Semi Truck Transmission Seals & Gaskets
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National®Automatic Transmission Extension Housing Seal (710928)Automatic Transmission Extension Housing Seal (710928) by National®. With Dual Lip. Width: 0.500". Inside Diameter: 1.938". Outside Diameter: 2.685". Housing Bore: 2.680". Don’t just repair a leak, prevent future problems with a...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$9.04 - National®Automatic Transmission Extension Housing Seal (7038SA)Automatic Transmission Extension Housing Seal (7038SA) by National®. Width: 0.582". Inside Diameter: 1.687". Outside Diameter: 2.506". Housing Bore: 2.502". Don’t just repair a leak, prevent future problems with a National Oil Seal....Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$7.30
- National®Automatic Transmission Extension Housing Seal Kit (5203)Automatic Transmission Extension Housing Seal Kit by National®. Seal and Bushing Kit. Without Boot. Width: 0.421". Inside Diameter: 1.689". Outside Diameter: 2.506". Housing Bore: 2.500". Flanged Outside Diameter: 2.850". Don’t just...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$17.42
- National®Automatic Transmission Extension Housing Seal Kit (5200)Automatic Transmission Extension Housing Seal Kit (5200) by National®. Seal and Bushing Kit. With Boot. Width: 0.470". Inside Diameter: 1.502". Outside Diameter: 2.381". Housing Bore: 2.377". Flanged Outside Diameter: 2.550". Don’t...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$11.23
- National®Automatic Transmission Extension Housing Seal Kit (5208)Automatic Transmission Extension Housing Seal Kit (5208) by National®. Seal and Bushing Kit. Without Boot. Width: 1.000". Inside Diameter: 1.887". Outside Diameter: 1.999". Don’t just repair a leak, prevent future problems with a...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$16.21
- National®Automatic Transmission Manual Shaft Seal (8792S)Automatic Transmission Manual Shaft Seal (8792S) by National®. Width: 0.192". Inside Diameter: 0.500". Outside Diameter: 0.756". Housing Bore: 0.751". Don’t just repair a leak, prevent future problems with a National Oil Seal. This...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$5.39
- National®Automatic Transmission Manual Shaft Seal (8609)Automatic Transmission Manual Shaft Seal (8609) by National®. Width: 0.254". Inside Diameter: 0.812". Outside Diameter: 1.254". Housing Bore: 1.250". Don’t just repair a leak, prevent future problems with a National Oil Seal. This...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$6.59
- National®Automatic Transmission Manual Shaft Seal (7929S)Automatic Transmission Manual Shaft Seal (7929S) by National®. Width: 0.187". Inside Diameter: 0.742". Outside Diameter: 1.067". Housing Bore: 1.063". Don’t just repair a leak, prevent future problems with a National Oil Seal. This...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$6.24
- National®Automatic Transmission Manual Shaft Seal (221207)Automatic Transmission Manual Shaft Seal (221207) by National®. Width: 0.276". Inside Diameter: 0.472". Outside Diameter: 0.876". Housing Bore: 0.866". Don’t just repair a leak, prevent future problems with a National Oil Seal. This...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$5.25
- National®Automatic Transmission Torque Converter Seal (714598)Automatic Transmission Torque Converter Seal by National®. Front. Width: 0.340". Inside Diameter: 1.998". Outside Diameter: 2.882". Housing Bore: 2.878". Flanged Outside Diameter: 3.165". Don’t just repair a leak, prevent future...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$4.04
- National®Axle Shaft Seal (415004)Axle Shaft Seal (415004) by National®. This product by National will last a lifetime. It will meet your needs and deliver great quality at an affordable cost. Don’t just repair a leak, prevent future problems with a National Oil Seal....National oil seals are recognized worldwide for their quality and reliable performance for every type of repairDesign Type: Spring Loaded; Multi-Lip$20.57
- National®Axle Shaft Seal (473463)Axle Shaft Seal (473463) by National®. This product by National will last a lifetime. It will meet your needs and deliver great quality at an affordable cost. Don’t just repair a leak, prevent future problems with a National Oil Seal....National oil seals are recognized worldwide for their quality and reliable performance for every type of repairDesign Type: Spring Loaded; Multi-Lip$11.32
- National®Axle Shaft Seal (473468)Axle Shaft Seal (473468) by National®. This product by National will last a lifetime. It will meet your needs and deliver great quality at an affordable cost. Don’t just repair a leak, prevent future problems with a National Oil Seal....National oil seals are recognized worldwide for their quality and reliable performance for every type of repairDesign Type: Spring Loaded; Multi-Lip$12.00
- National®Front Crankshaft Seal (3638)Front Crankshaft Seal (3638) by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids$9.76
