{"title":"Sparesbox Categories\u003eEngine Oil \u0026 Lubricants\u003eAdditives\u003eCoolant Additives","description":null,"products":[{"product_id":"nulon-radiator-engine-block-stop-leak-500ml","title":"Nulon Radiator Engine Block Stop Leak 500ml REBSL-500","description":"Radiator \u0026amp; Engine Block Stop Leak\u003cbr\u003e\u003cbr\u003eNulon Radiator \u0026amp; Engine Block Stop Leak with DuPont Kevlar fibre \u0026amp; liquid resin provides the ultimate strong long lasting fix. Formulated to permanently seal radiator leaks, inlet manifolds and engine block leaks, cracks, leaking welch plugs and leaking gaskets without costly mechanical repair. This unique microfibre technology seeks out and plugs small leaks and cracks that cause coolant loss, loss of pressure and overheating. \u003cbr\u003e\u003cbr\u003eThe DuPont Kevlar fibres mesh and plug the leak or crack which are then encased in a hardened liquid glass resin for the ultimate permanent water tight seal.\u003cbr\u003e\u003cbr\u003eNulon Radiator \u0026amp; Engine Block Stop Leak can be safely used in cars, trucks, vans, utes, and light commercial vehicles. Safe for all plastic, aluminium and metal (copper \/ steel) radiators, heater cores, gaskets and welch plugs. Safe to use with all types and colour of Glycol Anti-freeze Anti-boil and water based coolants.\u003cbr\u003e\u003cbr\u003eBenefits\u003cbr\u003e\u003cbr\u003e- Seals radiator and inlet manifold leaks and cracks, welch plugs and leaking gaskets and pipe leaks fast.\u003cbr\u003e- Contains DuPont Kevlar fibre and liquid glass resin for the ultimate permanent water tight seal.\u003cbr\u003e- Stops leaks from small pinholes (up to 0.8mm diameter) and small cracks (up to 0.8mm width) in any cooling system.\u003cbr\u003e- Saves costly mechanical repairs.\u003cbr\u003e- Maintains coolant system pressure and temperatureto prevent overheating.\u003cbr\u003e- Safe to use with all types of Glycol Anti-freeze\/Anti-boil Coolants and water based corrosion inhibitors.","brand":"NULON","offers":[{"title":"Default Title","offer_id":43963274035459,"sku":"P0065548","price":27.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5375544_piw1y2.jpg?v=1785419410"},{"product_id":"nulon-radiator-stop-leak-300ml","title":"Nulon Radiator Stop Leak 300ml R50","description":"Radiator \u0026amp; Engine Block Stop Leak\u003cbr\u003e\u003cbr\u003eNulon Radiator \u0026amp; Engine Block Stop Leak with DuPont Kevlar fibre \u0026amp; liquid resin provides the ultimate strong long lasting fix. Formulated to permanently seal radiator leaks, inlet manifolds and engine block leaks, cracks, leaking welch plugs and leaking gaskets without costly mechanical repair. This unique microfibre technology seeks out and plugs small leaks and cracks that cause coolant loss, loss of pressure and overheating. \u003cbr\u003e\u003cbr\u003eThe DuPont Kevlar fibres mesh and plug the leak or crack which are then encased in a hardened liquid glass resin for the ultimate permanent water tight seal.\u003cbr\u003e\u003cbr\u003eNulon Radiator \u0026amp; Engine Block Stop Leak can be safely used in cars, trucks, vans, utes, and light commercial vehicles. Safe for all plastic, aluminium and metal (copper \/ steel) radiators, heater cores, gaskets and welch plugs. Safe to use with all types and colour of Glycol Anti-freeze Anti-boil and water based coolants.\u003cbr\u003e\u003cbr\u003eBenefits\u003cbr\u003e\u003cbr\u003e- Seals radiator and inlet manifold leaks and cracks, welch plugs and leaking gaskets and pipe leaks fast.\u003cbr\u003e- Contains DuPont Kevlar fibre and liquid glass resin for the ultimate permanent water tight seal.\u003cbr\u003e- Stops leaks from small pinholes (up to 0.8mm diameter) and small cracks (up to 0.8mm width) in any cooling system.\u003cbr\u003e- Saves costly mechanical repairs.