Seal-Oil 40337S

positive OEM
Oil seal designed to prevent leakage in heavy-duty driveline and axle systems.
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Description

The National Multi-Purpose Oil Seal (40337S) is designed to prevent oil leakage in rotating shafts by providing a secure sealing interface. It serves as a critical component in maintaining lubrication integrity and protecting mechanical assemblies from contamination in various heavy-duty applications.

Key Specifications

  • Application: Heavy-duty trucks, driveline and axle systems
  • Function: Prevents oil leakage on rotating shafts
  • Compatibility: General commercial vehicle driveline assemblies
  • Construction: Nitrile rubber sealing lip, metal case
  • Features: Multi-purpose sealing, corrosion-resistant metal case, heat-resistant elastomer
  • Quality: OEM part

Shipping Info

Next Day Air services are available for In Stock items. Our shipping cutoff time is Monday - Friday 4:30pm Eastern Standard Time (EST). 

 

For more shipping information, please see our Shipping & Delivery page.

More Information

Current Part# 40337S
Type OEM
Part# variations 40337S FDM,
40337SFDM,
NA 40337S,
NA40337S
Manufacturer Federal Mogul
Warranty Standard Manufacturer Warranty