{"product_id":"x4xz-603973-coolant-overflow-reservoir-tank-with-cap-for-gm-trucks","title":"X4XZ 603973 Coolant Overflow Reservoir Tank with Cap for GM Trucks","description":"\u003cdiv\u003e\n  \u003cp\u003e\u003cstrong\u003eX4XZ\u003c\/strong\u003e 603973 Coolant Overflow Reservoir Tank with Cap is a purposeful replacement designed for GM family vehicles. Engineered to accommodate coolant expansion and contraction, it helps maintain steady cooling system behavior as you drive.\u003c\/p\u003e\n  \u003ch2\u003eDesigned for a wide GM vehicle range\u003c\/h2\u003e\n  \u003cp\u003eThe reservoir is a compatible fit for Cadillac Escalade lineups (2015–2018, 6.2L engines, including ESV variants), GMC Sierra 1500 across multiple trims, Chevrolet Silverado 1500, Tahoe, and Suburban models from 2014–2018, along with Yukon and Yukon XL family members. The data-backed fitment aims to help you verify a direct replacement for your specific build. Please review the second main image to confirm compatibility with your car before purchasing.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eCadillac Escalade (2015–2018) 6.2L and Escalade ESV variants\u003c\/li\u003e\n    \u003cli\u003eGMC Sierra 1500 (2014–2018) across multiple engines\u003c\/li\u003e\n    \u003cli\u003eChevrolet Silverado 1500 (2014–2018) and Tahoe\/Suburban variants\u003c\/li\u003e\n    \u003cli\u003eYukon \/ Yukon XL (2015–2018) lineups\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch2\u003eWhat this reservoir offers\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eProvides a dedicated expansion space for excess coolant as the engine heats up\u003c\/li\u003e\n    \u003cli\u003eHelps maintain a consistent temperature range within the cooling system during operation\u003c\/li\u003e\n    \u003cli\u003eDurable construction designed to withstand regular use and road conditions\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch2\u003eQuality, fit, and installation\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eOE-style part numbers referenced: 603-973, 22856231, 13502354, 3014134, 67100359\u003c\/li\u003e\n    \u003cli\u003ePackage includes: 1 x coolant reservoir tank; instruction manual not included\u003c\/li\u003e\n    \u003cli\u003eThorough testing for fit and performance on targeted vehicle applications\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is highly recommended for best results\u003c\/li\u003e\n    \u003cli\u003eAfter-sales support: 24-hour service and 1-year product coverage\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eIf you’re replacing an aging reservoir, this model presents a practical option to refresh the cooling system without altering engine components. It’s important to compare the second main image for exact compatibility and to consult a professional for installation if needed.\u003c\/p\u003e\n\u003c\/div\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: What vehicles is this reservoir compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits select GM models listed in the data; verify your year and engine to confirm compatibility before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the package and installation guidance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Package includes one reservoir tank; instruction manual not included; professional installation is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"X4XZ","offers":[{"title":"Default Title","offer_id":42487189110869,"sku":"B0F5PY48FN","price":77.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/x4xz-603973-coolant-reservoir-tank.jpg?v=1778427405","url":"https:\/\/plentytorque.co.uk\/products\/x4xz-603973-coolant-overflow-reservoir-tank-with-cap-for-gm-trucks","provider":"PlentyTorque","version":"1.0","type":"link"}