Best Shipmate in 2026

SHIPMATE Hi-Viscosity 80W90 PLUS Lower Unit Gear Lube is formulated specifically for marine applications, and is ideal for modern mechanical shift outboard lower units and inboard/outboard stern drives.

MAXLIFE TECHNOLOGY PREVENTS engine breakdown with 40% better wear protection than the industry standard

REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners

REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents – keep motors clean inside

40% BETTER WEAR PROTECTION than the industry standard with enhanced anti-wear additives, keeping critical engine components safe and preventing metal surfaces from making contact

EXCEPTIONAL TEMPERATURE PROTECTION no matter the weather with superior viscosity modifiers to ensure oil flows more easily, coats more completely, and resists thermal breakdown even in the fiercest driving conditions

ENHANCED FRICTION PERFORMANCE HELPS MAXIMIZE POWER with advanced friction-fighting agents that properly lubricate moving parts and help your older engine maintain its horsepower to perform its best for longer

ADVANCED PROTECTION AGAINST the four main causes of engine breakdown: wear friction heat and deposits

40% BETTER WEAR PROTECTION vs. industry standard as tested in the Sequence IVB engine test

25% BETTER DEPOSIT PROTECTION with superior engine cleaning detergents as tested in the GMOD engine test

Phosphorus Replacement Technology to help extend the life of the emission system

Superior dispersancy that fights sludge build up

Exceptional oil burn-off protection exceeding industry standards, based on API and ACEA volatility specifications

20w50 motor oil

Provide better protection against volatility burn off.

Formulated with superior base oils & patented additive technology

ADVANCED PROTECTION AGAINST the four main causes of engine breakdown: wear friction heat and deposits

40% BETTER WEAR PROTECTION vs. industry standard as tested in the Sequence IVB engine test

25% BETTER DEPOSIT PROTECTION with superior engine cleaning detergents as tested in the GMOD engine test

Full synthetic 0W-20 engine oil made from made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology

Pennzoil 0W-20 is a carbon neutral motor oil, achieved through verified Nature Based Carbon Credits that offset the CO2 lifecycle emissions

Provides better fuel economy—drive on average an extra 550 miles per year (versus a dirty engine)

Recommended by world-leading car manufacturers

Engine protection for the entire drain interval even under extreme pressure

For use in both gasoline and light duty diesel applications

Full synthetic 0W-20 engine oil made from natural gas, not crude, using Pennzoil's patented gas-to-liquid PurePlus Technology

No other leading motor oil provides better wear protection for your engine (based on Sequence IVA wear test using SAE 5W-30)

Pennzoil 0W-20 is a carbon neutral motor oil, achieved through verified Nature Based Carbon Credits that offset the CO2 lifecycle emissions

ADVANCED PROTECTION AGAINST the four main causes of engine breakdown: wear friction heat and deposits

40% BETTER WEAR PROTECTION vs. industry standard as tested in the Sequence IVB engine test

25% BETTER DEPOSIT PROTECTION with superior engine cleaning detergents as tested in the GMOD engine test

Better wear protection

Increased protection against LSPI

Increased fuel efficiency

HIGH PERFORMANCE - Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified

OFFERS QUICKER SHIFTS - Excellent gear and synchro protection, balanced friction control & slipperiness for easier shifting even in cold climates

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

LOCKS ON, DOES NOT LEAK: Grease goes in, not on the machine. LockNLube’s unique sliding sleeve ensures that when the jaws are locked onto the Zerk, a leak-proof seal is created.

ONLY REBUILDABLE COUPLER: All LockNLube couplers include a rebuild kit! Simply replace the seal and jaws and it is as good as new = lowest lifetime cost.

COMPATIBLE WITH ALL GREASE GUNS AND ZERK FITTINGS: 1/8" NPT works with all grease guns and manufacturers – pneumatic, manual, or electric. Locks on to all Metric and SAE specification Zerks.

Maximum wear protection

Increase horsepower and torque

Advanced protection for performance and modified engines

AMERICA’S RACING OIL is recommended for high-performance gasoline engines as well as those burning full or partial alcohol fuels

SPECIAL FRICTION MODIFIERS help minimize friction, keeping heat at bay for maximum power and torque at high RPMs.

2X MORE ZINC FOR EXTREME WEAR PROTECTION for even greater film strength and anti-wear protection on critical engine components such as pistons, cams and bearings

Rapid oil delivery at low temperatures, high lubrication reliability at high and low temperatures

Long engine service life due to high level of protection against wear, mixable and compatible with commercially-available engine oils

Outstanding engine cleanliness, tested with catalytic converters and performance proved with turbochargers

Patented Phosphorus Replacement Technology to help extend the life of your emission system

10X better high temperature performance, as measured in Sequence IIIH engine test vs. API SP test limit

6X better wear protection, as measured in latest Sequence IVA engine test

Mobil 1 Synthetic Gear Lube Ls 75W-90 Mobil 1 Synthetic Gear Lube Ls 75W-90 Is A Supreme Performance, Synthetic, Multi-Purpose, 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, Including Limited Slip Applications, 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

Through Creativity, Productivity And Innovation - This Brand Continues To Develop The Finest Automotive Accessories

Better wear protection

Increased fuel efficiency

Better protection of the expensive catalytic emission system

Item Package Dimension 8.49999999133L x 3.99999999592W x 3.99999999592H inches

Item Package Weight - 1.69976404002 Pounds

Item Package Quantity - 1

Better protection

Improved performance

Quality you can trust

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.

Case of 3 // 1 Quart (32 Ounces)

Royal Purple engineered this ultra-tough, high performance automotive hypoid gear oil to provide maximum protection to heavily loaded gears while maximizing power throughout the drive train. Max Gear outperforms ordinary gear oils by combining the highest quality synthetic oils with Royal Purple’s proprietary Synerlec additive technology.

Maximizes horsepower, Extends gear and bearing life, Reduces operating temperature, Severe service performance, Lower coefficient of friction, Superior corrosion protection

For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual

Minimizes metal-on-metal wear

Quiets engines

Item Package Dimension: 8.81L x 4.05W x 4.05H inches

Item Package Weight - 1.75 Pounds

Item Package Quantity - 1

100% synthetic lubricant for all mechanical transmission of high performances and racing cars.

For synchronized or not synchronized gearboxes, gearbox/differential and transfer gearboxes

0% shear loss: Unshearable oil film in extreme conditions.

Delivers superior protection and enhanced performance due to its unique blend of synthetic oils

Enhanced additive technology greatly reduces engine wear and prevents metal-to-metal contact

Extremely tenacious, adheres to engine surfaces, and remains after shutdown, providing protection upon initial startup

Brand: Royal Purple

LTDType: Synthetic

Viscosity: 75W-90