axle(s); with 9.75 (in) Ring Gear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

146344450648281710414BRS-87F2TZ-1175-CF2TZ-1S175-CAF2TZ-1S175C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.