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National 710959 Differential Pinion Seal - Rear Outer
| Brand | National 710959 |
|---|---|
| Position | Rear Outer |
| Inside Diameter | 2.913 |
| Inside Diameter | 74.000 |
| Thickness | 0.403 |
| Thickness | 10.240 |
| Outside Diameter | 116.070 |
| Outside Diameter | 4.570 |
| Flanged Outside Diameter (Inch) | 5.000 |
| Flanged Outside Diameter (MM) | 127.000 |
| Helix Type | Bi-directional lip design |
| Housing Bore (Inch) | 4.562 |
| Housing Bore (MM) | 115.870 |
| Material | Fluoro-elastomer |
| Outside Diameter (Inch) | 4.570 |
| Outside Diameter (mm) | 116.070 |
| Overall Width with Side Lip (MM) | 25.400 |
| Overall Width with Side Lip (Inch) | 1.000 |
| Part Description | Oil seal |
| Series | 710900 |
| Shaft (Inch) | 2.913 |
| Shaft (MM) | 74.000 |
| Type | 87 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.403 |
| Width (mm) | 10.240 |
| Fits | Ford · 23 vehicles |
Bi-directional lip design. Helps maintain sealing performance as the driveline rotates.
Fluoro-elastomer material. Built for demanding sealing service in axle and driveline applications.
OE-style sealing solution. National brings more than 75 years of sealing expertise to this part.
Cross-references National 127591, SKF 29528 and 3C3Z-4676-AA for the same application. See all 7.
Product Overview
National 710959 is a differential pinion seal built for axle sealing service where the pinion shaft passes through the housing. It uses a fluoro-elastomer sealing material and a bi-directional lip design to help maintain a consistent seal under driveline movement. This seal is listed for Ford Super Duty rear outer applications with the specified axle and ring gear configuration.
Key Features
- Fluoro-elastomer construction for sealing performance in driveline service.
- Bi-directional lip design for sealing in either rotational direction.
- Dimensions listed at 2.913 in shaft diameter, 4.570 in outside diameter, and 0.403 in width.
- National 710959 is part of the 710900 series.
- Fits Ford F-450 Super Duty and Ford F-550 Super Duty rear outer applications with the specified axle notes.
Detailed Description
The National 710959 differential pinion seal is engineered as an oil seal for the pinion area of the axle assembly. Its fluoro-elastomer material and bi-directional lip profile are suited to sealing rotating driveline components while helping retain lubricant inside the housing. This part number, 710959, is cataloged for 2005-2016 Ford F-550 Super Duty rear outer and 2005-2011, 2013-2016 Ford F-450 Super Duty rear outer applications with an 11.825-inch ring gear and Spicer S110 axle. For buyers searching for a Ford F-450 Super Duty pinion seal or Ford F-550 Super Duty differential seal, 710959 provides a direct fit reference for the listed axle configuration. This part cross-references SKF 29528 for the same application.
What It Helps Address
- Gear oil seepage at the pinion seal area.
- Contamination entering the axle housing through a worn seal.
- Lubricant loss caused by seal wear or hardening.
- Noise or driveline concerns associated with low axle fluid levels.
Installation Notes
Verify axle configuration, ring gear size, and rear outer position before installation. Match the seal dimensions to the housing bore and shaft dimensions listed for National 710959. Clean the sealing surface and inspect the pinion area for wear before installing the new seal.
Quality Assurance
National has supplied sealing solutions for more than 75 years and continues to develop sealing products for modern vehicle applications. The 710959 is built to the brand's sealing standards for driveline service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2016 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2016 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2015 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2015 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2014 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2014 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2013 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2013 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2012 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2011 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2011 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2010 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2010 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2009 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2009 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2008 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2008 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2007 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2007 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2006 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2006 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2005 | Ford | F-450 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
| 2005 | Ford | F-550 Super Duty | Rear Outer | with 11.825 (in) Ring Gear; with Spicer S110 Axle |
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