{"product_id":"prestone-as145-stop-leak-11-oz-seals-radiators-heater-cores-hoses","title":"Prestone AS145 Stop Leak 11 oz — Seals Radiators, Heater Cores \u0026 Hoses","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003ePrestone AS145 Stop Leak is a patented formula designed for quick, durable sealing of leaks in your cooling system. The blend combines natural and synthetic components with fibrous particles—the same materials used in bulletproof vests—to form a seal without restricting flow.\u003c\/p\u003e\n\u003cp\u003eIn addition to stopping leaks, it boosts corrosion inhibitors to guard against pitting and corrosion, common culprits behind radiator leaks. The formula targets leaks in radiators, water pumps, and heater cores, helping maintain coolant flow and overall system integrity.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuickly stops leaks in radiators, water pumps, and heater cores.\u003c\/li\u003e\n\u003cli\u003eBoosts corrosion inhibitors to protect against pitting and corrosion.\u003c\/li\u003e\n\u003cli\u003eSeals leaks up to 0.020 in x 0.5 in.\u003c\/li\u003e\n\u003cli\u003eSeals large leaks without interfering with coolant flow.\u003c\/li\u003e\n\u003cli\u003eAddresses the leak and the corrosive condition that causes it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cp\u003eDesigned for everyday cooling systems, this 11 oz bottle fits many passenger vehicles and light trucks. It provides a convenient option when minor leaks appear in aging radiators or hoses, or when heater core issues are suspected.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for preventive maintenance to reduce the chance of coolant loss.\u003c\/li\u003e\n\u003cli\u003eUseful when you notice damp spots or steam near the engine bay.\u003c\/li\u003e\n\u003cli\u003eCan be part of routine roadside maintenance for a faster, non-invasive fix.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUsage tips\u003c\/h3\u003e\n\u003cp\u003eFollow the product label for instructions. If you are unsure, consult a professional. Ensure the cooling system is cooled before opening, and refill with the appropriate coolant after treatment.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does Prestone AS145 Stop Leak do?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It quickly seals leaks in radiators, water pumps, and heater cores while boosting corrosion inhibitors to help prevent further damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where can I use Prestone AS145 Stop Leak?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It works with radiators, water pumps, and heater cores to seal leaks and reduce corrosive wear.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Prestone","offers":[{"title":"Default Title","offer_id":42465320501333,"sku":"B00B99U1V4","price":28.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/prestone-as145-stop-leak-radiator-11oz.jpg?v=1778003901","url":"https:\/\/plentytorque.co.uk\/products\/prestone-as145-stop-leak-11-oz-seals-radiators-heater-cores-hoses","provider":"PlentyTorque","version":"1.0","type":"link"}