{"product_id":"coolant-expansion-tank-with-cap-sensor-port-replaces-22856231-603-973","title":"Coolant Expansion Tank with Cap \u0026 Sensor Port - Replaces 22856231, 603-973","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket coolant expansion tank includes a cap and sensor port for replacing a corresponding tank in a vehicle cooling system. It replaces part numbers 22856231 and 603-973.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAftermarket coolant expansion tank\u003c\/li\u003e\n\u003cli\u003eCap included\u003c\/li\u003e\n\u003cli\u003eSensor port included\u003c\/li\u003e\n\u003cli\u003eReplaces part number 22856231\u003c\/li\u003e\n\u003cli\u003eReplaces part number 603-973\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement reference: 22856231\u003c\/li\u003e\n\u003cli\u003eReplacement reference: 603-973\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Coolant expansion tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Component:\u003c\/strong\u003e Cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Sensor port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Part Number:\u003c\/strong\u003e 22856231\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Part Number:\u003c\/strong\u003e 603-973\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 a coolant expansion tank? \u003cstrong\u003eA:\u003c\/strong\u003e A coolant expansion tank serves as a reservoir within a vehicle cooling system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How can I verify fitment before purchase? \u003cstrong\u003eA:\u003c\/strong\u003e Confirm that your existing part number matches 22856231 or 603-973, and verify the complete vehicle and part details before purchase.\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":49126771523684,"sku":"LL1B15533","price":94.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/6647\/7156\/files\/s-l1600_04c9c8df-4cf6-4dd0-99ba-c042a5f06e25.jpg?v=1789178619","url":"https:\/\/www.rivetoak.com\/products\/coolant-expansion-tank-with-cap-sensor-port-replaces-22856231-603-973","provider":"RivetOak","version":"1.0","type":"link"}