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Briggs & Stratton Original Equipment 100005 4 Cycle Oil. (18oz Bottle) Briggs & Stratton Lawn Mower Oil is formulated for 4-cycle air-cooled engines. Don't overfill the crankcase when adding oil. Too much oil can damage the engine.

Briggs & Stratton 4-Cycle Engine Oil. (48oz Bottle)
Briggs & Stratton Lawn Mower Oil is formulated for 4-cycle air-cooled engines. For optimum performance, change the oil in your small engine after the first five hours of use and then annually, or every 50 hours of use (whichever comes first).

Premium 4-Cycle Small Engine Oil, SAE 30, 27 Fl. Oz.

32oz 5w30 4 cycle engine oil, synthetic - Can only be ordered in quantities of 12 - If not ordered in multiples of 12 the backorders will be cancelled
Snapper mower engines demand the right oil grade and viscosity to reduce friction, cool internal parts, and prevent premature wear. Using genuine Snapper-approved engine oil support proper fit and performance and ensures your engine breathes easier during long cutting seasons. Repair Clinic stocks the exact oil types Snapper specifies for your mower model — whether you run a small 4-cycle push mower or a larger riding deck engine.
Dirty or depleted oil is the silent killer of lawn mower engines. If your mower starts hard, burns blue smoke, loses power, or runs hotter than normal, an oil change is overdue. Fresh OEM Snapper lubricant restores engine life and performance.
Check your manual for the correct oil specification, then find the exact engine oil for your Snapper by model number.
Proper lubrication is the foundation of engine longevity. These FAQs cover oil selection, change intervals, and maintenance best practices for Snapper mowers.
Most Snapper push mowers use SAE 30 or 10W-30 4-cycle engine oil. Riding mowers and larger decks may specify SAE 10W-40 or synthetic blends. Always check your owner's manual — it lists the exact grade. Never substitute; using the wrong viscosity can reduce engine efficiency, increase wear, or can create compatibility or performance problems. When in doubt, contact Snapper or consult your manual's lubrication chart.
Most Snapper engines require an oil change every 50 hours of operation or at least once per season, whichever comes first. If you use your mower heavily (multiple times per week), change oil every 25–50 hours. Synthetic oils may extend intervals slightly, but don't skip changes based on brand alone — follow your manual's schedule. Seasonal storage? Change oil before putting your mower away for winter.
Automotive oils are formulated for different engine speeds and cooling systems than lawn mowers. Small-engine oil has additives that protect against the high RPMs and heat of mower engines. While emergency short-term use of automotive SAE 30 is possible, always switch to genuine Snapper-approved small-engine oil at your next change. Your engine will thank you with longer life and better starting.
4-cycle (four-stroke) engines have separate oil sumps and circulate oil internally — use straight motor oil like SAE 30. 2-cycle (two-stroke) engines mix oil directly into fuel, requiring pre-mix formulas at precise ratios (typically 50:1). Check your owner's manual or engine nameplate to identify your engine type. Using the wrong oil type will damage the engine rapidly.


Maintain the performance of your Snapper Lawn Mower with genuine engine oil from Repair Clinic. Using the right engine oil is key for lubricating and cooling the engine, ensuring efficient operation and longevity. Our model number lookup makes finding the correct oil easy, and with same-day shipping, you won't have to wait long. Plus, enjoy our No-Hassle 365-Day Returns and Price Match Guarantee. For additional maintenance tips, visit our Lawn Mower Repair Help page or browse other Snapper Lawn Mower Parts for comprehensive care solutions.
Snapper places the model number on a label or stamped plate on the mower frame near the blade deck, under the seat, or on the engine housing. Check these areas after brushing away grass and dirt, and copy the complete model number, including any letters. It identifies the entire mower, not just the engine oil or another individual part. Enter the number in the model number search to pull up the parts matched to your unit, including maintenance items and repair parts. Using the full model number narrows the catalog to compatible Snapper Lawn Mower parts, so you can confirm fit quickly instead of comparing specifications across multiple models.

Fresh oil and the right lubricants keep your Snapper Lawn Mower running well and help prevent premature wear on moving parts. Repair Clinic stocks OEM oil, grease, and lubricants along with application guides and video walkthroughs for common service tasks. Use the model number lookup to confirm the correct grade and quantity for your unit, and keep extra on hand for your regular service interval.

Repair Clinic has five ways for you to stop your lawn mower from leaking gas. Before we get to those, let's review how the gasoline you pour into the tank powers the mower.

Why does your lawn mower battery keep dying? Repair Clinic has done the research and this article will provide some answers, starting with what a battery's purpose is on a gas-powered lawn mower.

What's causing that black smoke to billow out of the engine? There are three likely reasons and they are all related to how a gas-powered lawn mower engine operates.