Masai® designs & manufactures an exclusive range of high-quality enhancement upgrades & parts for Land Rover Defenders, e.g. windows, head-linings, roof racks, seat covers, carpets, steps, winch bumpers, lights, and much much more. Based in central England with global shipping, we also offer expert fitting and full vehicle rebuild services at our workshop – Fitting Enquiries. Read More.
Ravenol OTC Organic Technology Coolant & Antifreeze Concentrate C12+ (1.5 Litres)
Protect your engine against extreme temperatures, internal rust, and cavitation with Ravenol OTC Organic Technology Coolant Concentrate. Formulated using advanced Organic Acid Technology (OAT) combined with silicate inhibitors, this eco-friendly, monoethylene glycol-based concentrated coolant delivers long-life, maintenance-free performance.
Engineered to meet stringent automotive standards (including VW/Audi TL 774-D/G12+ specifications), it provides outstanding frost protection in winter and prevents overheating during heavy summer operations, making it ideal for modern alloy-heavy engine blocks.
Key Features:
- OAT Extended-Life Technology: Advanced organic inhibitor formula offers superior, long-lasting corrosion protection without forming harmful mineral deposits or sediment.
- Aluminum Engine Friendly: Formulated with premium corrosion additives specifically optimized to safeguard all metals and metal alloys used in modern cooling systems, including aluminum components.
- All-Season Protection: Defends the cooling circuit against freezing in winter, overheating in summer, and foaming year-round.
- Silicate, Borate, Nitrite & Phosphate Free: Clean chemical composition that reduces the risk of scale buildup and preserves radiator elastomer seals.
- Concentrated Formula: 1.5-litre container designed to be diluted with clean water according to your specific climate and freeze-protection requirements.
Welcome to the Masai® eStore. We design and manufacture a wide range of high-quality vehicle upgrades, enhancement accessories and parts for the Land Rover Defender, 90, 110, and 130, particularly glass and windows; but have a look around our website – we also have roof racks, spare wheel carriers, headlinings, interior trims, seat covers, side steps, rear steps, lamp guards, tree sliders, Winch Bumpers, and LED lights etc.
One of our flagship products is our own-design Masai® Bonded Tinted Panoramic Windows for the Land Rover Defender 90, 110 and 110 2-Door. The dark-tinted toughened glass side panel windows increase your Defender’s privacy, security and value! As featured on exclusive Nene Overland Defender Icons.
We have a large range of premium-quality Driving Lights, Work Lights and Spot Lights. Some are modern low-power-consumption LED Lights, and others are high-luminosity Xenon HID vehicle lights. All lights are harsh environment compliant to IP65 or IP67. Rugged waterproof diecast aluminium housings (some ABS), spot beam and flood beam, various wattages from 15 to 150 and a wide voltage range from 9v to 32v. We also sell NAS LED lights for Land Rover Defenders, clear, coloured and smoked sets for all post 1983 90 and 110, include plinths, E marked (EU approved) and SAE approved. They provide increased visibility (brighter than standard bulbs) and they enhance and modernise the look of your Defender, easy to fit DIY.
