If your vehicle's cooling fan isn't kicking on properly, this UAC pressure switch might be the fix. It's a brand new, direct OE replacement part (reference SW 11309C). It's a 1-way, push-button style switch with a green manual override button—common in many HVAC systems. UAC parts are made to meet or exceed OEM specifications and come with ISO/TS 16949 quality certification. Always double-check fitment using Amazon's garage tool by entering your vehicle's year, make, and model. A reliable, affordable replacement to help keep your car's cooling system functioning correctly.