Purple Line 50304 MT-90 75W-90 GL-4 Guide Transmission and Transaxle Lubricant (MTL)- 1 Quart
Published on: May 31, 2025$23.10
From the model
MOTOR OIL
COOLING SYSTEM
POWERSPORTS
GEAR OIL
FUEL ADDITIVES
TRANSMISSION FLUIDS
SUSPENSION FLUIDS
POWER STEERING
TWO-STROKE OILS
HIGH PERFORMANCE – gear safety and longer synchro life. Advisable for GL-1, GL-3, and GL-4 functions.
QUICKER SHIFTS – good synchronizer coefficient of friction and eliminates notchy shifting, even when chilly
REQUIREMENTS – gear oil viscosity of 75W; 80W; SAE 40 10W40 and 15W40 motor oil
POPULAR GEAR OIL FOR – GL-1, GL-3 and GL-4 functions, in addition to the place most particular synchromesh fluids are specified. Protected for brass synchros, because it lacks the reactive sulfurs present in most GL-5 oils that trigger injury
WHY RED LINE – Established in 1979, Purple Line Merchandise carry out & defend higher than any available on the market. No compromises
Clients say
Clients discover this transmission lubricant works properly, with one noting it improves efficiency in drained and worn transmissions. The oil receives constructive suggestions for its high quality, with one buyer mentioning it is higher than factory-fill choices, and clients respect its effectiveness in handbook transmissions, significantly in vintage vehicles. Clients report important enhancements in shifting smoothness, noise discount with much less synchro noise throughout gear modifications, and full elimination of grinding points. Clients contemplate the product price its worth.
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