Mishimoto Thermostat Activates at 68º C
OEM Thermostat Activates at 88º C

Fits all 4.6L SOHC Engines

Note – Will not fit Mustang Cobras (DOHC)

Mishimoto Performance (MP), warrants all of its products under its 'no questions asked' limited lifetime warranty policy. Regardless of the defect in product, Mishimoto will replace the original product. Warranty claims must be accompanied by the original sales receipt from an authorized dealer.

A trained professional should install all MP products. Any issues with compatibility or installation should be addressed before attempting to install the product.

The purchaser's remedy for breach of this limited warranty, exclusive of all other remedies provided by law, is expressly limited to repair or replacement of any part or parts. All products returned for warranty consideration must be returned to MP with all transportation expenses prepaid. MP shall not be responsible for damages to its product or injury to persons using the product when caused by improper opening of radiator pressure caps, burst hoses, etc. MP shall not be responsible for injury or harm to persons or property caused by persons or vehicles using our products.

Accident Protection

Mishimoto, under its no questions asked warranty policy, will provide a warranty for all claims including vehicles involved in accidents. Warranty claims must include pictures of the accident and an official police report, and must be within three months of the accident.

For all warranty claims, please contact us.