{"product_id":"ford-motorcraft-rs-531-coolant-reservoir-tank-cap-2020-2026-6-7l-3-0l-powerstroke","title":"Ford Motorcraft RS-531 Coolant Reservoir Tank Cap 2020-2026 6.7L \u0026 3.0L Powerstroke","description":"\u003cp\u003eMaintain proper cooling system pressure with this Genuine Ford Motorcraft RS-531 Coolant Reservoir Expansion Tank Cap, designed for 2018–2021 Ford F-150 3.0L Powerstroke and 2020–2026 Ford Super Duty 6.7L Powerstroke diesel engines.\u003c\/p\u003e\n\u003cp\u003eA worn or damaged coolant reservoir cap can allow pressure to escape from the cooling system, resulting in coolant loss, overheating, or reduced cooling system efficiency. Replacing it with a Genuine Ford Motorcraft cap restores the factory pressure rating and ensures a secure, leak-free seal for reliable engine operation.\u003c\/p\u003e\n\u003cp\u003eManufactured to Ford's exact engineering specifications, this OEM cap delivers the fit, durability, and long-lasting performance your Powerstroke deserves.\u003c\/p\u003e\n\u003cp\u003eWhether you're replacing a leaking cap or performing preventative maintenance, the RS-531 is a direct-fit replacement engineered for years of dependable service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits:\u003c\/strong\u003e\u003cbr\u003e- Genuine Ford Motorcraft OEM replacement\u003cbr\u003e- Direct replacement coolant reservoir expansion tank cap\u003cbr\u003e- Maintains proper cooling system pressure\u003cbr\u003e- Helps prevent coolant leaks and overheating\u003cbr\u003e- Precision-engineered sealing surface for leak-free performance\u003cbr\u003e- Manufactured to Ford's OEM quality standards\u003cbr\u003e- Durable construction for long service life\u003cbr\u003e- Simple direct-fit installation\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e\u003cbr\u003eFord Part Number: DG9Z-8100-A\u003cbr\u003eMotorcraft Part Number: RS-531\u003cbr\u003eReplaces: RS-530 \/ BE8Z-8100-A\u003cbr\u003eUPC: 031508611429\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment: \u003c\/strong\u003e\u003cbr\u003e2020–2026 Ford F-250\/F-350\/F-450\/F-550 Super Duty 6.7L Powerstroke Diesel\u003cbr\u003e2018-2021 Ford F-150 3.0L Powerstroke Diesel\u003c\/p\u003e","brand":"Ford \/ Motorcraft","offers":[{"title":"Default Title","offer_id":47745734672562,"sku":"RS-531 \/ DG9Z-8100-A","price":27.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1892\/2185\/files\/IMG_5333.jpg?v=1784742735","url":"https:\/\/backwoodsdiesel.com\/products\/ford-motorcraft-rs-531-coolant-reservoir-tank-cap-2020-2026-6-7l-3-0l-powerstroke","provider":"BackWoods Diesel","version":"1.0","type":"link"}