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MTL 75W80 GL-4 Gear Oil
MTL 75W80 GL-4 Gear Oil

MTL 75W80 GL-4 Gear Oil

  • Popular for BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 and NV5600 truck transmissions
  • A popular replacement for and improvement over GM Synchromesh® (#12345349), Auto-Trak II® (#12378508) and Chrysler spec MS-9224
  • Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
  • Offers quicker shifts, A perfect synchroniser coefficient of friction
  • Eliminates notchy shifting, even when cold
  • High-performance gear protection and longer synchro life
  • Satisfies the gear oil viscosity requirements of 75W, 80W and engine oil viscosities of SAE 30, 10W30 and 5W30
  • 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

  • Appropriate coefficient of friction for most manual transmission synchronisers (other's synthetic gear oils are often too slippery for proper synchro engagement)
  • Red Line offers lubricants to pinpoint nearly every transmission application
  • MT-LV, 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 petroleum and other synthetics

A full OEM compatibility list can be found in the 'Technical Details' tab.

Technical Details

MTL OEM Compatibility

MTL Data Sheet

MTL Safety Data Sheet

MTL White Papers

API Service Class GL-4
SAE Viscosity Grade (Motor Oil) 5W30
SAE Viscosity Grade (Gear Oil) 75W80
Vis @ 100°C, cSt 10.4
Vis @ 40°C, cSt 54.1
Viscosity Index 185
Pour Point, °C -50
Pour Point, °F -58
Brookfield Viscosity @ -40°C, Poise 120

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