{"product_id":"gates-33556-engine-coolant-thermostat","title":"Gates 33556 Engine Coolant Thermostat","description":"\u003ch2\u003eReliable Cooling Control for Mercedes-Benz Vehicles\u003c\/h2\u003e\u003cp\u003eThe Gates OE Type Thermostat 33556 is engineered to maintain optimal engine temperature for select Mercedes-Benz models. Designed with durable steel and copper materials, this engine coolant thermostat ensures precise temperature regulation and efficient engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from steel and copper for durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eReverse poppet bottom-blocking by-pass design for effective coolant flow\u003c\/li\u003e\n\u003cli\u003eSealing flange outside diameter of 2.63 inches for secure fitment\u003c\/li\u003e\n\u003cli\u003eHeight between flanges measures 1.23 inches for proper installation\u003c\/li\u003e\n\u003cli\u003eStarts to open at 167°F (75°C) to regulate engine temperature accurately\u003c\/li\u003e\n\u003cli\u003eIncludes one jiggle pin weep hole to prevent air lock\u003c\/li\u003e\n\u003cli\u003eOE type thermostat ensuring original equipment performance standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Gates OE Type Thermostat Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Type Thermostat line by Gates is designed to meet original equipment specifications, providing reliable temperature control and compatibility with factory systems. This product line focuses on delivering thermostats that match the exact fit and function required by vehicle manufacturers, including Mercedes-Benz models such as the 300SEL, 380SE, and 500SEL.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates 33556 thermostat features a reverse poppet bottom-blocking by-pass design, which allows coolant to circulate efficiently when the thermostat is closed, preventing hot spots and ensuring consistent engine temperature. The thermostat opens at 167°F (75°C), allowing coolant flow to the radiator to prevent overheating. Its steel and copper construction offers corrosion resistance and long service life. The sealing flange outside diameter of 2.63 inches and height between flanges of 1.23 inches ensure a precise fit in the cooling system housing. Additionally, the included jiggle pin weep hole helps release trapped air, improving coolant circulation and system reliability.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMercedes-Benz 300SEL engine cooling regulation\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz 380SE and 380SEC temperature control\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz 380SEL, 380SL, and 380SLC cooling system maintenance\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz 500SEC and 500SEL engine temperature management\u003c\/li\u003e\n\u003cli\u003eReplacement for OE thermostats requiring precise fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eThis thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the sealing flange dimensions and height to confirm compatibility with your vehicle’s thermostat housing. Proper installation is critical to avoid leaks and ensure accurate temperature regulation. Inspect the cooling system for any signs of wear or damage during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Gates OE Type Thermostat 33556 is manufactured to meet OE performance standards, ensuring reliable operation in Mercedes-Benz vehicles. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to maintain durability and performance.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":52138086891701,"sku":"BBSC-33556","price":23.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_33556_Fro.jpg?v=1775231873","url":"https:\/\/www.partcatalog.com\/products\/gates-33556-engine-coolant-thermostat","provider":"PartCatalog","version":"1.0","type":"link"}