Wynn’s\u00ae Radiator Stop Leak is designed to protect against coolant leaks by sealing most leaks in the radiator, heater core, engine block freeze plugs, and cylinder head gaskets.
\nWynn’s\u00ae Radiator Stop Leak is added to new engine coolant after a complete cooling system flush or to the cooling system between scheduled maintenance.
\n**Features and Benefits:**
\n\u2714 Stops common coolant and cooling system leaks
\n\u2714 Protects against coolant loss
\n\u2714 Does not clog the radiator core
\n\u2714 Compatible with all standard, extended-life, and hybrid coolants
\n\u2714 Dye-free to be compatible with any color antifreeze
\n**Applications:**
\nAdd to coolant as needed or after changing the radiator fluid.
\n**Directions for Use:**
\nAdd the product when the engine is warm.
\nRemove the radiator cap, shake well, and pour the contents of the bottle into the cooling system.
\n**Note:**
\nNot intended for mechanical repairs.
\nNever add to a radiator fluid exchange machine.<\/p>\n","protected":false},"excerpt":{"rendered":"
Wynn’s\u00ae Radiator Stop Leak is designed to protect against coolant leaks by sealing most leaks in the radiator, heater core, engine block freeze plugs, and cylinder head gaskets. Wynn’s\u00ae Radiator Stop Leak is added to new engine coolant after a complete cooling system flush or to the cooling system between scheduled maintenance. **Features and Benefits:** […]<\/p>\n","protected":false},"featured_media":389063,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"pmpro_default_level":""},"product_brand":[],"product_cat":[17681,16595],"product_tag":[],"giftcard-category":[],"offer_category":[],"class_list":["post-385128","product","type-product","status-publish","has-post-thumbnail","product_cat-add-ons","product_cat-cooling-system-leak-sealant","pmpro-has-access","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":{"bundle_product_items":[352562,352656,352336]},"yoast_head":"\n