Skip Content


14.5 oz. Bottle Radiator Sealer, Clear

  • Item # 4NPP5
  • My Part #
  • Mfr. Model # ZXC03
  • Catalog Page # 903
  • UNSPSC # 25174004
14.5 oz. Bottle Radiator Sealer, Clear close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $4.55 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 1.08 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

ZEREX® Radiator Super Sealer stops cooling system leaks and helps prevent future occurrences. Nonclogging formula seals leaks where other products may fail.

• Safe for all cooling system metals including aluminum.
• Nonfoaming formula is compatible with all types of engine coolants.
• NASCAR track tested.

View More

Technical Specs

  • Item Radiator Sealer
  • Size 14.5 oz.
  • Size/Net Weight 14.5 oz.
  • Color Clear
  • Container Type Bottle
  • Appearance Clear
  • Boiling Point (F) 212
  • For Use With Most Common Make Engines
  • Application For Autos/Light Duty Trucks
  • Package Quantity 1
How can we improve our Technical Specifications?

Compliance and Restrictions

Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.