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MT-90 75W90 GL-4 Gear Oil
MT-90 75W90 GL-4 Gear Oil

MT-90 75W90 GL-4 Gear Oil

  •  Red Line formulates its gear oils specifically for the appropriate coefficient of friction for most manual transmission synchronizers (other's synthetic gear oils are often too slippery for proper synchro engagement)
  • Rather that offering a one product suits all across GL-4 & GL-5 Red Line offers lubricants to pinpoint nearly every transmission application
  • 75W90 GL-4 gear oil (similar to SAE 5W40/10W40 engine oil viscosity)
  • Popular in Nissan, Mazda, Mitsubishi, VW/Audi, Lotus Elise/Exige, Toyota
  • Offers quicker shifts, perfect synchronizer coefficient of friction
  • Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
  • High performance gear protection and longer synchro life
  • Eliminates notchy shifting, even when cold
  • Satisfies the gear oil viscosity requirements of 75W90, 80W90, 90 and motor oil viscosities of SAE 40, 10W40, and 15W40
  • Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified

In stock and ready for next day delivery

Further Info

  • MTL, MT-85 & MT-90 are not for use in differentials with hypoid gears
  • Excellent gear and synchro protection, balanced slipperiness for easier shifting in cold climates
  • Excellent for high- and low-mile transmissions
  • Compatible with petroleums and other synthetics

RED LINE MT-90 HIGH-PERFORMANCE GEAR OIL is a fully-synthetic ester-based lubricant designed for use in manual transmissions and front-wheel-drive transaxles. This shear-stable formula resists breakdown for extended periods and offers more consistent viscosity in warm and cold temperatures for less gear noise and improved shifting. This fluid is less slippery for improved synchronizer coefficient of friction and offers stronger film strength for better wear protection.

Suitable replacement for:

BMW 81 22 9 407 305
Castrol BOT 130M
Castrol BOT 328
Castrol SAF AG4
Castrol SHC 630
Castrol TAF-X 75w-90
Castrol Syntrans Transaxle 75W-90
Ford F32Z-19C547-MA
Ford M2C175-A
Ford M2C200-B
Ford WSS-M2C203-A1
Ford XT-4-QGL
GM 12345371
GM 12345724
GM 12345871
GM 12346074
GM 89021806
GM 89021806
GM 89021807
GM-Daewoo EDS-M-8049
Hyundai 08950-00010-A
Jeep 0489722AA
Mazda (MES) 115A
Nissan Mission Oil MP-G HQ
Toyota 08885-80917
Toyota 08885‐81023
Toyota 08885‐81026
VW/Audi G 005 000
VW/Audi G 005 100
VW/Audi G 045 190 A2
VW/Audi G 052 145
VW/Audi G 052 157
VW/Audi G 052 911
VW/Audi G51
VW/Audi G50

Technical Details

API Service Class GL 4
SAE Viscosity Grade (Motor Oil) 15W40
SAE Viscosity Grade (Gear Oil) 75W90
Vis @ 100°C, cSt 15.6
Vis @ 40°C, cSt 90
Viscosity Index 185
Pour Point, °C -45
Pour Point, °F -49
Brookfield Viscosity @ -40°C, Poise 320

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