As an Amazon Associate I earn from qualifying purchases.


Its built into the product, optimized for all limited slip differentials, including those with built in wet brakes.
Polyphosphate ep proprietary additive system offers substantial improvement in performance over previous generation, low cost, gear oils. Widest spec range on the market: widely compatible with a very large number of hypoid gear systems, differentials, transmissions and axle assemblies. Built in limted slip additive - does not require "additional" LS additive.



Greatly exceeds ep and aw tests fzg and l-37 - proven protection far beyond spec requirements, delivers excellent EP extreme pressure and AW anti-wear performance in a wide range of LS and NON-LS gear systems, Heavy Duty Off-Road, Limited Slip - Heavy Duty Highway, with hypoid and other gears.
True synthetic with pao - this is a true synthetic formulation with PAO base oil. Extreme drain intervals - 500, 000 miles for heavy duty trucks and passenger cars. Will not shear under extreme torque. 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. 750, 000 miles for Class 8 highway trucks.



1. STAR BRITE
#ad
STAR BRITE Hypoid 90w Lower Unit Gear Lube, 32 OZ 027132
#adSTAR BRITE #ad - The ultimate lubrication for maximum performance and economy. Formulated with special anti-wear additives, rust and corrosion inhibitors. These products exceed all engine manufacturers-Feet specifications and are designed specifically for the marine environment.More information #ad
Recommended for use in mercury, force, suzuki, johnson, omc, nissan, Mariner, Mercruiser, evinrude, Yamaha and Volvo Will not void manufacturers-Feet warranties For lower units of all outboard motors and stern drives.Brand | STAR BRITE #ad |
Manufacturer | Star brite #ad |
Height | 9 Inches |
Length | 2.25 Inches |
Weight | 1 Pounds |
Width | 4.25 Inches |
Part Number | 027132 |
Model | 027132 |
More information #ad
2. ULTRA 1PLUS
#ad
Ultra1Plus SAE 90 Conventional Gear Oil API GL-5 | 5 Gallon Pail
#adULTRA 1PLUS #ad - Good foam resistance. Offers long equipment life by protecting gears from rust. Offers very good corrosion protection. Good oxidation resistance. It contains a highly shear stable tackiness.More information #ad
Brand | ULTRA 1PLUS #ad |
Manufacturer | Ultrachem LLC #ad |
Weight | 39 Pounds |
Part Number | UC90GL5P |
More information #ad
3. TRIAX
#ad
Widest OEM Specification Range 1 Gallon, Manual Transmissions, Triax HD Gear Premium LS 80W-90, Differentials, NATO Military Approved, GL-5 Limited Slip Ready, Hypoid Gear Systems
#adTRIAX #ad - Shear stable - excellent thermal stability and high load capacity without viscosity breakdown, facilitates excellent film strength under high loads, high temp and high shear conditions. Outstanding scuffing protection - superb gear and syncron protection, facilitating extremely long transmission life.Its built into the product, optimized for all limited slip differentials, including those with built in wet brakes.
More information #ad
Severe service max: exceptional shear stability and oxidation resistance. Exceeds load stage 13 extreme pressure requirements beyond 120, 000 lbs / sqi. Polyphosphate ep proprietary additive system offers substantial improvement in performance over previous generation, low cost, gear oils. Widest spec range on the market: widely compatible with a very large number of hypoid gear systems, differentials, transmissions and axle assemblies. Built in limted slip additive - does not require "additional" LS additive.
Brand | TRIAX #ad |
Manufacturer | TRIAX LUBRICANTS LLC #ad |
Height | 9.5 Inches |
Length | 4.6 Inches |
Width | 6.5 Inches |
Part Number | TRXGEARALL |
More information #ad
4. RAVENOL
#ad
RAVENOL J1C1135-001 SAE 90w EPX Gear Oil API GL-5 1 Liter
#adRAVENOL #ad - Outstanding corrosion, rust, and non-ferrous metal protection. Neutral to sealants, causing the transmission to seal tight, with no oil loss. Excellent cold flow property and outstanding shear stability.More information #ad
Please see product Description regarding the California Proposition 65 Warning. High pressure and stable lubrication film, reduced transmission noise, outstanding wear protection under any condition, and the best transmission and drive-line efficiency even under full load.Brand | RAVENOL #ad |
