Full Synthetic SAE 30 4-Stroke Oil 5 Qt. SIERRA™ 18-9410-4
$59.71
Competitor Price:
$73.09
Fully synthetic straight 30 weight engine oil is formulated for inboard & stern drive marine engines.
- Sierra full synthetic inboard engine oil
- SAE 30
- 5 quart bottle
- Recommended for gasoline and diesel inboard and I/O engines
- Developed specifically for the marine environment and the high running stresses marine engines encounter
- Reduces friction and wear for long engine life
- Beter lubrication effectiveness for longer durations than mineral oils
- Reduces oil consumption and improves fuel economy
- Exceeds all FC-W requirements
- API-CF/SL
Most in-stock orders ship within 24 hours. Orders placed by 1:00 PM EST typically ship the same business day, subject to availability.
Average delivery time within the Continental U.S. is 3–7 business days.
Expedited shipping options are available on select products. Weekend delivery is not available.
Oversized items, drop-shipped products, and shipments to Alaska, Hawaii, or international destinations may require additional time or shipping costs.
Tracking information is emailed once your order ships.