Ariens Genuine 4-Cycle SAE 30 Engine Oil 20 oz Bottle OEM 04642700

What It Is

Ariens Genuine 4-Cycle SAE 30 Engine Oil (20 oz, OEM 04642700) is a high-viscosity, single-grade oil formulated for air-cooled small engines commonly used in push mowers, riding mowers, and two-stage snow blowers. It’s designed for warmer-weather operation (typically above 40°F) and provides reliable lubrication for Ariens and compatible 4-cycle engines.

Fitment & Compatibility

• Check your engine manual: This oil is for 4-cycle engines only—do not use in 2-cycle or 4-cycle engines requiring multi-viscosity (e.g., SAE 5W-30 or 10W-30).
• Temperature range: SAE 30 is ideal for ambient temperatures above 40°F. For colder starts, use a multi-grade oil.
• OEM vs. aftermarket: Ariens Genuine oil is recommended for Ariens models, but it’s compatible with most small engines (Briggs & Stratton, Kohler, Honda, etc.) that specify SAE 30.
• Volume: 20 oz bottle is typical for a single oil change on small mower engines (check your engine’s oil capacity—often 18–20 oz).
• Measurements: No deck size or brand-specific fitment issues—just verify your engine’s oil type and capacity.

Key Things to Know

• Quality: High-detergent, non-synthetic oil that meets API service classifications for small engines. Reduces sludge and carbon buildup in air-cooled engines.
• Installation difficulty: Easy—just remove the dipstick, drain old oil (if needed), and pour in the new oil. No special tools required.
• Common gotchas:
  • Do not mix with synthetic or multi-viscosity oils.
  • Overfilling can cause engine damage—use the dipstick to check level.
  • Store at room temperature; oil thickens in cold weather, affecting flow.
• Shelf life: Unopened, it lasts 3–5 years. Once opened, use within 1 year.

Should You Buy It

Buy this if you own an Ariens mower or snow blower and want a perfect OEM match for warm-weather use, or if you have any small 4-cycle engine that calls for SAE 30. It’s a straightforward, reliable choice for routine oil changes, but skip it if you need multi-viscosity oil for year-round or cold-weather operation.