Product details
Red Line MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant – 1 Quart
If you want your manual gearbox to shift like a dream, picking the right gear oil is absolutely key. Red Line’s MT-90 is a bit of a star in this department — it’s a specialist lubricant that’s crafted to shield your gears and synchronisers, all while making those gear changes silky smooth and effortless. With a 75W-90 viscosity and a GL-4 rating, it’s spot on for manual transmissions and transaxles that call for motor oils or GL-1, GL-3, or GL-4 gear oils.
Why Red Line MT-90 Might Just Be the One for You
Ever had those frustrating, stiff, or notchy gear shifts? This stuff is designed to nip that in the bud. It strikes just the right balance of slipperiness, giving your synchronisers the perfect amount of friction to do their job properly. That means high-speed downshifts become far smoother and more dependable — no more grinding or hesitation. On top of that, it keeps gear whine and rattling noises well under control, especially once your gearbox warms up after a spirited blast or a long run.
What’s more, it performs brilliantly even when the mercury drops, so you won’t be wrestling with stiff gears on a cold morning. It’s also kind on your synchronisers, steering clear of any corrosive damage, which means your gearbox gets long-lasting protection rather than a quick fix.
The Nitty-Gritty
It comes in a handy 1-quart bottle weighing around 771 grams — easy to handle and store in your garage or toolkit. Made by Yukon Gear & Axle under the well-regarded Red Line banner, this lubricant ticks all the boxes for modern manual gearboxes and transaxles.
Whether you’re topping up old gear oil or upgrading to something that’ll genuinely improve your shifting, MT-90 is a solid bet. Just be sure to double-check your vehicle manufacturer’s specs before making the switch, in case your gearbox calls for something different. But if you’re after a high-performance, tried-and-tested gear oil, this one won’t let you down.
In a nutshell, Red Line MT-90 is perfect for anyone after smoother gear changes, less gearbox noise, and solid protection for their manual transmission or transaxle. It’s a proper win-win, especially if you’re keen to keep your motor in tip-top shape without faffing about with fiddly fixes.