Mishimoto 2003+ Toyota 4Runner 4.0L Low-Temperature Racing Thermostat

Shop performance cooling parts at Black Ops Auto Works for premium radiators, thermostat housings, thermostats, coolant reservoirs, expansion tanks, radiator hoses, oil coolers, transmission coolers, fans and shrouds, water pumps, and thermal management upgrades for street, track, towing, diesel, and high-horsepower builds. Whether you are trying to control engine temps, improve reliability, or support demanding performance use, this collection is built around proven cooling-system upgrades for serious enthusiasts. Shop Cooling Parts by Category Browse automotive cooling system components across key product categories, including: Radiators Coolant reservoirs and expansion tanks Thermostat housings and thermostats Radiator hose kits and silicone coolant hoses Oil coolers and oil cooler accessories Transmission coolers Coolant bypass kits and coolant filters Fans and shrouds Radiator caps Water pumps Radiator shrouds, radiator stays, and cooling plates Thermal wrap, thermal tape, an...

Browse all our engine parts and engine components at Black Ops Auto Works, including oil catch cans, pulleys, thermostats, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, cooling upgrades, and engine bay dress-up parts for trucks, SUVs, muscle cars, and performance vehicles. Whether you are maintaining a street build, upgrading a high-horsepower setup, or improving under-hood styling, this collection is built for customers searching for engine parts, engine bay accessories, cooling upgrades, catch cans, and performance engine components. Shop Top Engine Brands Find trusted brands across the engine category, including: Billet Technology Mishimoto ZPE GripTec MightyMouse Solutions Cordes Performance Granatelli Cometic BBK Corsa   These brands are popular for oil catch cans, thermostat housings, engine bay accessories, radiator and coolant upgrades, supercharger pulleys, throttle bodies, and performance engine hardware. Engine Pa...

Shop premium Mishimoto performance parts at Black Ops Auto Works, your trusted source for Mishimoto radiators, intercoolers, oil coolers, catch cans, silicone radiator hoses, thermostats, intake systems, charge pipes, exhaust tips, wheel accessories, and cooling system upgrades. Mishimoto is known for producing high-performance cooling and airflow components engineered for reliability, fitment, and real-world performance across cars, trucks, SUVs, and off-road builds. Whether you are upgrading a street car, track build, tow rig, diesel truck, Jeep, or performance daily driver, Mishimoto products help improve cooling efficiency, airflow, oil control, durability, and engine bay performance. Shop Mishimoto Cooling, Intake & Performance Parts At Black Ops Auto Works, we carry a wide selection of Mishimoto aftermarket parts for popular performance, truck, SUV, and off-road applications. Popular Mishimoto Product Categories: Radiators & Cooling Components – Performance aluminum ...

Welcome to our curated collection of thermostats for your vehicle. Our selection includes reliable and efficient thermostats specifically designed to maintain optimal engine temperatures, enhance performance, and improve fuel efficiency. Why Choose Our Thermostats? High Quality: Each thermostat is manufactured using premium materials to ensure durability and reliability. Perfect Fit: Our products are compatible with various vehicle makes and models, ensuring a perfect fit. Enhanced Performance: Maintain the ideal engine temperature for better performance and longevity of your vehicle. Easy Installation: Designed for straightforward installation, making it easy for both professionals and DIY enthusiasts.   Featured Products Explore some of our top-rated thermostats: Thermostats Compatible with Ford and Chevrolet Thermostats Ideal for Honda and Toyota Thermostats Universal fit for most vehicles   Shop with Confidence When you shop our collection of thermostats for your vehicl...