\u003cbr\u003e- Maintains coolant system pressure and temperatureto prevent overheating.\u003cbr\u003e- Safe to use with all types of Glycol Anti-freeze\/Anti-boil Coolants and water based corrosion inhibitors.","brand":"NULON","offers":[{"title":"Default Title","offer_id":43963509899523,"sku":"P0256630","price":21.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A7278365_v0gnoc.jpg?v=1785420431"},{"product_id":"tectaloy-mukowt-radiator-flush-500ml","title":"Tectaloy MUKOWT Radiator Flush 500mL","description":"Tectaloy Unlmtd Concentrate Coolant Green is an Organic Acid Technology (OAT) radiator coolant that boasts maximum Anti-Freeze, Anti-Boil, \u0026amp; anti-corrosion protection. Meeting the demands of cooling systems in both petrol and diesel engines, Tectaloy Unlmtd Coolant Concentrate ensures extra cooling-system protection for heavy-duty application such as 4WDing, towing heavy trailers, or caravans. \u003cbr\u003e\u003cbr\u003eWhen used as directed, Tectaloy Unlmtd Ready to Use Pre-Mix lasts for ten years or 1,000,000kms and delivers 100% corrosion protection. This long lifespan is thanks to the low chemical depletion rate of OAT coolants. It is very important to choose a coolant with a quality corrosion inhibitor, especially if you have a new or modern car, in order to prevent the many types of corrosion that can occur within your cooling system. You can trust Tectaloy on this front, with the unique Tectaloy coolant inhibitor package delivering maximum protection against corrosion. \u003cbr\u003e\u003cbr\u003eAs a type A coolant, Tectaloy Unlmtd Green Coolant offers anti-freeze anti-boil protection and falls into the coolant category that the majority of new car manufacturers will recommend. It is also available as a premix, and in Green or Blue to suit your OEM requirements. This listing is for the 1L bottle, but it can also be purchased in 5L and 20L bottles. \u003cbr\u003e\u003cbr\u003eTectaloy TUG1L Speifications:\u003cbr\u003e- Minus 37 Degrees Celcius Anti-Freeze Protection. \u003cbr\u003e- Plus 129 Degrees Celcius Anti-Boil Protection. l\u003cbr\u003e- Contains ethylene glycol 1065g\/Litre\u003cbr\u003e- Type A Coolant \u003cbr\u003e- OAT corrosion inhibitors\u003cbr\u003e- 1L concentrate makes up to 4L of coolant (25% Ethylene Glycol)\u003cbr\u003e- Silicate, phosphate \u0026amp; amine free\u003cbr\u003e- Exceeds Australian Standards AS2108-2004 Type A\u003cbr\u003e\u003cbr\u003eTectaloy TUG1L Directions for Use:\u003cbr\u003e1. Start with a cool engine. Remove the radiator cap. \u003cbr\u003e2. Place a container under the drain plug. Open the plug \u0026amp; drain coolant completely. \u003cbr\u003e3. Close the drain plug and refill the radiator with soft or demineralised clean water. Leave the radiator cap off. \u003cbr\u003e4. Run the engine with the heater set on HOT for at least 2-5 minutes (ensuring the thermostat is open). \u003cbr\u003e5. Repeat steps 2-4 until water drained is clear with no coolant visible. TIP: For best results use Tectaloy Plus Mukowt Radiator Flush, as per the directions on the pack. \u003cbr\u003e6. Drain the radiator again and close the drain plug. \u003cbr\u003e7. Add Tectaloy Unlmtd Concentrate coolant at the correct dose rate and then fill radiator, using either soft potable water or preferably demineralised clean water \u003cbr\u003e8. Follow air-bleeding procedures as per vehicle manufacturer’s instructions. \u003cbr\u003e9. Re-run the engine with the heater ON (ensuring the thermostat is open), so the coolant circulates.\u003cbr\u003e10. Top up as necessary. Reinstall the radiator cap. \u003cbr\u003e\u003cbr\u003eDo not mix coolants!","brand":"TECTALOY","offers":[{"title":"Default Title","offer_id":43963514913027,"sku":"P0259041","price":12.