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National 710547 Differential Pinion Seal - Front Outer
National 710547 Differential Pinion Seal
National 710547 is a differential pinion seal built for front outer applications that require precise sealing around the pinion shaft. It uses nitrile material and OE-style dimensions to help maintain proper lubricant retention in the differential housing.
- Part number: 710547
- Part description: oil seal for driveline and axle sealing systems
- Material: nitrile
- Inside diameter: 1.521 in. / 38.630 mm
- Outside diameter: 2.669 in. / 67.790 mm
- Flanged outside diameter: 2.874 in. / 73.000 mm
- Housing bore: 2.661 in. / 67.590 mm
- Thickness/width: 0.445 in. / 11.300 mm
- Series: 710500
Fitment and application details
This differential pinion seal is listed for front outer positions on vehicles with a 7.25-inch ring gear and AAM axle, featuring independent front suspension. It fits 2003-2014 Chevrolet Express 1500, front outer; 2003-2014 GMC Savana 1500, front outer; 2002-2009 Chevrolet Trailblazer, front outer; and 2002-2009 GMC Envoy, front outer. It also fits 2005-2009 Saab 9-7x, front outer, and 2003-2008 Isuzu Ascender, front outer.
Additional coverage includes 2004-2007 Buick Rainier, front outer; 2002-2006 Chevrolet Trailblazer EXT, front outer; 2002-2006 GMC Envoy XL, front outer; 2002-2005 Chevrolet Astro, front outer; 2002-2005 Chevrolet Blazer, front outer; 2003-2005 Chevrolet Express 2500, front outer; 2004-2005 GMC Envoy XUV, front outer; 2002-2005 GMC Jimmy, front outer; 2002-2005 GMC Safari, front outer; 2003-2005 GMC Savana 2500, front outer; 2002-2004 Chevrolet S10, front outer; 2002-2004 GMC Sonoma, front outer; and 2002-2004 Oldsmobile Bravada, front outer.
Key features
- National sealing solution for driveline and axle service
- Nitrile construction for sealing performance in oil-exposed locations
- OE-style dimensions for the specified housing bore and shaft size
- Built for front outer differential pinion seal applications
- Cross-reference: Four Seasons 14946
What this seal helps address
- Differential gear oil seepage at the pinion area
- Fluid loss around the front outer axle seal location
- Contamination entering the differential through a worn seal
- Noise or driveline concerns caused by low lubricant level
- Service replacement for aging seals on Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile applications
Installation notes and tips
Verify the shaft diameter, housing bore, and seal width before installation. This part is specified for vehicles with a 7.25-inch ring gear and AAM axle with independent front suspension, so confirm axle configuration and position before ordering. Clean the sealing surface thoroughly and inspect the shaft for wear or scoring that could affect seal life.
Quality assurance
National has supplied premium sealing solutions for more than 75 years and continues to develop sealing products for modern vehicle applications. Part number 710547 is part of the National 710500 series and is engineered to meet the dimensional requirements listed for the application.
| Brand | National |
|---|---|
| Part Number | 710547 |
| Flanged Outside Diameter (Inch) | 2.874 |
| Flanged Outside Diameter (MM) | 73.000 |
| Housing Bore (Inch) | 2.661 |
| Housing Bore (MM) | 67.590 |
| Inside Diameter | 1.521 |
| Inside Diameter | 38.630 |
| Material | Nitrile |
| Outside Diameter | 2.669 |
| Outside Diameter | 67.790 |
| Outside Diameter (Inch) | 2.669 |
| Outside Diameter (mm) | 67.790 |
| Part Description | Oil Seal |
| Series | 710500 |
| Shaft (Inch) | 1.521 |
| Shaft (MM) | 38.630 |
| Thickness | 0.445 |
| Thickness | 11.300 |
| Type | 75 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.445 |
| Width (mm) | 11.300 |
This part fits 101 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2014 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2014 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2013 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2013 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2012 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2012 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2011 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2011 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2010 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2010 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2009 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2009 | Chevrolet | Trailblazer | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2009 | Chevrolet | Trailblazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2009 | GMC | Envoy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2009 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2009 | Saab | 9-7x | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. | |
| 2008 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2008 | Chevrolet | Trailblazer | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2008 | Chevrolet | Trailblazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2008 | GMC | Envoy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2008 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2008 | Isuzu | Ascender | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2008 | Saab | 9-7x | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. | |
| 2007 | Buick | Rainier | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2007 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2007 | Chevrolet | Trailblazer | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2007 | Chevrolet | Trailblazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2007 | GMC | Envoy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2007 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2007 | Isuzu | Ascender | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2007 | Saab | 9-7x | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. | |
| 2006 | Buick | Rainier | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2006 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2006 | Chevrolet | Trailblazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2006 | Chevrolet | Trailblazer EXT | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2006 | GMC | Envoy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2006 | GMC | Envoy XL | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2006 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2006 | Isuzu | Ascender | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2006 | Saab | 9-7x | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. | |
| 2005 | Buick | Rainier | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | Chevrolet | Astro | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | Chevrolet | Blazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | Chevrolet | Express 2500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | Chevrolet | Trailblazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | Chevrolet | Trailblazer EXT | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | GMC | Envoy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | GMC | Envoy XL | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | GMC | Envoy XUV | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | GMC | Jimmy | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. | |
| 2005 | GMC | Safari | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | GMC | Savana 2500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | Isuzu | Ascender | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2005 | Saab | 9-7x | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. | |
| 2004 | Buick | Rainier | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | Chevrolet | Astro | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | Chevrolet | Blazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | Chevrolet | Express 2500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | Chevrolet | S10 | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. | |
| 2004 | Chevrolet | Trailblazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | Chevrolet | Trailblazer EXT | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | GMC | Envoy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | GMC | Envoy XL | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | GMC | Envoy XUV | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | GMC | Jimmy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | GMC | Safari | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | GMC | Savana 2500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | GMC | Sonoma | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. | |
| 2004 | Isuzu | Ascender | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2004 | Oldsmobile | Bravada | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Chevrolet | Astro | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Chevrolet | Blazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Chevrolet | Express 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Chevrolet | Express 2500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Chevrolet | S10 | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Chevrolet | Trailblazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Chevrolet | Trailblazer EXT | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | GMC | Envoy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | GMC | Envoy XL | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | GMC | Jimmy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | GMC | Safari | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | GMC | Savana 1500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | GMC | Savana 2500 | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | GMC | Sonoma | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Isuzu | Ascender | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2003 | Oldsmobile | Bravada | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | Chevrolet | Astro | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | Chevrolet | Blazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | Chevrolet | S10 | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | Chevrolet | Trailblazer | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | Chevrolet | Trailblazer EXT | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | GMC | Envoy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | GMC | Envoy XL | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | GMC | Jimmy | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | GMC | Safari | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | GMC | Sonoma | 4WD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
| 2002 | Oldsmobile | Bravada | AWD | Front Outer | For vehicles with a 7.25-inch Ring Gear and AAM Axle, featuring Independent Front Suspension. |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.