When you choose K-Seal to fix your head gasket, you are choosing a head gasket sealant that has undergone rigorous independent testing. It is a safe and effective product; one that you can use without the need for any special skills or experience.<\/span><\/p>\n K-Seal is not just any head gasket sealant\u2014it has undergone <\/span>rigorous independent testing<\/b><\/a> to ensure its safety and effectiveness. Engineered to meet the <\/span>ASTM D3147 coolant stop leak product standard<\/b>, K-Seal was tested by the engineering division at Brighton University. It is the only coolant leak repair product to have been independently tested by a university to meet this strict standard.<\/span><\/p>\n No, K-Seal will not damage your engine. A key part of ASTM D3147 testing involves ensuring that the product passes through a filter of 0.85 mm without clogging or gelling. Also as part of the testing, K-Seal sealed holes up to 0.025 inch and cracks up to 0.01 inch. This guarantees that <\/span>K-Seal will not block<\/b> even the narrowest passageways in your cooling system, making it <\/span>safe for your engine<\/b>.<\/span><\/p>\n K-Seal is also incredibly <\/span>easy and safe to use<\/span><\/a>, even if you have no prior mechanical or engineering experience:<\/span><\/p>\n Although you can add K-Seal to a hot engine, we advise you to work with a cold engine; it\u2019s much safer. With a hot engine, the coolant will be hot and under pressure so take extra care.<\/span><\/p>\n Please note that if you suspect that your cooling system is already blocked or restricted, you must clean and flush the system beforehand.<\/span><\/p>\n We\u2019re so confident that a single bottle of one of our K-Seal products will fix the leak in your head gasket and save you hundreds, even thousands of pounds<\/span>, that in the rare event that it does not result in a permanent repair we offer a <\/span>full money back guarantee<\/span><\/a>.<\/span><\/p>\n Ready to fix your head gasket issue with a product that\u2019s proven safe for your engine? Find out where to buy <\/span>K-Seal<\/span><\/a>, <\/span>K-Seal HD<\/span><\/a> or <\/span>K-Seal Ultimate<\/span><\/a>, the trusted head gasket sealants that have been used successfully on millions of vehicles worldwide.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" Is K-Seal safe to use for head gasket repairs and coolant leaks? When you’re facing vehicle issues like a head gasket leak and want to use K-Seal, it\u2019s natural to wonder: \u2018Is K-Seal safe to use?\u2019 or \u2018Can K-Seal damage your engine?\u2019\u00a0 When you choose K-Seal to fix your head gasket, you are choosing a<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":166,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"acf":[],"_links":{"self":[{"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/pages\/2141"}],"collection":[{"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/comments?post=2141"}],"version-history":[{"count":8,"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/pages\/2141\/revisions"}],"predecessor-version":[{"id":20195,"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/pages\/2141\/revisions\/20195"}],"up":[{"embeddable":true,"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/pages\/166"}],"wp:attachment":[{"href":"https:\/\/www.kseal.com\/uk\/wp-json\/wp\/v2\/media?parent=2141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Tested and proven safety of K-Seal to ASTM D3147 standard<\/b><\/h2>\n
Can K-Seal Damage Your Engine?<\/span><\/h3>\n
![\"K-Seal](\"https:\/\/www.kseal.com\/wp-content\/uploads\/2016\/11\/product-big-k-seal-ultimate-102x300.png\")
<\/p>\nHow to Use K-Seal Safely<\/b><\/h2>\n
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K-Seal money back guarantee<\/b><\/h2>\n
Where to buy K-Seal<\/b><\/h2>\n