{"product_id":"gates-molded-coolant-hose-23183-black-oem-fit-epdm-reinforced-for-engine-cooling","title":"Gates Molded Coolant Hose 23183 — Black OEM-fit, EPDM Reinforced for Engine Cooling","description":"\u003cp\u003e\u003cstrong\u003eThe Gates 23183 Premium Molded Coolant Hose is a ready-to-install, OEM-spec replacement hose engineered for reliable coolant routing in upper, lower, bypass and heater applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and built to meet demanding automotive cooling system needs, this molded hose replaces factory parts without modifying vehicle routing. Gates combines purpose-formulated materials and precision shaping so the hose seals cleanly, resists collapse, and tolerates heat, ozone and common engine coolants. It’s part of Gates’ comprehensive molded coolant hose lineup made to save time and avoid dealer-only part hunts.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose match OEM fit and routing?\u003c\/h3\u003e\n\n\u003cp\u003eThe Gates 23183 is pre-formed to replicate original hose angles and lengths so it installs in the same location with the same clamps and connections. Precise molding reduces installation adjustments and ensures a proper seal where the hose meets fittings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-shaped geometry mirrors factory routing to prevent twists and kinks\u003c\/li\u003e\n  \u003cli\u003eDimensional tolerances aimed at OE compatibility for straightforward swap-in\u003c\/li\u003e\n  \u003cli\u003eSmooth inner tube for consistent coolant flow and secure clamp seating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials protect the hose from failure?\u003c\/h3\u003e\n\n\u003cp\u003eGates uses EPDM compounds for both the inner tube and outer cover, reinforced with a synthetic fiber knit to withstand pressure cycles and engine bay stresses. The material selection emphasizes resistance to ozone, heat and chemical additives found in modern coolants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEPDM tube and cover resist heat and common coolant chemistries\u003c\/li\u003e\n  \u003cli\u003eSynthetic fiber knit reinforcement strengthens pressure and flex life\u003c\/li\u003e\n  \u003cli\u003eFormulation reduces electrochemical degradation—the frequent root of hose breakdown\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this hose collapse or restrict flow under vacuum?\u003c\/h3\u003e\n\n\u003cp\u003eThe hose is engineered to resist collapse during engine vacuum conditions and rapid pressure swings, maintaining consistent coolant circulation. Reinforcement and wall construction preserve internal diameter under load to help avoid overheating or flow reduction issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to resist vacuum collapse for reliable coolant delivery\u003c\/li\u003e\n  \u003cli\u003eConsistent internal profile minimizes turbulence and localized wear\u003c\/li\u003e\n  \u003cli\u003eReinforcement preserves shape during long-term flexing and thermal cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat standards and approvals does the hose meet?\u003c\/h3\u003e\n\n\u003cp\u003eThe Gates 23183 conforms to established industry requirements so you get proven mechanical performance and interchangeability. While tolerances may vary, the hose meets SAE 20R4 class D2 and DIN 73411 class A benchmarks for molded coolant hose construction.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets SAE 20R4, class D2 mechanical and material guidelines\u003c\/li\u003e\n  \u003cli\u003eComplies with DIN 73411 class A criteria except for stated tolerance differences\u003c\/li\u003e\n  \u003cli\u003eManufactured to deliver consistent quality across replacement applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Technicians, DIY mechanics and fleet maintenance teams who need a dependable, direct-fit radiator or heater hose replacement will benefit from the Gates 23183. It’s suited for anyone wanting a long-lasting molded coolant hose that reduces install time, minimizes returns, and resists the common causes of hose failure without needing dealer-only parts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey features at a glance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-shaped molded design for accurate OEM routing and quick installation\u003c\/li\u003e\n  \u003cli\u003eEPDM inner tube and cover with synthetic fiber knit reinforcement\u003c\/li\u003e\n  \u003cli\u003eHeat-, ozone- and coolant-resistant construction for extended service life\u003c\/li\u003e\n  \u003cli\u003eEngineered to resist vacuum collapse and electrochemical degradation\u003c\/li\u003e\n  \u003cli\u003eManufactured to SAE 20R4 class D2 and DIN 73411 class A requirements (tolerance exceptions noted)\u003c\/li\u003e\n\u003c\/ul\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 Gates 23183 a direct replacement for OEM hoses?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s pre-shaped to match factory routing and is made to OEM-quality specifications for direct installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What materials are used in the Gates 23183 hose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It uses EPDM inner tube and cover with a synthetic fiber knit reinforcement for heat and chemical resistance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":67591397736633,"sku":"B000UOE1XS","price":69.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/gates-23183-front-packaging.jpg?v=1790549478","url":"https:\/\/redleafauto.ca\/products\/gates-molded-coolant-hose-23183-black-oem-fit-epdm-reinforced-for-engine-cooling","provider":"Redleaf Auto","version":"1.0","type":"link"}