Description:

Replace Part Number: 9091603075A82, 9091603075, 90916-A3003, 90916A3003, 90916-03129, 9091603129, 2551042100, 2551042541. Compatible Models: For Toyota 4Runner Sienna Avalon Camry Tacoma Lexus. Premium Quality: engine thermostat is constructed of premium material for long lasting durability and reliability.. Removing the Old Thermostat: Wait for the engine to cool down if you drove recently; Take the cap off of your radiator; Put a drip pan underneath your radiators drain plug; Drain half of the coolant out from your radiators drain valve; Unbolt the thermostat housing from the engine block with a ratchet; Pull the old thermostat out with a pair of pliers.. Installing the New Thermostat: Get a replacement thermostat and gasket with the same heat rating; Remove any residue from the housing and engine flanges with a scraper; Put the thermostat in the engine flange so the valve points up; Line the new thermostat gasket up on the flange; Bolt the housing back onto the engine..