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Red Line MT-90 75W-90 GL-4 Manual Transmission Lubricant is a premium gear oil designed for manual transmissions and transaxles. It offers superior gear and synchronizer protection with a perfect friction balance for effortless shifting, even in cold conditions. Compatible with GL-1, GL-3, and GL-4 specs, it prevents corrosion on brass synchros and reduces gear noise, making it the go-to choice for enthusiasts demanding performance and reliability.






| ASIN | B000CPCBEQ |
| Best Sellers Rank | 24,555 in Automotive ( See Top 100 in Automotive ) 69 in Gear Oils |
| Brand Name | Red Line |
| Container Type | Bottle |
| Customer Reviews | 4.9 4.9 out of 5 stars (2,649) |
| Global Trade Identification Number | 00083522503044 |
| Included Components | MT-90 75W-90 GL-4 |
| Item Form | Oil |
| Item Weight | 771 g |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | Yukon Gear & Axle |
| Material | Brass |
| Recommended Uses For Product | Automobile transmission lubrication and maintenance |
| Specific Uses For Product | Lubricant for manual transmissions and transaxles, Prevent corrosion, Enable smooth shifting, Provide gear protection |
| UPC | 083522503044 |
| Unit Count | 946.0 millilitre |
| Viscosity | 75W-90 |
D**Y
Not the cheapest, but I can feel the difference
Recently used this to replace the transmission and diff oil in my Mk1 Mazda MX5, and I'm very impressed with it. I've had a bit of a notchy change from first to second for as long as I've had the car, especially when cold. While it hasn't disappeared completely, it's much better now with this new transmission oil. Worth the extra cost in my opinion
T**D
Jeep Transmission
I used this in my 2000 Jeep Wrangler 4 Liter when I did a full oil change. It sounds quieter with less whine and the shift appears slicker. I'll try and keep note over the next 3000 miles.
R**O
For Mazda MX5 gearbox
Did a bit of research on the tinernet and folks were saying this this transformed thier gear changing. Mine was stiff and nochy until renewing oil with Red Line MT-90, now gear changing is slick even in the cold weather.
K**G
Recommend
Bought this for my RX8 as recommended by the forum for gearbox
B**N
red line mt 90 gear box oil
i bought red line mt 90 gear box oil for my toyota mr2 mk3 roadster.it has made the gear box alot smother i am very imprest with the oil.
B**K
Five Stars
Exactly what we wanted, company helpful
C**R
Great oil
Bought this for my Lotus Elise, as it's recommended by the vast majority of owners. Great oil, as expected, but due to being imported from the USA, it is very expensive.
D**N
Five Stars
Made 2nd gear shift easier.
A**ー
私の車は2.6L入るので3本で使い切りれました。
M**L
Changed out the gl-5 transmission oil that was in my 2006 tacoma to this oil. With the old oil the truck shifted rough and slow, would grind into 3rd gear every shift, felt like a worn synchro. With this new oil the shifts are smooth and it just pops right into the gear. 3rd Gear goes in perfectly 95% of the time, sometimes get some feedback of the synchro when I put it in but its minor compared to before. Would Recommend it for any vehichle especially with brass synchros, but if your owners manual says gl-5 only stick to that. Great oil just pricey might be possible to find it locally for cheaper.
M**S
Viskas gerai.
A**A
Used it in my safari dicor. Awesome performance. but the price is on higher side.
P**K
Ottimo lubrificante, il cambio ora é fluido e non si impunta piu.
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