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The 4765 Auto Transmission Extension Housing Seal by National is a high-performance, spring-loaded multi-lip seal made from durable fluoroelastomer. Engineered to withstand extreme temperatures from -40°F to 400°F and compatible with a broad spectrum of automotive fluids, it delivers reliable, leak-proof performance for transmission repairs. Trusted by professionals and backed by over 75 years of industry expertise, this seal ensures long-lasting durability and a perfect fit for demanding vehicle applications.
| ASIN | B000C5J11C |
| Best Sellers Rank | #109,268 in Automotive ( See Top 100 in Automotive ) #36 in Automotive Replacement Crankshaft Seals |
| Brand | National |
| Brand Name | National |
| Container Type | Cartridge |
| Customer Reviews | 4.4 out of 5 stars 55 Reviews |
| Global Trade Identification Number | 00724956716630 |
| Included Components | Multi Purpose Seal |
| Item Form | Grease |
| Manufacturer | National |
| Material | Fluoroelastomer |
| Model Number | 4765 |
| Number of Items | 1 |
| Package Information | Cartridge |
| Part Number | 4765 |
| Specific Uses For Product | High Temperature Applications |
| UPC | 724956716630 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 400 Degrees Fahrenheit |
G**O
Perfect fit
Worked for both f150 and crown Vic tail housing
J**E
No more leaks
Great quality and nice price. Fixed the leaking transmission.
V**Z
Nítida
Funcionando asta la fecha instalada
C**K
Perfect fit
Perfedr replacement for 2006 expedition 2wd
A**W
Good quality
Works like it’s suppose too
T**H
Works perfectly
Worked like a charmed...no more transmission leak on my 2003 Lincoln Towncar. The only issue I had was the fact that it was very hard to put on but that's cause I didn't have the right tool.
R**A
Seal
Seal works great, no leaks after installation
A**C
These seals (National) are a good investment.
National seals are a favorite brand of mine. They are sized properly, the quality still seems to be there. I put grease on the spring before I use a mallet to install these seals, so the spring won’t be jarred out.
Trustpilot
1 week ago
4 days ago