Cheap Red Line 50304-12PK Manual Transmission (MT) 90W Gear Oil - 1 Quart, (Pack of 12)

Red Line 50304-12PK Manual Transmission (MT) 90W Gear Oil - 1 Quart, (Pack of 12)Buy Red Line 50304-12PK Manual Transmission (MT) 90W Gear Oil - 1 Quart, (Pack of 12)

Red Line 50304-12PK Manual Transmission (MT) 90W Gear Oil - 1 Quart, (Pack of 12) Product Description:



  • Easier shifting.
  • Extra gear protection
  • Good shiftability and synchro compatibilty
  • Provides proper shifting over the entire temperature range
  • Shear stability and oxidation stability!

Product Description

Red Line's Manual Transmission 90W Gear Oil is most popular in Nissan, Toyota and Mazda manual transmissions and transaxles as well as other selected applications. This is a 75W90 GL-4 Gear Oil that's slightly heavier than MTL and provides excellent protection of gears and synchronizers and its balanced slipperiness provides a perfect coefficient of friction, allowing easier shifting. Red Line Oil's MTL and MT-90 allow proper shifting over the entire temperature range which the transmission will experience due to its wide viscosity. The synthetic base oils used have a very high viscosity index which provides relatively constant viscosity as temperature changes. MTL is a low 70W at very low temperatures and a high 80W, nearly an 85W, at elevated temperatures, providing adequate viscosity to prevent wear and deaden gear noise. MT-90 is a thicker 75W90 version of MTL. The shear stability and oxidation stability of these products are excellent, thus the physical characteristics of Red Line MTL and MT-90 will change little with use.

Customer Reviews

Most helpful customer reviews

0 of 0 people found the following review helpful.
5Magic in a bottle
By DGlaser3
I've always used and loved the Redline MT products in my commercial and personal vehicles. I am always amazed at how much the shifting improves just by changing oil brands. I recently purchased a UD1800 box truck for my business. It had 290,000mi on it, but it cranked and ran beautifully. The only problem it had was a slight grinding when going into 3rd. Ever since changing to Red Line it has almost completely gone away. 99% of the time I don't even feel a click upon engagement. When I do, it's a slight "click" as the synchros line up. This is not the first time I've cured a slight transmission ailment with this product. I keep a few quarts of MTL and MT-90 on my shelf. My father tried the off the shelf brand after replacing the axles in his Maxima and wasn't happy. I recommended RL, and he commented how much better his Maxima shifts after switching to RL. It can't fix a worn out transmission, but it may stretch its life a bit longer. I also have a F350 with ZF6, and it has had RL in it for all of its 345,000mi life. A friend with a newer truck drove mine and commented on how smooth my old tranny shifts. Thanks Red Line.

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Buy Red Line 50304-12PK Manual Transmission (MT) 90W Gear Oil - 1 Quart, (Pack of 12)