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NEWSTAR S-21566 Radiator Surge Tank

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S-21566 by NEWSTAR - Radiator Surge Tank
NEWSTAR
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$306.99

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NEWSTAR S-21566 Part Description

Manufacturer

NEWSTAR

Features & Benefits

  • Made of high quality materials using state-of-the-art equipment and technology
  • Heavy duty seals keep tank leak-free even when pressurized
  • OE-compatible design makes it easy to install and maintain
  • All tanks undergo quality control checks and performance testing before shipment

Newstar Radiator Surge Tank

Also known as the coolant overflow tank, the Newstar radiator surge tank stores excess coolant caused by excess pressure from the radiator. Each tank is designed and engineered according to OE specifications.

NEWSTAR S-21566 Specifications

Product Attributes

Color Black
Material Metal
Mount Hole Quantity 4
Mounting Bracket Included No
Position Front

NEWSTAR S-21566 Cross References

BrandPart Number
2591-625-C, IH 2591-625-C

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S-21566 by NEWSTAR - Radiator Surge Tank

NEWSTAR S-21566

Radiator Surge Tank

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NEWSTAR S-21566 Manufacturer Information

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-21566 Questions & Answers

Q: by Justin on February 06, 2026

Does this tank have a site glass on the side?

A: by Ed Staff on February 09, 2026

This has no sight glass

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