Sierra Gasoline Inboard Sterndrive Engine Oil

Description

Sierra Gasoline Inboard Sterndrive Engine Oil and are blended to the same high standards as the OEM oils and meet the same FC-W and TC-W3 certification standards. Sierra offers specific oils for your brand of engine, not a “one oil fits all” like some companies.

Available Gasoline Inboard Sterndrive Engine Oils

• Sierra 18-9400: 25W-40 Premium Blend Oil
  • NMMA FC-W API SL Certification
  • Meets or exceeds quality performance API, SJ, CF-4, CH-4
  • Will not void your engine manufacturer’s warranty
• Sierra 18-9440: 25W-40 Synthetic Blend Oil
  • NMMA FC-W API SL Certification
  • Formulated for inboard and sterndrive engines
• Sierra 18-9410 SAE 30 Full Synthetic Oil
  • API SL/CF Certification
  • Formulated for inboard and sterndrive engines
• Sierra 18-9690: Full Synthetic 10W-30 Oil
  • NMMA FC-W API SL Certification
  • Formulated specifically for 4 cycle outboard and sterndrive technology
  • Exceeds the FC-W requirements for marine engine oils
• Sierra 18-9552: Synthetic Blend 25W-50 Oil
  • NMMA FC-W API SL Certification
  • Meets the FC-W requirements for 4-cycle water cooled engines
  • Replaces Mercury 92-858084K01 for Mercury Verado

Documents

• Sierra Oil Interchange Chart