National Bearing® 4278 Differential Pinion Seal
Manufacturer #4278
National Bearing® 4278 Differential Pinion Seal
Manufacturer #4278
$12.09
$16.93
Save $4.84 (29%)
(21) In Stock
Get it between Wed, Aug 20 - Fri, Aug 22, 2025
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Only secure payments| SKU | NS4278 |
|---|---|
| Brand | National Bearing® |
| Part Name | Differential Pinion Seal |
| Part | # 4278 |
| Quantity Per Vehicle | 1 |
| Pack of | 1 |
| Condition | New |
-
Ford
-
Lincoln
- Differential Pinion Seal
- National 4278 Differential Pinion Seal for Ford F-150
- National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
- Design type: spring loaded; multi-lip
- Temperature range: -40°F to 400°F / -40°C to 204°C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair
| Inside Diameter (MM) | 46.020 |
|---|---|
| Inside Diameter (IN) | 1.812 |
| Outside Diameter (IN) | 3.096 |
| Outside Diameter (MM) | 78.640 |
| Width (IN) | 0.485 |
| Width (MM) | 12.320 |
| Material | Fluoro-elastomer |
| 3688189 | Oil seal |
| 5845933 | Yes |
| 59309 | 4000 |
| Thickness (IN) | 0.485 |
| Thickness (MM) | 12.320 |
| Type | 86 |
| 5845952 | Inch |
| Housing Bore (MM) | 78.510 |
| Housing Bore (IN) | 3.091 |
| 5867461 (MM) | 86.360 |
| 5867461 (IN) | 3.400 |
| Shaft Diameter (MM) | 46.020 |
| Shaft Diameter (IN) | 1.812 |
| Grade Type | Premium |
2015-2018 Ford Transit-150 (Rear Outer); 2015-2018 Ford Transit-250 (Rear Outer); 2015-2018 Ford Transit-350 (Rear Outer); 2015-2018 Ford Transit-350 HD (Rear Outer); 2004 Ford F-150 Heritage (Rear Outer); 1999-2002 Ford E-150 Econoline (Rear Outer); 2003-2011 Ford E-150 (Rear Outer); 2003-2005 Ford E-150 Club Wagon (Rear Outer); 1999-2002 Ford E-150 Econoline Club Wagon (Rear Outer); 2000-2005 Ford Excursion (Rear Outer); 1999-2018 Ford Expedition (Rear Outer); 1988-1997 Ford F-Super Duty (Rear Outer); 1999-2022 Ford F-150 (Rear Outer); 1985-1999 Ford F-250 (Rear Outer); 1999-2010 Ford F-250 Super Duty (Rear Outer); 1985-1998 Ford F-350 (Rear Outer); 1999-2010 Ford F-350 Super Duty (Rear Outer); 2015-2018 Ford Mustang (Rear Outer); 2006-2008 Lincoln Mark LT (Rear Outer); 2002 Lincoln Blackwood (Rear Outer); 1999-2018 Lincoln Navigator (Rear Outer)
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund.
Warranty Policy
Right parts, guaranteed. If you find any defects, simply notify us within the warranty period, and we’ll take care of it. Check out our Warranty Policy for more details.
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