{"product_id":"gates-31335-radiator-cap","title":"Gates 31335 Radiator Cap","description":"\u003ch2\u003eReliable Cooling System Protection for Audi, Porsche, and Volkswagen\u003c\/h2\u003e\u003cp\u003eThe Gates OE Type Radiator Cap 31335 is designed to maintain optimal pressure in your vehicle's cooling system. Engineered as a threaded coolant bottle cap, it ensures a secure seal for closed coolant recovery systems in select Audi, Porsche, and Volkswagen models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThreaded coolant bottle cap design for secure fitment\u003c\/li\u003e\n\u003cli\u003ePressure rating of 20 psi (SAE range 18-22 psi) to maintain system integrity\u003c\/li\u003e\n\u003cli\u003eCap depth of 0.88 inches (22 mm) for precise sealing\u003c\/li\u003e\n\u003cli\u003eFiller neck inside diameter of 1.31 inches (33 mm) and outside diameter of 2.16 inches (55 mm)\u003c\/li\u003e\n\u003cli\u003eShell diameter of 2.27 inches for compatibility with specified filler necks\u003c\/li\u003e\n\u003cli\u003eCompatible with closed coolant recovery systems\u003c\/li\u003e\n\u003cli\u003eOE performance rating ensuring reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Gates OE Type Radiator Cap Line\u003c\/h2\u003e\u003cp\u003eThe OE Type Radiator Cap line from Gates is engineered to meet original equipment specifications, providing consistent pressure control and sealing performance. This product line focuses on delivering precise fit and function for vehicles requiring threaded coolant bottle caps, such as many Audi, Porsche, and Volkswagen models. The 31335 part number represents a cap designed to maintain the correct pressure and prevent coolant loss in closed recovery systems.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Gates 31335 radiator cap features a threaded design with a cap depth of 0.88 inches (22 mm), ensuring a tight seal on the coolant bottle filler neck. The filler neck dimensions include an inside diameter of 1.31 inches (33 mm) and an outside diameter of 2.16 inches (55 mm), with a shell diameter of 2.27 inches. This cap is rated for 20 psi pressure, within the SAE pressure range of 18-22 psi, making it suitable for maintaining proper coolant system pressure and preventing overheating or coolant loss. It is specifically designed for closed coolant recovery systems, commonly found in Audi, Porsche, and Volkswagen vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi models including 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200, 200 Quattro, A4, A4 Quattro, A6, A6 Quattro, A8, A8 Quattro, S4, S6, S8, and V8 Quattro\u003c\/li\u003e\n\u003cli\u003eFits Porsche models such as 924, Boxster, Cabriolet, Corsar, Coupe, Coupe Quattro, and 4000, 4000 Quattro\u003c\/li\u003e\n\u003cli\u003eSuitable for Volkswagen models including Atlantic, Fox, Golf, Jetta, Quantum, Quattro, Rabbit Convertible, and Rabbit Pickup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Cooling System Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents coolant leakage due to improper sealing\u003c\/li\u003e\n\u003cli\u003eMaintains correct system pressure to avoid overheating\u003c\/li\u003e\n\u003cli\u003eSupports closed coolant recovery system operation\u003c\/li\u003e\n\u003cli\u003eReduces risk of radiator cap failure under pressure\u003c\/li\u003e\n\u003cli\u003eHelps maintain coolant system efficiency and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the radiator cap threads match the filler neck dimensions before installation. Clean the filler neck area to remove debris or old coolant residue. Screw the cap on firmly until it seats properly to maintain the 20 psi pressure rating. Regular inspection of the cap and cooling system is recommended to detect wear or damage early.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Gates OE Type Radiator Cap 31335 is manufactured to meet original equipment standards, ensuring reliable performance and durability. It carries an OE comparison rating, confirming its suitability as a replacement part. Please refer to Gates' official warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":52078457979061,"sku":"BBSC-31335","price":20.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_31335_Fro.jpg?v=1775146549","url":"https:\/\/www.partcatalog.com\/products\/gates-31335-radiator-cap","provider":"PartCatalog","version":"1.0","type":"link"}