{"product_id":"gdukop-engine-coolant-expansion-reservoir-tank-603-054-with-cap-pa-plastic-direct-fit-for-gm-trucks-and-suvs","title":"GDUKOP Engine Coolant Expansion Reservoir Tank 603-054 with Cap — PA Plastic Direct-Fit for GM Trucks and SUVs","description":"\u003cstrong\u003eGDUKOP 603-054 is a direct-fit engine coolant expansion reservoir tank with cap engineered to replace OE part numbers on many GM trucks and SUVs.\u003c\/strong\u003e\n\n\u003cp\u003eThis replacement coolant expansion tank is molded from heat-resistant PA plastic and includes the pressure cap, offering a durable, ready-to-install solution for cooling-system maintenance. It is designed to capture overflow coolant, relieve excess pressure as the engine warms, and return fluid to the radiator as temperatures normalize. The unit matches multiple original equipment numbers and arrives backed by a one-year unlimited-mileage warranty.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles is this expansion tank compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe GDUKOP 603-054 fits a wide range of General Motors full-size trucks and SUVs across several model years. Verify fitment by comparing your OE number or checking the listed models before purchase to ensure a correct match.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCadillac Escalade \/ Escalade ESV: 2007–2014\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 1500: 2007–2013; Silverado 2500\/3500: 2010–2013\u003c\/li\u003e\n\u003cli\u003eChevrolet Tahoe \/ Avalanche \/ Suburban (various model years listed)\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500\/2500\/3500 and Yukon \/ Yukon XL: 2007–2018 depending on model\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this tank function within the cooling system?\u003c\/h3\u003e\n\u003cp\u003eThe expansion tank, also called an antifreeze reservoir, stores and manages coolant volume changes caused by temperature fluctuation. As coolant heats and expands, the tank accepts overflow to prevent excessive pressure in the radiator. When the engine cools, coolant is drawn back into the cooling circuit to maintain proper fluid level and system performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAccepts expanded coolant to prevent radiator overpressure\u003c\/li\u003e\n\u003cli\u003eReturns coolant to the radiator as temperatures drop\u003c\/li\u003e\n\u003cli\u003eIncludes a pressure cap to regulate system pressure and release excess safely\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and quality standards does this replacement meet?\u003c\/h3\u003e\n\u003cp\u003eConstructed from high-temperature PA (polyamide) plastic, this reservoir is built to resist heat, vibration, and ordinary road stresses. The design and materials aim to provide long service life comparable to OEM parts, while resisting warping and premature failure often seen with lower-grade replacements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurable PA plastic resists heat and vibration\u003c\/li\u003e\n\u003cli\u003eFactory-style inlet and outlet locations for direct installation\u003c\/li\u003e\n\u003cli\u003eSupplied with matching pressure cap to maintain correct system operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich OE numbers does it replace, and what warranty is included?\u003c\/h3\u003e\n\u003cp\u003eThis GDUKOP expansion tank is manufactured to match several OE reference numbers so it can serve as a direct replacement during repairs. The product includes a limited one-year unlimited-mileage guarantee and direct customer support for questions or concerns after purchase.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces OE references such as 603-054, 22870828, 22797286, 15833723, 13502353, 797286\u003c\/li\u003e\n\u003cli\u003eOne-year unlimited-mileage warranty from date of purchase\u003c\/li\u003e\n\u003cli\u003eCustomer support promise: response within 48 hours for inquiries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This reservoir tank is intended for owners and technicians working on GM full-size trucks and SUVs listed above who need a reliable, direct-fit coolant expansion tank. It's suitable for DIYers performing cooling-system maintenance, independent repair shops replacing failed reservoirs, and fleet managers wanting an OEM-referenced replacement backed by a one-year warranty.\u003c\/p\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: Will this reservoir fit my 2012 Chevrolet Silverado 1500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the GDUKOP 603-054 is listed for Silverado 1500 model years 2007–2013; confirm by matching your vehicle's OE number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the tank include a pressure cap and warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it ships with the matching pressure cap and includes a one-year unlimited-mileage warranty.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GDUKOP","offers":[{"title":"Default Title","offer_id":67587246915769,"sku":"B0FBM62N32","price":117.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/gdukop-expansion-tank-front-view.jpg?v=1790502645","url":"https:\/\/redleafauto.ca\/products\/gdukop-engine-coolant-expansion-reservoir-tank-603-054-with-cap-pa-plastic-direct-fit-for-gm-trucks-and-suvs","provider":"Redleaf Auto","version":"1.0","type":"link"}