Manufacturer | Ravensberger Schmierstoffvertrieb GmbH #ad |
Height | 10 Inches |
Length | 4 Inches |
Weight | 2 Pounds |
Width | 3 Inches |
Part Number | RAV EPX SAE 90 GL-5 1L |
Model | EPX |
More information #ad
5. AMALIE
#ad
1 Quart, AMALIE 73166-56 Elixir API GL-5 Certified 75W-90 Full Synthetic Gear Oil
#adAMALIE #ad - Fit type: Vehicle Specific. Country of Origin : United States. Package dimensions: 5. 08 h x 25. 907 l x 13. 208 w centimeters. Package weight: 1. 899 pounds.More information #ad
Brand | AMALIE #ad |
Manufacturer | Amalie #ad |
Height | 10.2 Inches |
Length | 2.3 Inches |
Weight | 1.9 Pounds |
Width | 4.2 Inches |
Part Number | 73166-56 |
Model | 73166-56 |
More information #ad
6. TRIAX
#ad
Ultra Long Drain 500k Miles, Gear/Differential Lubricant 1 Gallon, Triax Synergy Gear MAX 75W-90 GL-5 Limited Slip, Manual Transmission
#adTRIAX #ad - Meets and exceeds api gl-5 and Limited Slip requirements and a very wide range of specifications across multiple OEMs. Wide range of applications - hypoid and ring gears, passenger cars, differentials, racing / drifting. Professional grade: unrivaled shear stability and longevity.Greatly exceeds ep and aw tests fzg and l-37 - proven protection far beyond spec requirements, delivers excellent EP extreme pressure and AW anti-wear performance in a wide range of LS and NON-LS gear systems, Heavy Duty Off-Road, Limited Slip - Heavy Duty Highway, with hypoid and other gears.
More information #ad
Excellent wear control - up to 62% less wear vs oem specifications across various standards. Features exceptional power transfer under extreme conditions. Exceptional load bearing capacity - Exceeds the highest load test rating, Stage 14. True synthetic with pao - this is a true synthetic formulation with PAO base oil. Extreme drain intervals - 500, 000 miles for heavy duty trucks and passenger cars. Will not shear under extreme torque. 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. 750, 000 miles for Class 8 highway trucks.
Brand | TRIAX #ad |
Manufacturer | TRIAX LUBRICANTS LLC #ad |
Height | 11.75 Inches |
Length | 7.4 Inches |
Width | 4.1 Inches |
Part Number | TRX5559 |
Model | 75W-90 |
More information #ad
7. Valvoline
#ad
Valvoline High Performance SAE 80W-90 Gear Oil 1 QT
#adValvoline #ad - Helps protect against gear Wear From Scuffing, Scouring, Corrosion And Pitting. Recommended for conventional 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.More information #ad
Protects against severe Temperatures To Help Extend Service Life. Formulated with extreme-Pressure Additives To Minimize Gear Wear From Shock Loads.Brand | Valvoline #ad |
Manufacturer | Valvoline #ad |
Height | 11.6 Inches |
Length | 3.38 Inches |
Weight | 2 Pounds |
Width | 3.38 Inches |
Part Number | VV831 |
Model | VV831 |
More information #ad
8. Quicksilver
#ad
Quicksilver 8M0128380 80W-90 Motorcycle Hypoid Gear Oil – 1 Quart,Grey
#adQuicksilver #ad - Fits everything – for use in shaft drive or separate clutch transmission applications. Manufacturer part number 8M0128380 . Peace of mind – meets or exceeds api gl-5 / mt-1 & SAE J236. Protection – provides maximum gear protection against wear, corrosion, and oxidation all while maintaining optimum performance.More information #ad
Performance – used in shaft drive or separate clutch transmissions for optimum performance and gear longevity. Harsh conditions – protects against harsh conditions wearing the surface of the gears.Brand | Quicksilver #ad |
Manufacturer | Quicksilver #ad |
Part Number | 8M0128380 |
Model | 8M0128380 |
More information #ad
9. Quicksilver
#ad
32 oz, Quicksilver 858064Q01 High Performance SAE 90 Gear Lube for Mercury Outboards and MerCruiser Sterndrives
#adQuicksilver #ad - Extreme pressure synthetic additives protect gears from metal to metal contact. Manufacturer part number 858064Q01. Sae 90 viscosity. Designed for outboard and sterndrive applications above 75 HP. Formulated to protect against corrosion and excessive wear. 32 ounce bottle.More information #ad
Brand | Quicksilver #ad |
Manufacturer | Quicksilver #ad |
Height | 9.87 Inches |
Length | 7.62 Inches |
Weight | 0.03 Pounds |
Width | 8.75 Inches |
Part Number | 92-858064Q01 |
Model | 92-858064Q01 |
More information #ad