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A7686080_55vytj.jpg?v=1785420469"},{"product_id":"penrite-radiator-stop-leak-375ml","title":"Penrite Radiator Stop Leak 375ml ADRSL375","description":"PENRITE RADIATOR STOP LEAK ADRSL375 SPECIFICATIONS\u003cbr\u003e\u003cbr\u003eVolume: 375mL\u003cbr\u003eManufacturer's (OEM) approvals and industry licenses: NMMA TC-A3 Registration Number RL-38117W\u003cbr\u003eInustry and manufacturer's specifications: API TC and NMMA TC-A3","brand":"PENRITE OIL","offers":[{"title":"Default Title","offer_id":43963991425283,"sku":"P0346775","price":31.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A9475215_cyds3o.jpg?v=1785421979"},{"product_id":"penrite-radiator-flush-additive-375ml","title":"Penrite Radiator Flush Additive 375ml ADRF375","description":"PENRITE RADIATOR FLUSH ADDITIVE ADRF375 SPECIFICATIONS\u003cbr\u003e\u003cbr\u003eVolume: 375mL\u003cbr\u003eColour: Blue\u003cbr\u003eDensity at 15°C, kg\/L: 1.08\u003cbr\u003epH: 9.0 - 10.0","brand":"PENRITE OIL","offers":[{"title":"Default Title","offer_id":43964055978243,"sku":"P0346763","price":28.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A9475203_kqxafe.jpg?v=1782999679"},{"product_id":"nulon-permanent-head-gasket-repair-750ml","title":"Nulon Permanent Head Gasket Repair 750ml PHGR-750","description":"Permanent Head Gasket Repair\u003cbr\u003e\u003cbr\u003eSafe to use with all types of Glycol Antifreeze \/ Antiboil Coolants and water based corrosion inhibitors\u003cbr\u003eNulon Permanent Head Gasket Repair with DuPont Kevlar fibre \u0026amp; liquid resin provides the ultimate strong long lasting fix. Formulated to permanently seal head gaskets and engine block leaks without costly mechanical repair. This unique formula with microfibre technology seeks out and plugs small leaks and cracks that cause coolant loss, loss of pressure and overheating. \u003cbr\u003e\u003cbr\u003eThe DuPont Kevlar fibres combined with the liquid resin interlock and harden, creating a permanent long lasting watertight seal.\u003cbr\u003e\u003cbr\u003eNulon Permanent Head Gasket Repair can be safely used in cars, trucks, vans, utes, and light commercial vehicles. Safe to use in plastic, aluminium and metal (copper \/ steel) radiators, heater cores, gaskets and welch plugs. Safe to use with all types and colour of Glycol Anti-freeze Anti-boil and water based coolants.\u003cbr\u003e\u003cbr\u003eBenefits\u003cbr\u003e\u003cbr\u003e- Seals radiator and inlet manifold leaks and cracks, welch plugs and leaking gaskets and pipe leaks fast.\u003cbr\u003e- Contains DuPont Kevlar fibre and liquid glass resin for the ultimate permanent water tight seal.\u003cbr\u003e- Stops leaks from small pinholes (up to 0.8mm diameter) and small cracks (up to 0.8mm width) in any cooling system.\u003cbr\u003e- Saves costly mechanical repairs.\u003cbr\u003e- Maintains coolant system pressure and temperature to prevent overheating.\u003cbr\u003e- Safe to use with all types of Glycol Anti-freeze\/ Anti-boil Coolants andwater based corrosion inhibitors.","brand":"NULON","offers":[{"title":"Default Title","offer_id":43964816425219,"sku":"P0491021","price":81.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A9809759_v13x0h.jpg?v=1785423038"},{"product_id":"penrite-radiator-oil-remover-375ml-adror375","title":"Penrite Radiator Oil Remover 375ml ADROR375","description":"\u003ch3\u003ePenrite Radiator Oil Remover 375ml\u003c\/h3\u003e\u003cbr\u003e\u003cbr\u003ePenrite's Radiator Oil Remover is a \u003cstrong\u003ecooling system flush additive\u003c\/strong\u003e specifically designed to remove oil from an engines cooling system. It emulsifies oil that has entered the engines cooling system allowing it to be flushed clean. Its easy to use formula acts quickly and doesnt affect seals, hoses or gaskets. \u003cstrong\u003ePenrite Radiator Oil Remover\u003c\/strong\u003e contains inhibitors to protect your system from corrosion.","brand":"PENRITE OIL","offers":[{"title":"Default Title","offer_id":44007650164995,"sku":"P0165717","price":33.