- National®Front Inner Wheel Seal (471271)Front Inner Wheel Seal (471271) by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by National will last a...National oil seals are recognized worldwide for their quality and reliable performance for every type of repair.Design Type: Spring Loaded; Multi-Lip$8.44
- National®Manual Transmission Input Shaft Seal (710904)Manual Transmission Input Shaft Seal (710904) by National®. Width: 0.315". Inside Diameter: 1.567". Outside Diameter: 2.449". Housing Bore: 2.441". Thickness: 0.315". Don’t just repair a leak, prevent future problems with a National...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$9.18
- National®Manual Transmission Input Shaft Seal (350414)Manual Transmission Input Shaft Seal by National®. Width: 0.250". Inside Diameter: 1.000". Outside Diameter: 1.445". Housing Bore: 1.437". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$5.57
- National®Manual Transmission Input Shaft Seal (471413)Manual Transmission Input Shaft Seal (471413) by National®. Width: 0.250". Inside Diameter: 1.250". Outside Diameter: 1.756". Housing Bore: 1.752". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$6.99
- National®Manual Transmission Input Shaft Seal (482163N)Manual Transmission Input Shaft Seal (482163N) by National®. Width: 0.312". Inside Diameter: 1.375". Outside Diameter: 1.987". Housing Bore: 1.983". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$4.96
- National®Manual Transmission Input Shaft Seal (470380)Manual Transmission Input Shaft Seal by National®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by National will last...Designed for dependable operation and lasting performanceMeets OE configurations$7.70
- National®Manual Transmission Input Shaft Seal (7412S)Manual Transmission Input Shaft Seal by National®. Width: 0.250". Inside Diameter: 1.250". Outside Diameter: 1.754". Housing Bore: 1.750". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$8.08
- National®Manual Transmission Output Shaft Seal (710905)Manual Transmission Output Shaft Seal (710905) by National®. Width: 0.394". Inside Diameter: 1.965". Outside Diameter: 3.079". Housing Bore: 3.071". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$9.25
- National®Manual Transmission Output Shaft Seal (450308)Manual Transmission Output Shaft Seal (450308) by National®. Width: 0.500". Inside Diameter: 2.125". Outside Diameter: 3.066". Housing Bore: 3.061". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$25.57
- National®Manual Transmission Output Shaft Seal (450519)Manual Transmission Output Shaft Seal (450519) by National®. Width: 0.500". Inside Diameter: 2.500". Outside Diameter: 3.256". Housing Bore: 3.251". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$21.77
- National®Manual Transmission Output Shaft Seal (8160S)Manual Transmission Output Shaft Seal (8160S) by National®. Width: 0.500". Inside Diameter: 1.562". Outside Diameter: 2.457". Housing Bore: 2.441". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$9.29
- National®Manual Transmission Output Shaft Seal (471341N)Manual Transmission Output Shaft Seal by National®. Width: 0.437". Inside Diameter: 2.250". Outside Diameter: 3.001". Housing Bore: 2.996". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$14.19
- National®Manual Transmission Output Shaft Seal (9613S)Manual Transmission Output Shaft Seal (9613S) by National®. Width: 0.470". Inside Diameter: 1.500". Outside Diameter: 2.381". Housing Bore: 2.377". Flanged Outside Diameter: 2.550". Don’t just repair a leak, prevent future problems...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$3.65
- National®Manual Transmission Output Shaft Seal (7692S)Manual Transmission Output Shaft Seal (7692S) by National®. Width: 0.420". Inside Diameter: 1.500". Outside Diameter: 2.376". Housing Bore: 2.372". Flanged Outside Diameter: 2.640". Don’t just repair a leak, prevent future problems...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$12.77
- National®Manual Transmission Shift Shaft Seal (340797)Manual Transmission Shift Shaft Seal by National®. Width: 0.175". Inside Diameter: 0.593". Outside Diameter: 0.943". Housing Bore: 0.935". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$5.95
- National®Rear Wheel Seal (470059)Rear Wheel Seal (470059) by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that generates a dynamic pumping action to...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$8.62
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- Clutch Kits
- Automatic Transmission Oil Coolers
- Transmission Mounts
- Solenoids, Sensors, Switches, Control Units
- Transmission Filters
- Automatic Transmission Torque Converters
- Transmission Shifters
- Clutch Flywheels
- Pans, Drain Plugs, Filler Caps
- Clutch Hydraulics
- Rebuild Kits
- Clutch Linkages
- Clutch Release Bearings
- Automatic Transmission Valve Bodies
- Bearings
- Automatic Transmission Flexplates
- Transmission Shafts & Gears
- Manual Transmission Assemblies
- Automatic Transmission Assemblies
- Clutch Pressure Plates
- Clutch Discs
- Transmission Fluids, Oils & Additives
