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National Bearing® 415988 Automatic Transmission Extension Housing Seal

Manufacturer #415988

National Bearing® 415988 Automatic Transmission Extension Housing Seal

Manufacturer #415988

$17.49

~~$24.49~~

Save $7.00 (29%)

(7) In Stock

Get it between Wed, Aug 20 - Fri, Aug 22, 2025

E.P.A. Compliant Converters are not legal for sale or use in California or Colorado. Restrictions apply in New York and Maine.

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SKU	NS415988
Brand	National Bearing®
Part Name	Automatic Transmission Extension Housing Seal
Part	# 415988
Quantity Per Vehicle	1
Pack of	1
Condition	New

+ Chevrolet
+ Gmc
+ Hummer

Automatic Transmission Extension Housing Seal
National 415988 Automatic Transmission Extension Housing Seal
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 225°F / -40°C to 107°C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

Inside Diameter (MM)	65.070
Inside Diameter (IN)	2.562
Outside Diameter (MM)	92.150
Outside Diameter (IN)	3.628
Width (MM)	9.530
Width (IN)	0.375
Material	Nitrile
71290	Zero duplication part
3688189	Oil seal
5845933	Yes
59309	410000
Type	41
5845952	Inch
Housing Bore (IN)	3.623
Housing Bore (MM)	92.020
Shaft Diameter (IN)	2.562
Shaft Diameter (MM)	65.070
Grade Type	Premium

2007 Chevrolet Silverado 3500 Classic (Transmission Code: 1000 & Transmission Base Gear: 6 & Transmission Control Type: Automatic); 2001-2019 Chevrolet Silverado 2500 HD (Transmission Code: 1000 & Transmission Base Gear: 5, 6 & Transmission Control Type: Automatic / Qualifier: with Allison 1000 Transmission); 2001-2006 Chevrolet Silverado 3500 (Transmission Code: 1000 & Transmission Base Gear: 5, 6 & Transmission Control Type: Automatic / Qualifier: with Allison 1000 Transmission); 2007-2019 Chevrolet Silverado 3500 HD (Transmission Code: 1000 & Transmission Base Gear: 6 & Transmission Control Type: Automatic); 2007 GMC Sierra 2500 HD Classic (Transmission Code: 1000 & Transmission Base Gear: 6 & Transmission Control Type: Automatic); 2007 GMC Sierra 3500 Classic (Transmission Code: 1000 & Transmission Base Gear: 6 & Transmission Control Type: Automatic); 2001-2019 GMC Sierra 2500 HD (Transmission Code: 1000 & Transmission Base Gear: 5, 6 & Transmission Control Type: Automatic / Qualifier: with Allison 1000 Transmission); 2001-2006 GMC Sierra 3500 (Transmission Code: 1000 & Transmission Base Gear: 5, 6 & Transmission Control Type: Automatic / Qualifier: with Allison 1000 Transmission); 2007-2019 GMC Sierra 3500 HD (Transmission Code: 1000 & Transmission Base Gear: 6 & Transmission Control Type: Automatic); 2006 Hummer H1 (Transmission Code: 1000/M74 & Transmission Base Gear: 5 & Transmission Control Type: Automatic)

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.