Skip to content
Dealer Login About Support
Blue bottle of Sierra marine engine oil on a white background
SKU 18-9440-2

25W-40 FC-W Synthetic Blend Oil, Qt. | 18-9440-2

by SIERRA
Availability:
in stock, ready to be shipped
$19.79 - $19.79
$19.79
$19.79 - $19.79
$19.79

Sierra 18-9440-2 is a 4-cycle oil blended with premium grade synthetic and mineral based stock. It features superiorly designed additives formulated for the stress endured by sterndrive and inboard engines, and is extensively tested for outstanding performance.

  • 4-cycle oil blended with premium grade synthetic and mineral based stock
  • Superior designed additives formulated for the stress endured by sterndrive and inboard engines
  • Superior corrosion protection
  • Advanced lubrication for reduction of wear to internal engine components
  • Outstanding friction reduction and wear protection
  • Removes thermal breakdown under high RPM's, extreme temperatures and loads
  • Extensively tested for outstanding performance
  • NMMA FC-W Certified/API-SL
OEM INTERCHANGE

Mallory: 9-82390

Mercury Marine

  • 8M0078629
  • 92-883724K01
California Proposition 65 Warning WARNING Cancer or Reproductive Harm — www.P65Warnings.ca.gov
  • 4-cycle oil blended with premium grade synthetic and mineral based stock
  • Superior designed additives formulated for the stress endured by sterndrive and inboard engines
  • Superior corrosion protection
  • Advanced lubrication for reduction of wear to internal engine components
  • Outstanding friction reduction and wear protection
  • Removes thermal breakdown under high RPM's, extreme temperatures and loads
  • NMMA FC-W Certified/API-SL

Logistics

  • Dimensions parcel depth, ["]: 9.7001
  • Dimensions parcel height, ["]: 13.1001
  • Dimensions parcel width, ["]: 10.0001
  • Parcel weight, [lbs]: 24.3001

Product Information

  • Oil Grade: SyntheticBlend
  • Oil Weight: 25W40
  • Product Style: Crankcase
  • Container Capacity: Quart
  • Engine Type: 4Stroke

Free Shipping

When you spend $50+

Contact Support

Talk to a real human on our team

Find a Dealer

Find your local SIERRA or Dometic dealer

Interchange for 25W-40 FC-W Synthetic Blend Oil, Qt. | 18-9440-2

Mallory: 9-82390

Mercury Marine

  • 8M0078629
  • 92-883724K01

*Can't find what you're looking for? Search the entire SIERRA catalog with our parts-finder tool

ALMOST 60 YEARS OF SIERRA

SIERRA has a 58-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. The SIERRA brand encompasses the full SIERRA Marine product lines, as well as expansive brands formerly known as Shields and Moeller.

Learn More