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Red Line MT-90 75W90 GL-4 Manual Transmission Gear Oil - 1 Gallon

$391.56

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Red Line MT-90 75W90 GL-4 Manual Transmission Gear Oil - 1 Gallon

$391.56

$391.56

Red Line MT-90 75W90 GL-4 is a fully synthetic manual transmission lubricant designed to improve shift feel and provide superior synchronizer protection. Formulated specifically for units requiring a GL-4 fluid, MT-90 lacks the reactive sulfurs found in most GL-5 oils that can corrode brass and other yellow metal synchronizers. This makes it an ideal solution for eliminating notchy shifting and grinding, even during cold operation.

This high-performance gear oil is popular in manual transmissions for select Nissan, Mazda, Mitsubishi, VW/Audi, Lotus Elise/Exige, and Toyota vehicles, as well as Mendeola transmissions and Atlas transfer cases. It provides the correct coefficient of friction for smooth engagement while maintaining high-temperature stability under performance driving conditions.

  • API Service Class: GL-4
  • Viscosity Grade: SAE 75W90
  • Viscosity Equivalency: Satisfies 75W90, 80W90, and 90 gear oil requirements
  • Motor Oil Equivalency: Replaces SAE 40, 10W40, and 15W40 in transmission applications
  • Safe for yellow metal synchronizers and brass bushings
  • Improves shift speed and synchronizer life
  • Size: 1 Gallon

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