Product details
Red Line MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant – 1 Quart
On the hunt for a gear oil that’ll keep your manual gearbox ticking over nicely without the usual faff? The Red Line MT-90 75W-90 GL-4 lubricant is just the ticket. This isn’t your run-of-the-mill gear oil; it’s specially designed to look after your gears and synchronisers, all while delivering that silky-smooth shift you’re after. If you’ve ever wrestled with notchy gear changes or that nagging gear whine, this stuff tackles those headaches head-on, making your drive feel a whole lot more pleasurable and less of a chore.
With a viscosity rating of 75W-90, it performs brilliantly across a wide range of temperatures — so you’ll get excellent shifting even when your engine’s cold, and it keeps things quiet and efficient when things heat up. The balanced slipperiness means the synchronisers have just the right amount of friction, allowing seamless high-speed downshifts without a hiccup. Whether you’re darting around town or cruising on the motorway, that’s a proper bonus.
One of the best bits? It’s gentle on your synchronisers, so it helps cut down wear and tear over time. Plus, it’s compatible with manual transmissions and transaxles that call for motor oils or GL-1, GL-3, or GL-4 gear oils, making it pretty versatile. The 1-quart bottle is spot on for topping up or a quick service, without being too bulky.
All in all, if you’re after reliable, top-notch gear protection that smooths out your shifts and keeps the noise and rattle to a minimum, the Red Line MT-90 is well worth a look. Think of it as giving your gearbox a proper cuppa — smooth, comforting, and exactly what it needs to perform at its best.






