NEWSTAR part description

Features & Benefits

  • Made of premium quality steel heat-treated for additional strength and durability
  • Direct-fit, OE-compliant design makes it easy to install with minimal or no modifications
  • Comprehensive quality control and testing ensure parts meet the industry’s most stringent quality standards
  • Manufactured, assembled, and packaged in-house at ISO-certified facilities

Newstar Clutch Release Shaft

The Newstar clutch release shaft is a direct-fit replacement for use in heavy duty trucks and trailers. Its design and engineering complies with original equipment specifications.

Product Attributes

Length 5.75" in
Notes Short Release Shaft
Recommended Use Dana 14" & 15.5" Clutch Applications
Type RS-1

Part Interchanges

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-4221 Cross Reference

We have 7 alternatives for the S-4221 by NEWSTAR:

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