{"product_id":"boltigen-3-8-id-transmission-oil-cooler-hose-for-power-steering","title":"Boltigen 3\/8 ID Transmission Oil Cooler Hose, 20FT - Durable Line","description":"\u003cp\u003eOur review of the Boltigen 3\/8 ID Transmission Oil Cooler Hose looks at whether this 20ft cooler line is a dependable option for mechanics and DIYers who need a long, oil-resistant connection between an oil cooler and a transmission. The bottom line: this hose is aimed at people who want a professional-grade, SAE J1532 compliant cooler line with high working and burst pressures and wide temperature tolerance. It stands out for durability under heat and oil exposure, making it a practical choice when longevity and safety matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8 in inner diameter:\u003c\/strong\u003e Provides a standard fit for many transmission and power steering cooler connections without excessive bulk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 ft length:\u003c\/strong\u003e A long continuous run lets installers route hose cleanly in cars, trucks, off-road rigs, and industrial equipment without many joins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 PSI working pressure:\u003c\/strong\u003e Handles typical system pressures safely while the 1800 PSI burst rating offers a large safety margin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Rated from -40F to 302F so the hose resists hard freezes and extreme under-hood heat without failing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyester braid and CPE cover:\u003c\/strong\u003e The reinforced construction resists abrasion, oil, and environmental damage for long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE J1532 standard:\u003c\/strong\u003e Manufactured to a recognized transmission cooler hose standard for professional-grade reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis hose is best for automotive technicians, garage owners, and experienced DIYers replacing transmission cooler lines or building custom cooling runs on trucks, tractors, and off-road vehicles. The 20 ft length suits installations where a single continuous hose is preferred over multiple short pieces and clamps.\u003c\/p\u003e\n\u003cp\u003eThose looking for a pre-terminated hose assembly with fittings already attached, or a different diameter than 3\/8 in, should consider other products. Also, users who must meet a vehicle maker's unique OEM specification should verify compatibility before buying.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh working and burst pressures provide a strong safety margin for pressurized systems.\u003c\/li\u003e\n\u003cli\u003eRobust construction with polyester braid and CPE outer layer improves abrasion and oil resistance.\u003c\/li\u003e\n\u003cli\u003eWide operating temperature range keeps performance stable in extreme cold and heat.\u003c\/li\u003e\n\u003cli\u003eLong 20 ft length reduces the need for multiple fittings and joins, simplifying installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold as bulk hose only, so buyers will need to cut and fit their own connectors or clamps.\u003c\/li\u003e\n\u003cli\u003eSingle diameter (3\/8 in) limits use where larger or smaller lines are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner diameter\u003c\/td\u003e\n\u003ctd\u003e3\/8 in (9.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e0.67 in (16.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e20 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking pressure\u003c\/td\u003e\n\u003ctd\u003e300 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurst pressure\u003c\/td\u003e\n\u003ctd\u003e1800 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-40F to 302F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eSAE J1532\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone needing a durable, high-pressure transmission oil cooler hose in a 3\/8 in size, this 20 ft Boltigen line offers good value thanks to its reinforced construction, broad temperature tolerance, and SAE J1532 compliance. It is especially worthwhile when a long, single-run hose is preferred; however, buyers should be prepared to add their own fittings for specific fittings or OEM connections.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this hose be used for power steering fluid?\u003c\/strong\u003e\u003cbr\u003eYes, the hose is compatible with transmission fluid, power steering fluid, oil, and hydraulic fluids as specified.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the hose handle high under-hood temperatures?\u003c\/strong\u003e\u003cbr\u003eYes, the rated temperature range up to 302F means it withstands typical high-temperature engine bay conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with fittings attached?\u003c\/strong\u003e\u003cbr\u003eNo, this item is supplied as a 20 ft hose; installers must cut to length and attach appropriate fittings or clamps.\u003c\/p\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":48156251881691,"sku":"B0FFGM7DQH","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71y5iCYLULL._AC_SL1500.jpg?v=1768828052","url":"https:\/\/gearmusthave.com\/products\/boltigen-3-8-id-transmission-oil-cooler-hose-for-power-steering","provider":"GearMustHave","version":"1.0","type":"link"}