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5538149_e8jvr0.jpg?v=1782999474"},{"product_id":"penrite-block-cylinder-head-seal-ceramic-fibre-technology-250ml-adbcs250","title":"Penrite Block \u0026 Cylinder Head Seal Ceramic Fibre Technology 250ml ADBCS250","description":"\u003ch3\u003ePenrite Block \u0026amp; Cylinder Head Gasket Repair Seal 250ml\u003c\/h3\u003e\u003cbr\u003e\u003cbr\u003ePenrite's Block and Cylinder Head Seal is a permanent engine block, cylinder head and cooling system sealer formulated with ceramic fibres and copper to ensure a fast and permanent seal of gaskets, fractures and cracks in a vehicles cooling system. Block \u0026amp; Cylinder Head Seal is designed for use in all modern automotive cooling systems and is compatible with all types of materials used throughout the cooling system, including all metals, plastics and rubber components. It is compatible with all types of coolants and will not block the cooling system.\u003cbr\u003e\u003cbr\u003eBlock \u0026amp; Cylinder Head Seal uses the latest ceramic fibre technology combined with copper to permanently seal broken and weeping head gaskets, block and cylinder head fractures, radiator cracks or splits and leaking engine welch plugs to prevent coolant loss and engine overheating. It prevents expensive coolant leakage that can cause engine overheating and damage.\u003cbr\u003e\u003cbr\u003e","brand":"PENRITE OIL","offers":[{"title":"Default Title","offer_id":44007762919683,"sku":"P0192053","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5572719_ayix1m.jpg?v=1782999581"},{"product_id":"rislone-head-gasket-fix-680ml-41111","title":"Rislone Head Gasket Fix 680ml 41111","description":"Rislone Head Gasket Fix 680ml 41111","brand":"RISLONE","offers":[{"title":"Default Title","offer_id":44008416510211,"sku":"P0347941","price":99.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A9483828.jpg?v=1771984979"},{"product_id":"rislone-radiator-stop-leak-479ml-41186","title":"Rislone Radiator Stop Leak 479ml 41186","description":"Rislone Radiator Stop Leak 479ml 41186","brand":"RISLONE","offers":[{"title":"Default Title","offer_id":44008488173827,"sku":"P0347938","price":28.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A9483825.jpg?v=1771984979"},{"product_id":"rislone-radiator-stop-leak-325ml-41196","title":"Rislone Radiator Stop Leak 325ml 41196","description":"Rislone Radiator Stop Leak 325ml 41196","brand":"RISLONE","offers":[{"title":"Default Title","offer_id":44008962621699,"sku":"P0494700","price":29.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A9816212.jpg?v=1771990543"},{"product_id":"red-line-waterwetter-355ml-80204","title":"Red Line WaterWetter 355ml 80204","description":"Red Line WaterWetter 355mL 80204","brand":"REDLINE","offers":[{"title":"Default Title","offer_id":44055847895299,"sku":"P0150923","price":27.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5519949.jpg?v=1783517981"},{"product_id":"lucas-super-coolant-radiator-coolant-additive-473ml-10640","title":"Lucas Super Coolant Radiator Coolant Additive 473ml 10640","description":"Lucas Super Coolant Radiator Coolant Additive 473ml 10640","brand":"LUCAS","offers":[{"title":"Default Title","offer_id":44055997972739,"sku":"P0407009","price":55.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A9648142.jpg?v=1784209494"},{"product_id":"rislone-hy-per-cool-super-coolant-473ml-41300","title":"Rislone Hy-Per Cool Super Coolant 473ml 41300","description":"Rislone Hy-Per Cool Super Coolant 473ml 41300","brand":"RISLONE","offers":[{"title":"Default Title","offer_id":44062625104131,"sku":"P0165716","price":31.