{"id":10114,"date":"2025-03-10T10:36:01","date_gmt":"2025-03-10T09:36:01","guid":{"rendered":"https:\/\/shop.radspielerclassic.com\/produkt\/super-defreeze-antifreeze-coolant-5l-for-classic-cars\/"},"modified":"2026-11-03T13:39:23","modified_gmt":"2026-11-03T12:39:23","slug":"super-defreeze-antifreeze-coolant-5l-for-classic-cars","status":"publish","type":"product","link":"https:\/\/shop.radspielerclassic.com\/en\/product\/super-defreeze-antifreeze-coolant-5l-for-classic-cars\/","title":{"rendered":"Super DeFreeze Antifreeze  Coolant 5L for Classic Cars"},"content":{"rendered":"<h2>Super DeFreeze Antifreeze  Coolant 5L for Classic Cars<\/h2>\n<p>The <strong>Super DeFreeze Antifreeze  Coolant<\/strong> was specifically developed for the requirements of classic vehicles and classic cars.<\/p>\n<p>This silicate-containing antifreeze based on ethylene glycol provides frost and corrosion protection for historic cooling systems. It is suitable for classic car engines made of cast iron, aluminum, and engines where both materials are used in combination.<\/p>\n<p>Thanks to the inorganic and organic corrosion inhibitors it contains, Super DeFreeze helps protect the components in the cooling system.<\/p>\n<h3>Properties of Super DeFreeze Antifreeze  Coolant<\/h3>\n<ul>\n<li>Specially for classic vehicles and classic cars<\/li>\n<li>Frost and corrosion protection for historic cooling systems<\/li>\n<li>Suitable for cast iron and aluminum engines<\/li>\n<li>Silicate-containing hybrid technology<\/li>\n<li>Combination of inorganic and organic corrosion inhibitors<\/li>\n<li>Free of nitrites, phosphates, and amines<\/li>\n<li>Ethylene glycol-based<\/li>\n<li>Color: Blue-green<\/li>\n<li>Container size: 5 liters<\/li>\n<\/ul>\n<h3>Mixing Ratio and Antifreeze Protection<\/h3>\n<p>Super DeFreeze Antifreeze  Coolant is mixed with water before use.<\/p>\n<p><strong>Recommended mixing ratio:<\/strong><\/p>\n<ul>\n<li>1\/3 Super DeFreeze Antifreeze  Coolant<\/li>\n<li>2\/3 water<\/li>\n<li>Frost protection down to approx. -21 \u00b0C<\/li>\n<\/ul>\n<p>This mixing ratio provides frost protection and helps prevent corrosion damage in the cooling system.<\/p>\n<h3>Use in Classic Vehicles<\/h3>\n<p>Super DeFreeze Antifreeze  Coolant is suitable for historic cooling systems, especially for engines made of cast iron, aluminum, or a combination of both materials.<\/p>\n<p><strong>Important application instructions:<\/strong><\/p>\n<p>Please observe the coolant specifications of the respective vehicle manufacturer. Mixing with other antifreeze agents is not recommended.<\/p>\n<p>Before changing the antifreeze, the existing cooling system should be checked for its condition and flushed if necessary.<\/p>\n<p><strong>Radspieler Classic \u2013 Your specialist for classic vehicle technology, classic car spare parts, and lubricants.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Antifreeze  Coolant 5 Liters<\/strong><\/p>\n<p>Nitrite-, phosphate-, and amine-free based on ethylene glycol.<\/p>\n<p>Silicate-containing hybrid technology with various inorganic and organic corrosion inhibitors, blue-green in color.<\/p>\n<p>For classic car engines made of cast iron, aluminum, or a combination of both.<\/p>\n<p><strong>Dosage:<\/strong> 1\/3 SuperDeFreeze and 2\/3 water protect down to -21\u00b0C and prevent corrosion damage.<\/p>\n","protected":false},"featured_media":10118,"template":"","meta":{"pmpro_default_level":""},"product_brand":[],"product_cat":[285,286],"product_tag":[],"class_list":["post-10114","product","type-product","status-publish","has-post-thumbnail","product_cat-carific-member-discount","product_cat-lubricants-filters","pmpro-has-access","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.9 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Super DeFreeze Antifreeze Coolant 5L for Classic Cars<\/title>\n<meta name=\"description\" content=\"Super DeFreeze Antifreeze Coolant 5L for classic cars. Silicate-containing frost and corrosion protection for cast iron and aluminum engines. Discover now!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/shop.radspielerclassic.com\/en\/product\/super-defreeze-antifreeze-coolant-5l-for-classic-cars\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Super DeFreeze Antifreeze Coolant 5L for Classic Cars\" \/>\n<meta property=\"og:description\" content=\"Super DeFreeze Antifreeze Coolant 5L for classic cars. Silicate-containing frost and corrosion protection for cast iron and aluminum engines. Discover now!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/shop.radspielerclassic.com\/en\/product\/super-defreeze-antifreeze-coolant-5l-for-classic-cars\/\" \/>\n<meta property=\"og:site_name\" content=\"Radspieler Classic Online Shop\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-03T12:39:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/shop.radspielerclassic.com\/wp-content\/uploads\/sites\/5\/2025\/03\/Screenshot-2025-03-10-at-10.15.55.png\" \/>\n\t<meta property=\"og:image:width\" content=\"820\" \/>\n\t<meta property=\"og:image:height\" content=\"1528\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/shop.radspielerclassic.com\\\/en\\\/product\\\/super-defreeze-antifreeze-coolant-5l-for-classic-cars\\\/\",\"url\":\"https:\\\/\\\/shop.radspielerclassic.com\\\/en\\\/product\\\/super-defreeze-antifreeze-coolant-5l-for-classic-cars\\\/\",\"name\":\"Super DeFreeze Antifreeze Coolant 5L for Classic Cars\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/shop.radspielerclassic.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/shop.radspielerclassic.com\\\/en\\\/product\\\/super-defreeze-antifreeze-coolant-5l-for-classic-cars\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/shop.radspielerclassic.com\\\/en\\\/product\\\/super-defreeze-antifreeze-coolant-5l-for-classic-cars\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/shop.radspielerclassic.com\\\/wp-content\\\/uploads\\\/sites\\\/5\\\/2025\\\/03\\\/Screenshot-2025-03-10-at-10.15.55.png\",\"datePublished\":\"2025-03-10T09:36:01+00:00\",\"dateModified\":\"2026-11-03T12:39:23+00:00\",\"description\":\"Super DeFreeze Antifreeze Coolant 5L for classic cars. 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