Best Engine Cooling Engine Oils in 2026

Tested and approved by Briggs & Stratton engineers

Warranty certified and recommended in all Briggs & Stratton manuals

A high quality detergent oil classified SJ/CD by the API

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

42 Percent Better Rating On Fighting Power Robbing Deposits

Superior Engine Protection Vs Conventional And Synthetic Blend Oils

Superior Performance Against Deposits, Wear And Oxidation; Bottle Color: Black

Adheres to component surfaces to prevent scuffing and galling during initial start-up

High quality formulation meets OEM performance specs for engine assembly lubricants

Proper lubrication of metal mating surfaces is essential prior to starting a new or rebuilt engine

Coats internal engine components to prevent corrosion

Displaces moisture from metal to protect engine

Lubricates cylinders to prevent cylinder damage (scuffing) at start up

PROVEN TO MINIMIZE EVERYDAY WEAR on your engine by providing consistent lubrication and defense

OPTIMIZE POWER & FUEL EFFICIENCY with our low friction technology

RESIST OIL BREAKDOWN & SLUDGE with added detergents to keep your engine clean

Exceeds ILSAC GF-5/APIstandards for protection against deposits, wear, and low speed preignition, especiallyturbocharged engines.

Exceeds ILSAC GF-5/APIstandards for protection against deposits, wear, and low speed preignition, especiallyturbocharged engines.

Meets ILSAC GF-5 specificationsfulfill current energy-conserving performance standards

Defects in Workmanship 30 Days

Heavy, sticky, spray lubricant forms a protective barrier to prevent rust on the engine's internal metal surfaces.

Keeps cylinders lubricated to prevent cylinder or piston damage when starting the engine after off-season storage.

Use to "winterize" (off season storage) all engines; outboards, sterndrives, cars, trucks, ATV/UTV's, motorcycles, snowmobiles, lawn mowers, chainsaws, leaf blowers, hedge trimmers

This unique Rislone additive uses a fully-formulated GF-5/son-rated synthetic motor oil carrier that is backwards-compatible with all vehicles

It contains a base synthetic oil to help improve mileage & performance while decreasing emissions

It is designed to work fully with all oil viscosity grades including ow-20, ow-30, 5W-20, 5W-30, 10W-30, 5W-40, 15W-40 and all others

Helps maintain proper engine oil operating temperatures

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Our LS Oil Port Plate is CNC Precision Machined 6061 Billet Aluminum

Our LS Oil Port Plate has a single 1/8 NPT Thread Great For A Turbo Feed Line

Our LS Oil Port Plate Is Made In USA.

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

Mobil 1 High Mileage full-synthetic motor oil 0W-20 is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes.*

Utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness

Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy

Helps maintain proper engine oil operating temperatures

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

3X stronger against viscosity breakdown than leading full synthetic, based on Kurt Orbahn test in 5W-30 grade

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

6X better wear protection