15% OFF ORDERS $35+ | 20% OFF $100+ | ONLINE ONLY
USE CODE
WINTER
*
Exclusions apply.
Advance Auto Parts Logo
Choose a Store
  • Shop All
  • Replacement Parts
  • Performance Parts
  • Accessories
  • Oil & Fluids
  • Special Offers
  • Speed Perks
  • Advice & How-Tos
  • Project Guides
  • FAQ / Help Desk
Loading...
Share
Product thumb
Product thumb
Product main large
Loading...
How Would You Like To Get This Item?

Store Pickup

Loading...Loading...Loading...

Same Day Home Delivery

Loading...Loading...Loading...

Home Delivery

Loading...Loading...Loading...
Loading...
Loading...
Loading...Loading...Loading...Loading...Loading...

Product Information

Product Details
Part No. 550063547
Marine Premium Plus 25W-40 Synthetic Blend Engine Oil is expertly crafted to meet the rigorous demands of high-performance 4-stroke outboards, gasoline inboards, and stern drives. Certified under NMMA's FC-W category, this oil delivers exceptional protection against piston deposits, ring sticking, and the damaging effects of moisture and corrosion in harsh marine environments. Its advanced synthetic blend composition and performance-boosting additives ensure optimal engine efficiency and durability, while meeting or exceeding industry standards such as API SM, SJ, and SL. Designed for engines requiring 25W-40 oil, it enhances fuel efficiency compared to 2-stroke marine oils and complies with all 4-stroke outboard manufacturer requirements. Ideal for severe operating conditions, this oil is not suitable for 2-cycle engines or 2-cycle outboards, ensuring precise compatibility for marine applications.

Product Features:


    Product Features:
    • Provides excellent protection against piston deposits and ring sticking
    • Provides protection against moisture and corrosion in marine engines under harsh marine condiditons
    • Provides performance-boosting additives targeting the needs of a marine engine
    • Meets all 4-stroke outboard manufacturer's requirements
    • Provides Greater Fuel Efficiency as compared to 2-stroke marine oil
    • Not for use in 2-cycle engines or outboards
    • Meets or exceeds the following OEM requirements: FC-W Catalyst Compatible Specifications
    • Meets or exceeds the requirements of the following industry specifications: API SM, SJ, and SL
Specifications
Container Size:
1 qt

Oil Class:
Marine

Oil Composition:
Synthetic Blend

SAE Oil Weight:
25W-40
Loading...
Loading...Loading...Loading...Loading...Loading...
Loading...
Loading...
Loading...Loading...Loading...Loading...Loading...
No results
Loading...
Loading...Loading...Loading...Loading...Loading...
Feedback
Be The First To Know About Deals And Promotions.
Plus, create an account to receive $5 off of $20 or more.
TOP REPLACEMENT PARTS
Brake Pads & Shoes
Brake Rotors
Alternators
Water Pumps
Starters
Brake Calipers

Order Lookup

Help Desk

Store Locator

In Store Services

Mobile App

CUSTOMER SUPPORT
Accessibility Statement
Contact Us
Forgot Password
Help Desk
In Store Pickup
In Store Services
Order Tracking
Recall Information
Return Policy
Same Day Delivery
© 2025 Advance Auto Parts
Privacy Policy
Terms of Use
Site Map
ADVANCING A WORLD IN MOTION®