This all new billet aluminum thermostat housing is designed to last. Constructed of 100% billet 6061 aluminum and black anodized and fitted with an o-ring seal. Made in the USA !! by americans. Factory replacement .Great for offroad and racing applications. Thick two piece construction, easily drilled and tapped for external temp switches/ fittings.
Fitment
03 - Present 4runner 4.0
07 - 14 FJ Cruiser
05 - 15 Tacoma 4.0L
05 - 14 Tundra 4.0L