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Billet Radiator Cap -- Polished -- 1996-2018 Mustang

Part #: 421258

Free Shipping
Application: Mustang 1996-2018
Installation Difficulty:
Easy ?
Live outside the U.S.?

International Purchases & Shipping

Prices stated here are only for sales within the continental United States and ordered via the web site. Prices for other territories and countries may vary due to shipping fees, duties, and other factors.

Orders placed via can only be shipped to areas within the continental U.S. If you live outside the U.S., please orders must be placed through an authorized ROUSH dealer.

Product highlights for the Billet Radiator Cap -- Polished -- 1996-2018 Mustang:

  • Made from high quality Billet Aluminum
  • Polished for sleek appearance
  • Features engraved ROUSH Logo
  • CNC Machined for precise fitment
  • Fits all 1996-2018 Mustangs
  • Made in the USA
Dress up the engine compartment of you 1996-2018 Mustang with the ROUSH Billet Radiator Cap.

The billet radiator caps are made from high quality billet aluminum for its appearance, corrosion resistance and strength to weight ratio.

The radiator caps are manufactured in the USA using high precision CNC machining for precise fitment. Once machined, the radiator caps are polished for a sleek appearance.

The ROUSH billet radiator caps slide over the existing cap and are held in place with automotive grade double sided tape.

WARNING: Cancer and Reproductive Harm -
Application Mustang 1996-2018
Difficulty Easy
Time 0 hours 15 minutes
Tools None
Instruction URL No