{"product_id":"coolant-reservoir-tank-with-cap-compatible-with-silverado-1500-sierra-603-973","title":"Coolant Reservoir Tank with Cap Compatible with Silverado 1500 Sierra 603-973","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket coolant reservoir tank with cap is a replacement cooling-system component for Silverado 1500 and Sierra applications. Part number 603-973 is supplied as the identifying part number for this reservoir tank.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCoolant reservoir tank design\u003c\/li\u003e\n\u003cli\u003eIncludes a cap\u003c\/li\u003e\n\u003cli\u003eReplacement part for Silverado 1500\u003c\/li\u003e\n\u003cli\u003eReplacement part for Sierra\u003c\/li\u003e\n\u003cli\u003ePart number 603-973\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFor Silverado 1500\u003c\/li\u003e\n\u003cli\u003eFor Sierra\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProduct Type: Coolant reservoir tank with cap\u003c\/li\u003e\n\u003cli\u003eIncluded Component: Cap\u003c\/li\u003e\n\u003cli\u003ePart Number: 603-973\u003c\/li\u003e\n\u003cli\u003eModel Applications: For Silverado 1500; for Sierra\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the normal purpose of this product? \u003cstrong\u003eA:\u003c\/strong\u003e It serves as a replacement coolant reservoir tank with cap for the referenced vehicle applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How should fitment be verified before purchase? \u003cstrong\u003eA:\u003c\/strong\u003e Confirm whether the vehicle is a Silverado 1500 or Sierra and compare part number 603-973 with the existing component before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part for the referenced application and is not represented as genuine or original equipment. Compatibility may vary by model, production date, serial number, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"RivetOak","offers":[{"title":"Default Title","offer_id":49126947782756,"sku":"LL1B17491","price":114.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/6647\/7156\/files\/s-l1600_c13e805b-50d2-4e6c-82d6-bfa82271cb45.jpg?v=1789191477","url":"https:\/\/www.rivetoak.com\/products\/coolant-reservoir-tank-with-cap-compatible-with-silverado-1500-sierra-603-973","provider":"RivetOak","version":"1.0","type":"link"}