AMMA Marine 25W40 Premium Semi-Synthetic Engine Oil 4L
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AMMA Marine 25W40 Premium Semi-Synthetic Engine Oil 4L

Product Code: AMMA25W40SYNG

AMMA Marine Engine Oil Premium Semi-Synthetic Blend 25W40 is designed for 4-stroke marine engines, including outboard, sterndrive, and inboard motors. This oil provides excellent protection against wear, sludge, and varnish, while maintaining viscosity at high temperatures. It meets and exceeds API SJ, CF-4, and CH-4 standards, and is suitable for use in supercharged Mercury Verado engines. Compatible replacements include Sierra SIE18-9400-2, SIE18-9440-2, SIE18-9440-8, SIE18-9440-2-CAT, SIE18-9400-2-CAT, Quicksilver/Mercury QUI92-8M0078633, QUI92-8M0078635, and Starbrite 028332.

This oil is ideal for boats, watercraft, snowmobiles, and motorcycles with 4-stroke engines. AMMA Marine products are built for quality and durability, backed by one of the best warranties in the industry. For any issues, contact your local retailer for support or exchange. Patent pending.

  • Resists thermal breakdown at high temperatures
  • Protects against sludge and varnish formation
  • Reduces friction and wear
  • High viscosity stability
  • Guards bearings from rust and corrosion
  • Prevents scum and air infiltration

Safety data sheet SDS

  • Suggested Retail Price: $76.99