Top 10 75W90 Synthetic Gear Oil GL-5 – Gear Oils

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1. Red Line


Red Line 57905 75W90 GL-5 Gear Oil, 1 Gallon

Red Line #ad - Allow for faster shifting. Great gear protection and performance. Good shiftability and synchro compatibility. Use to prevent limited-slip chatter.
BrandRed Line #ad
ManufacturerRed Line #ad
Height11.25 Inches
Length7.5 Inches
Weight5 Pounds
Width4 Inches
Part Number57905

2. Triax


Ultra Long Drain 500k Miles, Triax Synergy Gear MAX 75W90 GL-5 Limited Slip, Gear/Differential Lubricant 1 Gallon, Manual Transmission

Triax #ad - Meets and exceeds api gl-5 and Limited Slip requirements and a very wide range of specifications across multiple OEMs. Dont be fooled by cheap products which advertise themselves as Synthetics but have a VI Index below 160 and freeze at -30F and a very limited specification range.

Wide range of applications - hypoid and ring gears, differentials, passenger cars, Heavy Duty Off-Road, limited slip - heavy duty highway, delivers excellent ep extreme pressure and aW anti-wear performance in a wide range of LS and NON-LS gear systems, Racing / Drifting. Features exceptional power transfer under extreme conditions. Professional grade: unrivaled shear stability and longevity. Exceptional load bearing capacity - Exceeds the highest load test rating, Stage 14.

Extreme drain intervals - 500, 000 miles for heavy duty trucks and passenger cars. Will not shear under extreme torque. Excellent wear control - up to 62% less wear vs oem specifications across various standards. Greatly exceeds ep and aw tests fzg and l-37 - Proven protection far beyond spec requirements, with hypoid and other gears. True synthetic with pao - this is a true synthetic formulation with PAO base oil. 750, 000 miles for Class 8 highway trucks.
BrandTriax #ad
Height11.75 Inches
Length7.4 Inches
Width4.1 Inches
Part NumberTRX5559

3. Valvoline


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

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

4. Ultralub


Ultra1Plus SAE 75W-90 Synthetic Gear Oil, API GL-5 | 5 Gallon Pail

Ultralub #ad - Helps to reduce operating costs. Maintains film strength for reliable lubrication. Extended gear and bearing life due to minimal deposits. Contribution to reduced maintenance cost and longer equipment life. Contribution to reduced wear and ease of start up.
BrandUltralub #ad
ManufacturerUltrachem LLC #ad
Part NumberUFS7590GL5

5. Star Fire Premium Lubricants


StarFire Full Synthetic 75W90 Gear Lubricant 5 Gallon Pail

Star Fire Premium Lubricants #ad - Protects against oxidative degradation. Provides excellent protection against wear under extreme pressure and high torque operation. Helps prevent foaming, rust, and corrosion. High resistance to thermal breakdown. Smooths and quiets operation.
BrandStar Fire Premium Lubricants #ad
ManufacturerStarFire Premium Lubricants #ad
Height9.5 Inches
Length15.2 Inches
Width10.6 Inches
Part NumberSF F/S 75W90 GL 5 Gallon
ModelSF F/S 75W90 GL 5 Gallon

6. Ultralub


Ultra1Plus SAE 75W-90 Synthetic Gear Oil GL-5 | Quart

Ultralub #ad - Fully synthetic - full synthetic motor oil means longer lasting high-performance vehicles with a cleaner filter and fewer oil impurities. Proprietary blend - we blend high-performance synthetic components to create a proprietary solution for guaranteed performance.

Pressure ready - our 75w-90 oil was made to deal with extreme pressure and shock loading, providing load-carrying capability that won’t let you down. Balanced solution - an ultra low pour point and low temperature fluidity help this oil retain its balance across temperature extremes. Supreme performance - with exceptional thermal and oxidation stability, as well as a high Viscosity Index VI rating, this oil has earned a reputation for performance.
BrandUltralub #ad
ManufacturerUltrachem LLC #ad
Height9 Inches
Length4.25 Inches
Weight1.92 Pounds
Width2.5 Inches
Part NumberUCFS7590GGL4QA

7. Red Line


Red Line 57904 75W90 Synthetic Gear Oil, 1 Quart

Red Line #ad - Allows for faster shifting. Can also be used in racing limited-slip differentials. Makes the transmission synchronizers come to equal speeds more quickly.
BrandRed Line #ad
ManufacturerRed Line #ad
Height8.7 Inches
Length4 Inches
Weight1.7 Pounds
Width3.9 Inches
Part Number57904

8. ACDelco


ACDelco GM Original Equipment 10-4016 GL-5 75W-90 Synthetic Axle Lubricant, 1 qt

ACDelco #ad - High quality formula manufactured to withstand high temperatures encountered during extended high-speed operation while retaining fluidity at cold temperatures. Improved formula includes a grape scent for a more pleasant application experience. Meets american petroleum Institute API GL-5 specification for use in severe conditions.
BrandACDelco #ad
ManufacturerACDelco #ad
Height2.3 Inches
Length3.8 Inches
Weight1.8 Pounds
Width4.3 Inches
Part Number10-4016
WarrantyNo Warranty

9. Mobil 1


1 Quart, Mobil 1 104361-UNIT 75W-90 Synthetic Gear Lube

Mobil 1 #ad - Through creativity, productivity And Innovation - This Brand Continues To Develop The Finest Automotive Accessories. Model number : 104361-UNIT.

Mobil 1 synthetic gear lube ls 75w-90 mobil 1 synthetic gear lube ls 75w-90 is a supreme performance, sae 75w-90 automotive Gear Lubricant Designed To Meet The Highest Level Of Performance Requirements Of Modern Passenger Vehicles In All Types Of Operating Conditions, synthetic, including Limited Slip Applications, multi-purpose, As Well As Delivering Outstanding Power Transfer Performance. Compared to conventional hypoid gear lubricants, mobil 1 Synthetic Gear Lube Ls 75W-90 Performs Exceptionally Well Over A Wide Range Of Temperatures.
BrandMobil 1 #ad
ManufacturerMobil 1 #ad
Height9.8 Inches
Length3.4 Inches
Weight1.8 Pounds
Width3.3 Inches
Part Number104361-UNIT
WarrantyManufacturer Warranty

10. ACDelco


1 gal, ACDelco GM Original Equipment 10-4128 GL-5 75W-90 Synthetic Lubricant

ACDelco #ad - Meets american petroleum Institute API GL-5 specification for use in severe conditions. Formulated for improved fuel efficiency, lower axle temperature operation, and improved thermal stability. High-quality product is suitable for both car and truck axles.
BrandACDelco #ad
ManufacturerACDelco #ad
Height4.1 Inches
Length12.1 Inches
Width7.5 Inches
Part Number10-4099
WarrantyNo Warranty