AMSOIL Vehicle Lookup Guide
Use the AMSOIL vehicle lookup guide to match your car, truck, motorcycle, ATV, UTV, or equipment with the right synthetic oil and filters.
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AMSOIL Guides
Plain-language AMSOIL guides that match products to your vehicle, compare product tiers side by side, walk through application lookups, and explain which account type gets you the best pricing.
Available guides
Where to Buy AMSOIL Synthetic Oil
Learn where to buy AMSOIL synthetic oil online, how preferred customer pricing works, and how to choose the right product category.
View GuideWhat Is Synthetic Oil
Learn what synthetic oil is, how it is made, how it differs from conventional oil, and when full synthetic is worth the switch.
View GuideWhy Motor Oil Breaks Down
See how heat, oxidation, contamination, and additive depletion end an oil's useful life, and how oil analysis shows when it is time to change.
View GuideMotor Oil Terms and Acronyms Glossary
Plain-English definitions for the terms and acronyms on oil bottles and data sheets, from API and viscosity index to TBN, NOACK, and ZDDP.
View GuideAMSOIL Questions and Answers
Straight answers on who makes AMSOIL, where it is made, whether it is worth it, mixing oils, drain intervals, and where to buy.
View GuideAMSOIL Warranty Guide
How federal law protects your factory warranty when you choose AMSOIL, what the AMSOIL Limited Warranty covers, and where the documents live.
View GuideFree AMSOIL Catalog Request
Request or browse AMSOIL catalog information for synthetic motor oil, filters, gear lubricants, fuel additives, and maintenance products.
View GuideSmall Engine Oil Guide
Find the right oil for your mower, generator, or pressure washer. Compare SAE 30 versus 10W-30, when synthetic small engine oil pays off, and what to skip.
View GuideLawn Mower Oil Questions
Clear answers on what oil a lawn mower takes, whether car oil is OK, when 5W-30 fits, synthetic oil for mowers, and how often to change lawn mower oil.
View GuideAMSOIL 5W-30 Oil Guide
Compare AMSOIL 5W-30 motor oils across Signature Series, XL, and OE families to pick the right viscosity for your engine, mileage, and budget.
View GuideAMSOIL Signature Series Oil Guide
Learn what AMSOIL Signature Series motor oil is, how it differs from OE and XL, and how to choose 0W-20, 5W-30, or 0W-40 viscosity for your engine.
View GuideAMSOIL ATF Guide
Compare AMSOIL Signature Series, Fuel-Efficient, and OE synthetic automatic transmission fluids by required spec, vehicle application, and service conditions.
View Guide80W-90 Gear Oil Guide
Learn what 80W-90 gear oil means, where it is used in differentials and manual gearboxes, and when to choose 75W-90 or 75W-140 instead of an 80W-90.
View GuideAMSOIL Diesel Oil Guide
Compare AMSOIL diesel oils by viscosity, OEM spec, emissions hardware, and workload. Find the right 5W-40, 15W-40, or HDD oil for your truck.
View GuideBest Oil for Harley-Davidson
Pick the right Harley-Davidson oil for engine, primary, and transmission. AMSOIL 20W-50 V-Twin synthetic, primary fluid, and trans fluid compared.
View GuideAMSOIL vs Mobil 1
Compare AMSOIL and Mobil 1 synthetic motor oils by product family, viscosity, certifications, and how to pick the right grade for your vehicle.
View GuideAMSOIL vs Royal Purple
Compare AMSOIL and Royal Purple synthetic motor oils and gear lubricants by product families, specifications, and how to choose the right grade.
View GuideAMSOIL Grease Guide
Choose the right AMSOIL grease by NLGI grade, water resistance, load, and temperature. Compare NLGI 2, NLGI 1, semi-fluid, and 5th wheel options.
View GuideAMSOIL 75W-90 Gear Oil Guide
Compare AMSOIL 75W-90 gear oils for differentials, manual transmissions, and limited-slip use. Severe Gear, GL-5 versus GL-4, and slip additive guidance.
View GuideATV Oil Guide
Choose the right ATV oil with this guide to wet clutch protection, shared sump designs, 0W-50, 10W-40, and AMSOIL synthetic ATV and UTV fluids.
View GuideAMSOIL CVT Fluid Guide
Compare AMSOIL synthetic CVT fluid against OEM specs for Subaru, Nissan, Toyota, and Honda CVTs, and learn why CVT fluid is not ATF or a substitute.
View GuideNon-Toxic Antifreeze Guide
Learn how propylene glycol antifreeze lowers toxicity risk versus ethylene glycol, how to clean spills around pets, and how to match coolant to vehicle specs.
View GuideISO Hydraulic Oil Guide
Compare ISO 22, 32, 46, 68, and 100 hydraulic oils, anti-wear versus R&O fluids, seasonal viscosity, and how to read equivalent charts before buying.
View GuideAMSOIL Coolant Guide
Compare AMSOIL passenger-car, heavy-duty, and Dominator Coolant Boost options. Learn coolant chemistry, OAT compatibility, and why color is not a spec.
View GuideAMSOIL Quickshot Guide
Learn when to use AMSOIL Quickshot, how it differs from Gasoline Stabilizer and P.i., and how it protects ethanol-blended fuel in powersports and small engines.
View GuideAMSOIL Dirt Bike Oil Guide
Pick the right AMSOIL dirt bike oil. Compare 4-stroke 10W-40, wet-clutch friendly formulas, transmission fluid, and 2-stroke premix or injector oil.
View GuideAMSOIL Snowmobile Oil Guide
Compare AMSOIL snowmobile oils. Pick injector or premix 2-stroke oil, 4-stroke 0W-40, and chaincase lube based on your sled, OEM spec, and cold-weather use.
View GuideOil Filter Guide
Choose the right oil filter by application, thread fit, gasket, efficiency, and drain interval. Compare MANN, WIX, Donaldson Blue, and AMSOIL.
View GuideAMSOIL Motorcycle Oil Guide
Pick the right AMSOIL motorcycle oil for V-Twin, metric, dirt bike, or scooter use, with manual-first viscosity and JASO wet clutch guidance.
View GuideAMSOIL Manual Transmission Fluid Guide
Match your manual gearbox to the right AMSOIL fluid. Compare synchromesh, 75W-90 GL-4 transaxle gear lube, ATF, and the GL-4 vs GL-5 rule.
View GuideAMSOIL Car Oil Guide
Compare AMSOIL Signature Series, XL, OE, High-Mileage, hybrid, and European motor oils. Match viscosity, drain interval, and budget to your car.
View GuideAMSOIL 0W-20 Oil Guide
Compare AMSOIL 0W-20 motor oils, including Signature Series, OE, Hybrid, and High-Mileage, and learn how to match the right 0W-20 to your owner's manual.
View GuideMarine 2-Stroke Oil Guide
Compare AMSOIL HP Marine and 100:1 Pre-Mix outboard oil, learn what TC-W3 means, and pick the right 2-stroke marine oil for your outboard engine.
View GuideCompressor Oil Guide
Pick the right ISO 32, 46, 68, or 100 compressor oil for reciprocating and rotary screw compressors. Drain intervals, varnish, and water tips.
View GuideLawn Tractor Oil Guide
Pick the right lawn tractor oil for V-twin engines. SAE 30 vs 10W-30, synthetic small engine oil, drain intervals, and hydrostatic fluid tips.
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