{"product_id":"cu2458-kax-replacement-radiator-for-trailblazer-envoy-durable-fit","title":"CU2458 KAX Replacement Radiator for Trailblazer \u0026 Envoy - Durable Fit","description":"\u003cp\u003eIn this review the CU2458 KAX replacement radiator is examined as a direct-fit cooling solution for a range of GM SUVs and extended models. It is aimed at owners of Trailblazer, Envoy, Rainier, Bravada, Ascender and related models who need a reliable replacement radiator that matches original equipment fitment; the single biggest reason to buy is the combination of an aluminum core with high-grade plastic tanks and leak-tested construction that delivers dependable cooling and long service life.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle compatibility:\u003c\/strong\u003e Designed to fit Trailblazer, Trailblazer EXT, Envoy, Envoy XL, Envoy XUV, Rainier, Bravada and Ascender model years listed, which simplifies part selection for owners of those vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial construction:\u003c\/strong\u003e An aluminum core paired with high-grade plastic water tanks provides strong thermal conductivity and corrosion resistance for efficient engine cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-tested:\u003c\/strong\u003e Each radiator undergoes leak-proof testing before shipment to help ensure it arrives ready for installation and long-term service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShockproof packaging:\u003c\/strong\u003e Foam secured in four corners and reinforced packaging reduce the risk of shipping damage and deformation during transit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference coverage:\u003c\/strong\u003e Multiple reference numbers are provided to aid identification and confirm compatibility before purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty and support:\u003c\/strong\u003e Backed by a one year warranty and direct customer support from the manufacturer for fitment or quality questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis radiator is best for DIY mechanics and professional installers working on 4.2L versions of Trailblazer, Envoy, Rainier and platform-mate SUVs from the 2002 to 2009 model years who want a like-for-like OEM replacement with modern materials. It is especially appropriate for owners who value a direct-fit part that reduces modification time and avoids custom fabrication.\u003c\/p\u003e\n\u003cp\u003eThose seeking radiators for non-listed vehicles, unusual engine swaps, or who require integrated sensors or extra cooling accessories should look elsewhere; this unit focuses on straightforward replacement fitment rather than aftermarket performance upgrades or added plumbing features.\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\u003eDirect-fit compatibility with multiple GM SUV models simplifies ordering and installation.\u003c\/li\u003e\n\u003cli\u003eAluminum core and high-grade plastic tanks provide good heat transfer and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eLeak-tested at the factory to reduce chance of early failure out of the box.\u003c\/li\u003e\n\u003cli\u003eSecure, shockproof packaging helps ensure the part arrives undamaged.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot intended as a performance upgrade; it is a replacement part that mirrors original equipment capability.\u003c\/li\u003e\n\u003cli\u003eFitment must be confirmed against vehicle details to ensure exact match for some model-year variants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKAX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ Reference\u003c\/td\u003e\n\u003ctd\u003eCU2458 (multiple reference numbers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible vehicles\u003c\/td\u003e\n\u003ctd\u003eTrailblazer, Trailblazer EXT, Envoy, Envoy XL, Envoy XUV, Rainier, Bravada, Ascender\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable years\u003c\/td\u003e\n\u003ctd\u003e2002-2009 (model-specific years listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore material\u003c\/td\u003e\n\u003ctd\u003eAluminum core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank material\u003c\/td\u003e\n\u003ctd\u003eHigh-grade plastic water tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eOne year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe CU2458 KAX replacement radiator is a sensible, value-focused choice for owners of the listed GM SUVs who need an OEM-style radiator that fits without modification. Its aluminum core, factory leak testing, and protective packaging make it a dependable replacement part; confirm fitment for your exact model year and this radiator delivers straightforward installation and reliable cooling at a competitive price.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this radiator fit my specific model year?\u003c\/strong\u003e\u003cbr\u003eCheck your vehicle details against the listed compatible years and reference numbers using the fitment tool on the product page to confirm a precise match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the radiator come leak-tested?\u003c\/strong\u003e\u003cbr\u003eYes, each unit is stated to undergo leak-proof testing before shipment to reduce the risk of arrival defects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty and support are offered?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer provides a one year warranty and customer support for fitment or quality concerns.\u003c\/p\u003e","brand":"KAX","offers":[{"title":"Default Title","offer_id":48154673053915,"sku":"B0D7M3T4JL","price":92.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81CI3uh5iWL._AC_SL1500.jpg?v=1768736822","url":"https:\/\/gearmusthave.com\/products\/cu2458-kax-replacement-radiator-for-trailblazer-envoy-durable-fit","provider":"GearMustHave","version":"1.0","type":"link"}