{"product_id":"oemtools-coolant-vacuum-refill-kit-vacuum-fill-pressure-tester-5-adapter-set-for-radiator-overflow-necks","title":"OEMTOOLS Coolant Vacuum Refill Kit — Vacuum Fill \u0026 Pressure Tester, 5-Adapter Set for Radiator\/Overflow Necks","description":"\u003cp\u003e\u003cstrong\u003eOEMTOOLS Coolant Vacuum Refill Kit (24444) is a handheld tool that vacuums air from your cooling system and refills coolant reliably, while also allowing pressure\/leak checks using five adapters for most vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen topping up or servicing a cooling system, trapped air pockets can cause hot spots, overheating and repeated coolant loss. The OEMTOOLS 24444 kit combines a vacuum-fill bottle with a tapered cone and five bushings so you can draw out air, introduce fresh coolant under vacuum and run a pressure or leak check — all without jury-rigging adapters or repeatedly burping the system.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the vacuum refill process work and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit uses suction to collapse and then refill the cooling circuit, which prevents air from remaining in heater cores, hoses and the engine block. That air-free refill improves coolant circulation immediately and reduces the chance of localized overheating or false thermostat readings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCreates vacuum to remove trapped air before filling\u003c\/li\u003e\n  \u003cli\u003eRefills coolant under pressure differential for complete system saturation\u003c\/li\u003e\n  \u003cli\u003eReduces need for repeated engine run-and-burp cycles\u003c\/li\u003e\n  \u003cli\u003eCompatible with most radiator or overflow necks using included adapters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this kit test for leaks and hold pressure like a shop tool?\u003c\/h3\u003e\n\u003cp\u003eYes — the OEMTOOLS unit doubles as a pressure tester that helps you find external leaks and weak caps by pressurizing the cooling system up to the recommended range. While it’s compact for garage work, it gives a practical indication of system integrity without expensive shop-only gear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure testing capability up to the recommended 70–110 psi working range\u003c\/li\u003e\n  \u003cli\u003eDetects slow external leaks from hoses, clamps or radiator surfaces\u003c\/li\u003e\n  \u003cli\u003eWorks with included tapered cone and five bushings for a snug fit\u003c\/li\u003e\n  \u003cli\u003eSimple gauge reading for quick on-vehicle diagnosis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat adapters are included and how do they cover different vehicles?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with a tapered cone adapter plus five interchangeable bushings so you can achieve an airtight seal on most radiator filler necks and coolant reservoirs. That flexibility eliminates the need to buy multiple specialized fittings for different makes and models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTapered cone seals a wide range of filler neck shapes without extra parts\u003c\/li\u003e\n  \u003cli\u003eFive bushings accommodate varying diameters and contours\u003c\/li\u003e\n  \u003cli\u003eQuick-change fittings speed up setup between vehicles\u003c\/li\u003e\n  \u003cli\u003eDurable materials resist coolant exposure and repeated use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is the kit to use for DIYers and technicians?\u003c\/h3\u003e\n\u003cp\u003eDesigned for both home mechanics and professional shops, the kit features straightforward connections and a handheld refill bottle that makes the process repeatable and cleaner than manual top-ups. Minimal training is required — follow the basic vacuum-fill and pressure-check steps to get reliable results every time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHandheld refill bottle for controlled coolant delivery\u003c\/li\u003e\n  \u003cli\u003eSimple adapter swaps and quick-seal tapered cone\u003c\/li\u003e\n  \u003cli\u003eClear procedure: vacuum, refill, pressure-test\u003c\/li\u003e\n  \u003cli\u003ePortable and easy to store in a toolbox or shop cart\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The OEMTOOLS Coolant Vacuum Refill \u0026amp; Pressure Tester Kit is ideal for car enthusiasts, mobile mechanics and service shops that need a compact, reliable way to remove air, refill coolant and perform basic pressure\/leak checks. If you routinely service radiators, heater cores or perform cooling-system maintenance on a variety of vehicles, this kit reduces repeat work and helps you confirm a leak-free system before the vehicle leaves the bay.\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: Can the kit test cooling system pressure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit lets you pressurize systems within the recommended range to locate external leaks and verify cap integrity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these adapters fit my car’s radiator neck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Probably — the tapered cone plus five bushings cover most radiator and overflow neck sizes for common vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OEMTOOLS","offers":[{"title":"Default Title","offer_id":48082772164766,"sku":"B01BW39HJS","price":133.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/oemtools-front-view-kit.jpg?v=1785813903","url":"https:\/\/northtrailauto.ca\/products\/oemtools-coolant-vacuum-refill-kit-vacuum-fill-pressure-tester-5-adapter-set-for-radiator-overflow-necks","provider":"North Trail Auto","version":"1.0","type":"link"}