Top 8 75W90 Synthetic Gear Oil Gl4 – Gear Oils

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1. Valvoline

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Valvoline SynPower SAE 75W-90 Full Synthetic Gear Oil 1 QT

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Valvoline #ad - Helps provide outstanding thermal stability for cleanliness and longer service life. Contains special additives to assist in protecting gear teeth from rust and corrosion and reduce chattering in limited-slip differentials. Formulated to maintain excellent low temperature fluid protection. Recommended for conventional and limited slip differentials and non-synchronized manual transmissions where API GL-5 or API GL-4 fluid is specificed.
BrandValvoline #ad
ManufacturerValvoline #ad
Height11.6 Inches
Length3.38 Inches
Weight0.01 Pounds
Width3.38 Inches
Part NumberVV975
ModelVV975

2. Royal Purple

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Royal Purple 06300 75w90 Max Gear Oil Case, 1 Pack, 6 Quart

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Royal Purple #ad - Max gear outperforms ordinary gear oils by combining the highest quality synthetic oils with Royal Purple's proprietary Synerlec additive technology. Makes gears run smoother, quieter, cooler and longer without overhauls. A direct reduction of drag in the drive train has huge advantage for trucks and other 4-wheel drive vehicles. Ultra-tough, high performance Automotive hypoid gear oil to provide maximum protection to heavily loaded gears while maximizing power throughout the drive train. Formulated with a friction modifier additive - no additional additives are necessary.
BrandRoyal Purple #ad
ManufacturerRoyal Purple #ad
Height12.6 Inches
Length10.9 Inches
Weight12.65 Pounds
Width7.3 Inches
Part Number06300
Model06300

3. Red Line

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1 Quart, Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant

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Red Line #ad - Satisfies gear oil viscosity requirements of 75W; 80W; SAE 40 10W40 and 15W40 motor oil. Stable at high temperatures in performance applications. Less slippery low sulfur formula compatible with brass synchronizers. Also available as lighter viscosity like MTL and MT-85. Popular in vw audi; Nissan; Toyota and Mazda.
BrandRed Line #ad
ManufacturerRed Line #ad
Height16 Inches
Length65 Inches
Weight1.7 Pounds
Width14 Inches
Part Number50304
Model50304

4. Lucas Oil

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1 Gallon, Lucas Oil 10048 SAE 75W-90 Synthetic Transmission and Differential Lube

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Lucas Oil #ad - Fit type: Vehicle Specific. Package dimensions: 31. 75 h x 15. 24 l x 15. 24 w centimeters. Package weight: 3. 447 kilograms. Country of Origin : United States.
BrandLucas Oil #ad
ManufacturerLucas Oil #ad
Height6 Inches
Length4 Inches
Weight7.35 Pounds
Width6 Inches
Part Number10048
ModelLUC10048

5. Valvoline

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Valvoline High Performance SAE 75W-90 Gear Oil 1 QT

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Valvoline #ad - Formulated with extreme-pressure additives to minimize gear wear from shock loads. Helps protect against gear wear from scuffing, scouring, corrosion and pitting. Recommended for limited-slip hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified. Protects against severe temperatures to help extend service life.
BrandValvoline #ad
ManufacturerValvoline #ad
Height11.6 Inches
Length3.38 Inches
Weight1.55 Pounds
Width3.38 Inches
Part NumberVV820
ModelVV820

6. Red Line

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Red Line | 58304 75W90 Non-Limited Slip Synthetic Gear Oil | 1 Quart | Pack of 2

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Red Line #ad - Provides greatest efficiency for the drivetrain. Faster and easier shifting at low-temperatures. Faster and easier shifting at low-temperatures. Limited slip and provides a stable viscosity. Reduces wear and tear.
BrandRed Line #ad
ManufacturerRed Line #ad
Part Number58304
Model10

7. Red Line

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Red Line 50305 Manual Transmission MT 90W Gear Oil, Synthetic Gear Lube, 1 Gallon

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Red Line #ad - No compromises. Recommended for gl-1, and gl-4 applications, GL-3, as well as where most special synchromesh fluids are specified. Safe for brass synchros - gl-4 gear oil lacks the reactive sulfurs found in most GL-5 oils that cause damage.

Recommended for gl-1, GL-3 & GL-4 applications. Offers quicker shifts - excellent gear and synchro protection, balanced friction control & slipperiness for easier shifting even in cold climates. Why red line - established in 1979, Red Line Products perform & protect better than any on the market. High performance - gear protection and longer synchro life. Popular motor oil for - nissan, lotus elise/Exige, mazda, toyota, VW/Audi, Mitsubishi, Mendeola transmissions & Atlas transfer cases for Off-Road.
BrandRed Line #ad
ManufacturerRed Line #ad
Height11.25 Inches
Length7.5 Inches
Weight7 Pounds
Width4 Inches
Part Number50305
Model50305

8. Liqui Moly

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Liqui Moly Marine Fully Synthetic Gear Oil GL4/GL5 75W-90, 1L

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Liqui Moly #ad - Country of Origin: Germany. Package dimensions: 8. 4 l x 8. 5 w x 25. 9 h centimeters. Package weight: 0938 kilograms. Product type: Auto Accessory.
BrandLiqui Moly #ad
ManufacturerLiqui Moly #ad
Part Number20538
Model20538