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5538148_wmcvd3.jpg?v=1786714428"},{"product_id":"nulon-radiator-flush-and-clean-300ml","title":"Nulon Radiator Flush and Clean 300ml R40","description":"Radiator Flush and Clean\u003cbr\u003e\u003cbr\u003eNulon Radiator Flush \u0026amp; Clean (R40) is a non-acidic radiator and cooling system cleaner that effectively cleans in one simple 20-minute operation. Many similar products have to be left in the cooling system for several days, which creates the risk of the user either forgetting or extending the drain and flush time for reasons of convenience. The results can be detrimental and cause expensive, long-term damage to the cooling system and associated components. Nulon R40 overcomes this potential risk as the whole cleaning process is completed in one simple operation.\u003cbr\u003e\u003cbr\u003eRecommended Uses\u003cbr\u003e\u003cbr\u003eUse R40 as a complete cooling system flush to remove insulating built-up sludge and residue before changing coolant in any cooling system. This procedure will ensure optimum heat transfer and efficiency of the entire cooling system.\u003cbr\u003eWhenever draining a cooling system or changing brands of coolant it is always recommended to clean the system with R40.\u003cbr\u003eUse R40 before removing a radiator from a vehicle for reconditioning. Clean the entire system with R40 so when the radiator is reinstalled, the core will not be contaminated with scale and residue from the rest of the system.\u003cbr\u003e\u003cbr\u003eBenefits\u003cbr\u003e\u003cbr\u003e- Cleans fast in 20 minutes\u003cbr\u003e- Reduces overheating\u003cbr\u003e- Safe to use with all coolant types\u003cbr\u003e- No pre-mixing\u003cbr\u003e- Neutralises harmful acids\u003cbr\u003e- Reduces mineral scale and sludge","brand":"NULON","offers":[{"title":"Default Title","offer_id":44062692966659,"sku":"P0257560","price":22.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/nulon-engine-oil-fluids-r40-1_8eqgl5_heides.jpg?v=1773242327"},{"product_id":"nulon-extreme-cooling-system-flush-and-degreaser-500ml-pscsf","title":"Nulon Extreme Cooling System Flush And Degreaser 500ml PSCSF","description":"Nulon Extreme Cooling System Flush And Degreaser 500Ml PSCSF","brand":"NULON","offers":[{"title":"Default Title","offer_id":45821806379267,"sku":"P5271495","price":27.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5723580_u1x5uv.jpg?v=1785424693"},{"product_id":"rislone-radiator-stop-leak-tablets-50g-41177","title":"Rislone Radiator Stop Leak Tablets 50G 41177","description":"Rislone Radiator Stop Leak Tablets 50G 41177","brand":"RISLONE","offers":[{"title":"Default Title","offer_id":45839085076739,"sku":"P6451964","price":13.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5738444.jpg?v=1784899931"},{"product_id":"rislone-radiator-cleaner-super-flush-340ml-41212","title":"Rislone Radiator Cleaner \u0026 Super Flush 340Ml 41212","description":"Rislone Radiator Cleaner \u0026amp; Super Flush 340Ml 41212","brand":"RISLONE","offers":[{"title":"Default Title","offer_id":45839086977283,"sku":"P6451965","price":16.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5738445.jpg?v=1784899931"},{"product_id":"rislone-liquid-copper-block-seal-intake-radiator-stop-leak-383g-41108","title":"Rislone Liquid Copper Block Seal Intake \u0026 Radiator Stop Leak 383G 41108","description":"Rislone Liquid Copper Block Seal Intake \u0026amp; Radiator Stop Leak 383G 41108","brand":"RISLONE","offers":[{"title":"Default Title","offer_id":45839087010051,"sku":"P6451966","price":27.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/8673\/3315\/files\/A5738446.jpg?v=1771998070"}],"url":"https:\/\/checkout.sparesbox.com.au\/collections\/sparesbox-categories-engine-oil-lubricants-additives-coolant-additives.oembed","provider":"Sparesbox","version":"1.0","type":"link"}