NATIONAL
More Information for NATIONAL 370165A
{Alternate Inventory Numbers: 370165A:8}
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NATIONAL 370165A  
$21.89
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NATIONAL 370165A Specifications
Axle RingAR12
Housing Bore (IN)5.376
Housing Bore (MM)136.550
Installation ToolRD328
MaterialNitrile
Outside Diameter (IN)5.381
Outside Diameter (MM)136.680
RedicoatYes
Shaft Diameter (IN)3.875
Shaft Diameter (MM)98.430
Type03
Width (IN)0.895
Width (MM)25.020
Nitrile, Shaft Size=3.875", Housing Bore=5.376", Outer Diameter=5.381", Width=0.985
NationalŪ Oil Seals & Bearings has built a reputation as one of the most respected names in the industry. They have offered premium sealing and wheel end solutions for more than 75 years. Their design and engineering teams keep pace with the industry and provide advanced solutions for today's vehicles.

Features & Benefits:
  • Red 37 Series oil bath seals deliver dependable point contact seal
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Unitized construction provides greater structural integrity, easier installation and main lip protection
  • Abrasion-resistant nitrile with spring-loaded main lip for positive sealing with reduced shaft interference
  • Unique rubber I.D. and O.D. includes patented SURE-LOCKŪ ribs that prevent shaft leaks and bore contamination
Additional Resources

National Heavy Duty Wheel End Offerings
National "Red" 37 Series Seal Design
National Wheel End Seal Installation Procedures
Troubleshooting Checklist For Oil Bath Seals
Seal To Bearing Comparison Sheet
OEM / Interchange Numbers: 15527763

Closeout Inventory Warranty Information:
Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).

NATIONAL Regular Inventory Warranty Information:
12 Months