{"product_id":"cold-case-gmt558-family","title":"1967–1976 Chevy\/GMC Truck Radiator | Cold Case GMT558 Options","description":"\u003cp\u003eThe Cold Case GMT558 aluminum radiator family offers two oversized 1.25-inch tube rows, OE-style stamped tanks, and a choice of polished or Black Night Rider finishes for Chevy\/GMC trucks. Both versions are specified for automatic transmissions.\u003c\/p\u003e\u003ch3\u003eCheck fitment before ordering\u003c\/h3\u003e\u003cp\u003eThe supplier describes these radiators for \u003cstrong\u003e1967–1976 Chevy\/GMC trucks\u003c\/strong\u003e, but lists \u003cstrong\u003edirect fitment specifically for 1967–1972 GM trucks\u003c\/strong\u003e. Fitment for 1973–1976 requires confirmation before ordering. Compare the dimensions, hose connections, and mounting requirements below with your truck.\u003c\/p\u003e\u003ch3\u003eBuild a radiator, fan \u0026amp; shroud package\u003c\/h3\u003e\u003cp\u003eLooking to choose your cooling components together? Visit our \u003ca href=\"\/products\/build-a-radiator-fan-shroud-kit-for-your-project\"\u003eRadiator, Fan \u0026amp; Shroud Kit Builder\u003c\/a\u003e. Review the available radiator and shroud options, selected kit contents, and fitment before ordering.\u003c\/p\u003e\u003ch3\u003eMatching dual 14-inch fan shroud\u003c\/h3\u003e\u003cp\u003ePair your radiator with \u003ca href=\"\/products\/1966-to-1976-gm-trucks-dual-14-inch-fan-shroud-for-cold-case-gmt558-raw-alluminum\"\u003eFMG's dual 14-inch fan shroud for Cold Case GMT558\u003c\/a\u003e. The shroud listing specifies compatibility with both GMT558A and GMT558AB. Confirm engine and accessory clearance before ordering.\u003c\/p\u003e\u003cp\u003eThis is an FMG aftermarket shroud, not a Cold Case-manufactured part. The shroud is sold separately; fans and installation accessories are not included. See the shroud listing for compatible fan options, or compare \u003ca href=\"\/pages\/fan-cfm-test-data\"\u003eMonty's independent fan CFM test results\u003c\/a\u003e before choosing your fans.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAlready have your radiator?\u003c\/strong\u003e Use our \u003ca href=\"\/products\/shroud-and-fan-kit-kljhzas\"\u003eShroud \u0026amp; Fan Kit Builder\u003c\/a\u003e to choose your shroud and fans together. \u003cstrong\u003eThe radiator is sold separately from this shroud-and-fan kit.\u003c\/strong\u003e Review your selected kit contents and installation requirements before ordering.\u003c\/p\u003e\u003ch3\u003eChoose your finish\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGMT558A — Polished:\u003c\/strong\u003e Polished OE-style tanks with original-appearing stamping. The supplier notes that the radiator can be painted for a more original appearance. Previous part number: RPE558A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGMT558AB — Black Night Rider:\u003c\/strong\u003e Black powder-coated aluminum with OE-style stamped tanks for a stock-appearing finish. The supplier specifies use with 4-core mounting brackets and insulators, or modification of the 3-core version, and states that this version works with the factory fan shroud. Transmission cooler fitting: 5\/16-inch inverted flare.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShared construction and cooling features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e100% TIG-welded aluminum construction.\u003c\/li\u003e\n\u003cli\u003eTwo rows of oversized 1.25-inch tubes. The supplier positions this design as a cooling alternative to 3- and 4-row aluminum radiators.\u003c\/li\u003e\n\u003cli\u003e16 fins per inch.\u003c\/li\u003e\n\u003cli\u003eCorrugated fins provide additional surface area for heat transfer.\u003c\/li\u003e\n\u003cli\u003ePressure tested.\u003c\/li\u003e\n\u003cli\u003eSpecified for automatic transmissions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDimensions and hose connections\u003c\/h3\u003e\u003cp\u003eThe following specifications apply to both GMT558A and GMT558AB:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore height:\u003c\/strong\u003e 17.25 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore width:\u003c\/strong\u003e 28.35 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall height:\u003c\/strong\u003e 18.6 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall width:\u003c\/strong\u003e 34 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall thickness:\u003c\/strong\u003e 3 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubes:\u003c\/strong\u003e Two rows of 1.25-inch tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpper hose connection:\u003c\/strong\u003e 1.50 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower hose connection:\u003c\/strong\u003e 1.77 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTransmission cooler fitting:\u003c\/strong\u003e The supplier lists a 5\/16-inch inverted flare fitting for GMT558AB. A fitting size is not provided in the current GMT558A specifications; confirm before ordering if needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupplier warranty:\u003c\/strong\u003e Limited Lifetime Warranty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCALIFORNIA WARNING:\u003c\/strong\u003e Cancer and Reproductive Harm - www.P65Warnings.ca.gov\u003c\/p\u003e","brand":"Cold Case Radiators","offers":[{"title":"Polished","offer_id":52898760786200,"sku":"GMT558A-GSWT","price":415.54,"currency_code":"USD","in_stock":true},{"title":"Black Night Rider","offer_id":52898760818968,"sku":"GMT558AB-GSWT","price":455.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/5324\/8413\/files\/GMT558A_67_to_76_GM_Trucks.jpg?v=1793547747","url":"https:\/\/fastmontysgarage.com\/products\/cold-case-gmt558-family","provider":"Fast Monty's Garage - The Shop","version":"1.0","type":"link"}