NEWSTAR part description

Product Description

Features & Benefits

  • Made of premium quality materials for durability and long life
  • Meets or exceeds vehicle manufacturer requirements for heavy duty air brake systems
  • All components undergo stringent quality control checks and testing
  • Manufactured, assembled, and packaged in-house at ISO-certified facilities

Newstar Air Brake Emergency Relay Valve

The Newstar air brake emergency relay valve is designed to engage the air brakes in the event of a leak or sudden pressure loss between the truck and trailer. Its design and engineering matches original equipment specifications.

Product Attributes

Control Port 3/8" IN
Crack Pressure 4.5 PSI
Delivery Port (4) 3/8" IN
Notes Includes Ratio Feature
Replacement For Sealco
Style Charging
Supply/Emergency 3/8" IN

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-20156 Cross Reference

We have 4 alternatives for the S-20156 by NEWSTAR:

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