National 710492 Drive Axle Shaft Seal - Front, Front Inner or Rear

Drive Axle Shaft Seal for Ford and GM Applications

National 710492 is a drive axle shaft seal built for front and rear axle service where a precise sealing surface is critical. With polyacrylate construction and OE-style dimensions, it supports reliable sealing in applications such as Ford F-250 Super Duty front inner axle service and rear axle use on select Chevrolet Silverado and GMC Sierra models.

Key Features

• Drive axle shaft seal / oil seal for driveline and axle sealing service
• Polyacrylate material for durable sealing performance
• Inside diameter: 1.560 in. / 39.600 mm
• Outside diameter: 2.630 in. / 66.800 mm
• Width: 0.551 in. / 14.000 mm
• Housing bore: 2.622 in. / 66.600 mm
• Overall width with side lip: 1.220 in. / 31.000 mm
• National part number 710492 for axle seal replacement identification

Detailed Description

National 710492 is engineered as a drive axle shaft seal for vehicles that require accurate shaft and housing dimensions to maintain proper axle lubrication control. The seal measures 1.560 inches on the shaft side, 2.630 inches on the outside diameter, and 0.551 inches in width, with metric equivalents provided for service matching. It is a practical replacement for axle seal service on Ford F-250 Super Duty, Ford Excursion, Chevrolet Silverado 1500, GMC Sierra 1500, and related rear or front inner axle applications listed in the fitment data. This part cross-references BBB Industries 52148 and Bosch 12014 for the same application. National 710492 is part of National’s 710400 series and reflects the brand’s long-standing focus on sealing solutions for modern driveline service.

What It Helps Address

• Axle oil seepage at the shaft seal area
• Gear oil loss from worn or hardened sealing surfaces
• Contamination entering the axle housing through a failed seal
• Noise or driveline concerns caused by low lubricant level
• Service replacement for leaking front inner or rear axle seals

Installation Notes and Tips

Verify shaft diameter, housing bore, and axle configuration before installation. This seal is listed for specific applications including 2012-2014 Ford F-250 Super Duty front inner, 2000-2004 Ford Excursion front inner, and rear axle service on select Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, and Suburban 2500 models with the specified ring gear and axle type. Clean the sealing bore and shaft surface thoroughly, and inspect for wear, scoring, or contamination that could affect seal life. Confirm the vehicle’s axle setup matches the notes in the fitment data before ordering.

Quality Assurance

National has supplied premium sealing solutions for more than 75 years and continues to develop sealing products for current vehicle service needs. The 710492 axle shaft seal is built to National’s dimensional and material standards for driveline sealing applications.

Vehicle Fitment

• Fits 2012-2014 Ford F-250 Super Duty, Front Inner
• Fits 2002-2005 Chevrolet Silverado 1500, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2005 Chevrolet Silverado 1500 HD, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2003 Chevrolet Silverado 1500 HD, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2003-2005 Chevrolet Suburban 2500, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2002-2005 Chevrolet Tahoe, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2002-2005 GMC Sierra 1500, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2005 GMC Sierra 1500 HD, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2003 GMC Sierra 1500 HD, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2002-2005 GMC Yukon, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2003-2005 GMC Yukon XL 2500, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2003-2004 Chevrolet Silverado 2500, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 2000-2004 Ford Excursion, Front Inner; with 9 in Ring Gear, Spicer 50 Axle, Monobeam Axle
• Fits 2001-2004 Ford Excursion, Front Inner; with 9.75 in Ring Gear, Spicer 60 Axle, Monobeam Axle
• Fits 1999-2004 Ford F-250 Super Duty, Front Inner; with 9 in Ring Gear, Spicer 50 Axle, Monobeam Axle
• Fits 1999-2004 Ford F-350 Super Duty, Front Inner; with 9 in Ring Gear, Spicer 50 Axle, Monobeam Axle
• Fits 2003-2004 GMC Sierra 2500, Rear; compatible for vehicles with 9.75" Ring Gear and Spicer 60 Axle
• Fits 1985-1998 Ford F-350, Front; 9.75 inch Ring Gear Spicer 60-7F Axle
• Fits 1997 Ford F-250 HD, Front; 9.75 inch Ring Gear Spicer 60-7F Axle