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OE Quality
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NationalPart #: 714670
National 714670 Manual Transmission Output Shaft Seal
66 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, C3500, K3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, and Silverado 3500 Classic
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Not what you need? See all Manual Transmission Output Shaft Seal options
National 714670 Manual Transmission Output Shaft Seal
| Brand | National |
|---|---|
| Part Number | 714670 |
| Material | Polyacrylate |
| Inside Diameter | 2.500 |
| Inside Diameter | 63.500 |
| Thickness | 0.450 |
| Thickness | 11.430 |
| Outside Diameter | 3.504 |
| Outside Diameter | 89.000 |
| Helix Type | Counter-clockwise-spiral lip design |
| Housing Bore (Inch) | 3.500 |
| Housing Bore (MM) | 88.900 |
| Outside Diameter (Inch) | 3.504 |
| Outside Diameter (mm) | 89.000 |
| Part Description | Oil seal |
| Redicoat | Yes |
| Series | 714000 |
| Shaft (Inch) | 2.500 |
| Shaft (MM) | 63.500 |
| Type | 47 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.450 |
| Width (mm) | 11.430 |
This part fits 66 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 2500 HD Classic | Manual | N/A | with New Process 4500HD Transmission |
| 2007 | Chevrolet | Silverado 3500 Classic | Manual | N/A | with New Process 4500HD Transmission |
| 2007 | GMC | Sierra 2500 HD Classic | Manual | N/A | with New Process 4500HD Transmission |
| 2007 | GMC | Sierra 3500 Classic | Manual | N/A | with New Process 4500HD Transmission |
| 2006 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2006 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2006 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2006 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2005 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2005 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2005 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2005 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2004 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2004 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2004 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2004 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2003 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2003 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2003 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2003 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2002 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2002 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2002 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2002 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | Chevrolet | Silverado 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | Chevrolet | Silverado 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | GMC | Sierra 2500 HD | Manual | N/A | with New Process 4500HD Transmission |
| 2001 | GMC | Sierra 3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2000 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2000 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2000 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 2000 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1999 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1998 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1998 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1998 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1998 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1997 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1997 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1997 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1997 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1996 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1995 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1995 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1995 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1995 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1994 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1994 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1994 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1994 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1993 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1993 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1993 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1993 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1992 | Chevrolet | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1992 | Chevrolet | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1992 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1992 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1991 | GMC | C3500 | Manual | N/A | with New Process 4500HD Transmission |
| 1991 | GMC | K3500 | Manual | N/A | with New Process 4500HD Transmission |
* 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:
15635334171372498271467088958818
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.