{"product_id":"dorman-918-291-automatic-transmission-oil-cooler","title":"Dorman 918-291 Automatic Transmission Oil Cooler","description":"\u003ch2\u003eOverview of Dorman 918-291 Automatic Transmission Oil Cooler\u003c\/h2\u003e\u003cp\u003eThe Dorman 918-291 automatic transmission oil cooler is designed to provide reliable cooling performance for heavy-duty Chevrolet and GMC trucks. Engineered with durable aluminum construction, this cooler helps maintain optimal transmission temperatures for vehicles like the Silverado 2500 HD and Sierra 3500 HD.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCore material made from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eDimensions: 22.5 inches width, 10.5 inches height, 1.25 inches depth\u003c\/li\u003e\n\u003cli\u003eFive core rows for efficient heat dissipation\u003c\/li\u003e\n\u003cli\u003eInlet and outlet diameters of 0.48 inches with hose barb attachment\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for dependable performance\u003c\/li\u003e\n\u003cli\u003eBlack finish for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado and GMC Sierra heavy-duty models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis automatic transmission oil cooler by Dorman (part number 918-291) features a robust aluminum core with five rows, providing effective heat exchange to protect your transmission system. The cooler measures 22.5 inches wide, 10.5 inches tall, and 1.25 inches deep, making it suitable for installation in tight engine compartments. Both the inlet and outlet have 0.48-inch hose barb fittings, ensuring secure and leak-free connections. The black finish adds an extra layer of protection against environmental factors, extending the cooler's service life.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis transmission oil cooler is compatible with select Chevrolet and GMC heavy-duty trucks, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD and 3500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD and 3500 HD\u003c\/li\u003e\n\u003cli\u003eSilverado 3500 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed as a standard replacement part, meeting OEM specifications for these models to maintain proper transmission fluid temperatures under demanding conditions.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Transmission Oil Cooler\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOverheating of automatic transmission fluid during heavy towing or hauling\u003c\/li\u003e\n\u003cli\u003eReduced transmission efficiency due to elevated fluid temperatures\u003c\/li\u003e\n\u003cli\u003ePremature transmission wear caused by inadequate cooling\u003c\/li\u003e\n\u003cli\u003eFluid leaks from damaged or corroded coolers\u003c\/li\u003e\n\u003cli\u003eTransmission shifting problems related to overheating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInstallation hardware is not included; verify compatibility with existing fittings\u003c\/li\u003e\n\u003cli\u003eEnsure hose barb connections are secure and free of leaks\u003c\/li\u003e\n\u003cli\u003eInspect transmission fluid lines for wear or damage before installation\u003c\/li\u003e\n\u003cli\u003eFlush transmission fluid system if necessary to remove contaminants\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer guidelines for transmission cooler replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman 918-291 is manufactured to meet standard replacement quality, using corrosion-resistant aluminum for durability. While specific warranty details may vary, Dorman typically offers limited warranties on their replacement parts to ensure customer confidence and product reliability.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44331368120501,"sku":"BKKY-918-291","price":130.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_918291_Ang.jpg?v=1775012437","url":"https:\/\/www.partcatalog.com\/products\/dorman-918-291-automatic-transmission-oil-cooler","provider":"PartCatalog","version":"1.0","type":"link"}