{"product_id":"gates-molded-coolant-hose-22437-oe-style-epdm-radiator-heater-hose-direct-fit","title":"Gates Molded Coolant Hose 22437 — OE-Style EPDM Radiator \u0026 Heater Hose, Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eGates 22437 Premium Molded Coolant Hose is a pre-shaped, OE-compatible radiator and heater hose engineered to deliver a reliable, leak-resistant coolant pathway for upper, lower, bypass and heater applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis molded coolant hose from Gates is designed to match original equipment form and function while using durable materials that resist collapse, chemical attack and ozone deterioration. Built with an EPDM tube, synthetic fiber knit reinforcement and an EPDM cover formulated for heat and coolant resistance, the 22437 offers a factory-style replacement without the need to source parts from an OE dealer. It’s part of Gates’ extensive molded hose lineup aimed at offering technicians and DIYers a broad selection of direct-fit replacement hoses.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose match original equipment fit and routing?\u003c\/h3\u003e\n\u003cp\u003eThe Gates 22437 is premolded to mirror the bends and attachment points of the factory hose so it installs without modification. That OE-like shaping helps ensure proper clearance from nearby components and secure sealing at the connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-formed contours replicate factory routing for correct fit.\u003c\/li\u003e\n  \u003cli\u003ePrecision end shapes for consistent clamp sealing.\u003c\/li\u003e\n  \u003cli\u003eDesigned to avoid contact with pulleys, brackets and chassis parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction give this hose long-term durability?\u003c\/h3\u003e\n\u003cp\u003eThis hose combines an EPDM inner tube and cover with a synthetic fiber knit reinforcement to resist vacuum collapse and maintain strength under pressure. The cover is engineered to withstand heat, ozone and exposure to typical engine coolants, reducing the common failure modes of replacement hoses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEPDM tube resists coolant chemicals and temperature swings.\u003c\/li\u003e\n  \u003cli\u003eSynthetic fiber knit reinforcement maintains shape and pressure tolerance.\u003c\/li\u003e\n  \u003cli\u003eEPDM cover formulated for ozone and heat resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the 22437 stand up to the common causes of hose failure?\u003c\/h3\u003e\n\u003cp\u003eGates addresses leading failure mechanisms by selecting materials that resist electrochemical degradation and collapse under vacuum. That makes the 22437 less prone to premature deterioration compared with hoses made from lower-grade compounds.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered to limit electrochemical degradation at clamped connections.\u003c\/li\u003e\n  \u003cli\u003eConstruction resists collapse during engine vacuum conditions.\u003c\/li\u003e\n  \u003cli\u003eMeets SAE 20R4 class D2 and DIN 73411 class A requirements for performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and what applications does it cover?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone replacing upper, lower, bypass or heater hoses; the pre-shaped design minimizes trimming or alteration. Gates supplies this hose as a direct-fit option for applications that require the 22437 geometry and specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit pre-shaped hose reduces installation time and adjustments.\u003c\/li\u003e\n  \u003cli\u003eFits a wide range of coolant system positions—upper, lower, bypass and heater.\u003c\/li\u003e\n  \u003cli\u003eSized and finished for clamp compatibility and leak-free sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Gates 22437 Premium Molded Coolant Hose is intended for automotive technicians, fleet maintenance shops and knowledgeable DIYers who need an OEM-matching replacement that emphasizes durability and correct fit. Choose this hose when you want a factory-style molded part with materials and construction designed to resist the common modes of coolant hose failure while keeping installation quick and predictable.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Gates 22437 a direct replacement for OEM hoses?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 22437 is pre-shaped for OE-like fit and installs without trimming in compatible applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What materials are used in this molded coolant hose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It uses an EPDM tube and cover with a synthetic fiber knit reinforcement to resist heat, ozone and coolant chemicals.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":48086782312606,"sku":"B000C2Y5IY","price":54.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gates-22437-front-packaging.jpg?v=1785904933","url":"https:\/\/northtrailauto.ca\/products\/gates-molded-coolant-hose-22437-oe-style-epdm-radiator-heater-hose-direct-fit","provider":"North Trail Auto","version":"1.0","type":"link"}