Upgrade your vehicle's engine compartment with the NAPA Echlin TS6641 Temperature Sender Switch, designed for a precise fit on your Catalina, Topkick, or El Camino. This metal sensor is crafted to meet high standards, ensuring reliable performance and easy installation with its wired, direct-fit design. The package includes two sensors, both featuring a screw-in mounting style and a single wire quantity, for a seamless replacement experience. Each sensor is equipped with mini-blade terminals for a secure connexion to your vehicle's system. The yellow male connector adds an extra layer of durability and convenience. With OE/OEM part numbers including 25036135, 25037346, and 8993115, you can trust in the authenticity and compatibility of these sensors, proudly manufactured in Mexico, without the worry of universal fitment. Note: This product may have a warning regarding California Prop 65 without the presence of a mercury symbol. Exact item set is shown. New old stock with original packaging. Thread-in switch with one blade. Made in Mexico. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties. Most items have 30-day returns along with free fast shipping in 1 business day (see details). Message us anytime. Buy from a trusted 16+ year seller!