NEWSTAR part description

Product Description

Features & Benefits

  • Made of premium-grade steel for durability and long life
  • Gear teeth are precision machined to exact measurements for a smooth, efficient performance
  • Designed and engineered to meet or exceed original equipment manufacturer requirements for drivetrain components
  • Manufactured, assembled, and packaged in-house at ISO-certified facilities

Newstar Differential Case Kit

The Newstar differential case kit provides a practical and effective repair solution for medium to heavy duty differentials. Each component included in the kit is made to comply with OE specifications.

Product Attributes

Popular Applications Replacement Dana Eaton 19060SD,21060SD,22060SD,DS344,DA404P,DS404P,DD404P,DA405P,DS405P,DSH40(P),DSH44(P),RA344,RS344,RA404,RS404,RD404,RA405,RS405,RSH40,RSH44
Based in Schaumburg, IL, NEWSTAR® is an aftermarket parts manufacturer specializing in trailer suspension, engine, and drivetrain parts and components for medium and heavy duty trucks. The company supplies OEM manufacturers, truck dealerships, and warehouse distributors across the U.S. and Canada. NEWSTAR products are made of high-grade stamped steel, natural rubber, and other materials and hand-welded, resulting in an unprecedented level of quality down to the smallest detail. All products are also built and assembled using cutting-edge tools and undergo intense performance testing in an in-house quality control laboratory to ensure compliance with industry standards. 

NEWSTAR S-F521 Cross Reference

We have 2 alternatives for the S-F521 by NEWSTAR:

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