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National Bearings 2457 | Automatic Transmission Extension Housing Seal

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$28.89
Part Number
NAT2457
Condition:
New
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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.

BRAND: National

FEATURES:

  • Delivers quality and reliable performance for every type of repair
  • Design type: spring loaded; multi-lip
  • Resistance to EP lubricants
  • Auto Trans Ext. Housing Seal
  • Chevrolet Avalanche 2500 AT 02; Blazer AT 94-91; C1500 AT 98-91; C1500 Suburban AT 99-94; C2500 AT 00-91; C2500 Suburban AT 99-92; C3500 AT 00-91; C3500HD AT 02-91; Express 2500 AT 09-96; Express 3500 AT 09-96; Express 4500 AT 09; G2
  • Auto Trans Ext. Housing Seal
  • National 2457 Auto Trans Ext. Housing Seal
  • Low swell in hydrocarbon fluids
  • Temperature range: -20°F to 300°F / -29°C to 49°C

SPECIFICS:

Flanged Outside Diameter (Inch)3.150
Flanged Outside Diameter (MM)80.010
Helix TypeCounter-Clockwise-Spiral Lip Design
Housing Bore (Inch)2.880
Housing Bore (MM)73.150
Inside Diameter2.125
Inside Diameter53.980
MaterialPolyacrylate
Outside Diameter73.280
Outside Diameter2.885
Outside Diameter (Inch)2.885
Outside Diameter (MM)73.280
Part DescriptionOil Seal
RedicoatYes
Series2000
Shaft (Inch)2.125
Shaft (MM)53.980
Thickness0.550
Thickness13.970
Type74
Unit of DimensionInch
Width (Inch)0.550
Width (MM)13.970

DOWNLOADS:

INTERCHANGE:

  • Chicago Rawhide: 21111
  • Chicago Rawhide: 21236
  • General Motors: 24235725
  • Timken: 2457
  • General Motors: 8655032
  • General Motors: 8627145
  • General Motors: 8675731
  • Victor Reinz: 48300
  • SKF: 21236
  • SKF: 21111

Product type:
Aftermarket



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