Collection: Auto - Oil Thermostat

Optimize your engine’s operating temperature and prevent oil over-cooling with our selection of Auto Oil Thermostatcomponents. At DIY Customs, we provide high-performance thermostatic sandwich plates, specialized inline oil thermostats, durable remote bypass valves, and heavy-duty thermal control blocks designed for a perfect fit in external cooling systems. Whether you are building a high-performance track car that needs rapid oil warm-up, installing an auxiliary oil cooler on a towing rig, or managing fluid temps in a specialized dry-sump setup, our professional-grade hardware offers the flow capacity and temperature precision you need at unbeatable prices. From specialized high-flow bypass units to direct-fit thermostatic adapters for popular performance engine platforms, we carry the essential gear for every cooling project. Don't see the specific opening temperature (160°/180°/200°F), port size (AN-8/AN-10), or specialized thermostat for your oil system? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!