Cobb 22-23 Subaru WRX Coolant Overflow Tank

COBB Tuning Performance Parts deliver proven power gains with factory-like drivability backed by an “Engineered Performance” approach trusted by enthusiasts, pro tuners, and performance shops worldwide. Founded in 1999 and now headquartered in Austin, Texas, COBB designs, engineers, tests, and supports its products in-house to ensure reliable results across today’s most popular performance platforms. Shop the full lineup of COBB Tuning performance parts at Black Ops Auto Works, including ECU tuning solutions, bolt-on upgrades, and staged power packages built to work together for predictable, repeatable performance. COBB ECU Tuning & Accessport The COBB Accessport is one of the most trusted ECU tuning devices in the industry. It enables safe ECU flashing, live data monitoring, diagnostics (read/clear codes), and tuning management helping drivers unlock stronger throttle response, improved drivability, and dependable horsepower and torque gains when paired with the right supportin...

Welcome to our exclusive collection of Coolant Reservoirs, designed to enhance the efficiency and performance of your vehicle's cooling system. Our curated selection features high-quality reservoirs that are essential for maintaining optimal engine temperature, preventing overheating, and ensuring longevity. Whether you're a professional mechanic or a DIY enthusiast, our coolant reservoirs are a must-have for any automotive project. Why Choose Our Coolant Reservoirs? Durability: Made from robust materials that can withstand extreme temperatures and pressures. Precision Fit: Engineered to fit a variety of makes and models, ensuring seamless installation. Enhanced Performance: Our reservoirs effectively manage coolant levels, improving overall engine performance.   Features of Our Coolant Reservoirs Each of our coolant reservoirs is crafted with attention to detail, offering features that set them apart: Clear visibility for easy level monitoring. Corrosion-resistant designs for...

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...