Lucas Oil Stern Drive and Inboard Marine Engine Oil, SAE 25W-40, 5 qt

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US$21.60
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US$21.60
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Free shipping Free 30-day returns

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Product details

Management number 254263021 Release Date 2026/11/07 List Price US$21.60 Model Number 254263021
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Lucas Oil Stern Drive and Inboard Marine Engine Oil is a synthetic-blend SAE 25W-40 oil made for the demands of 4-cycle marine engines. It is intended for stern drive and inboard marine engines, and it also has applications in 4-stroke outboards and 4-stroke personal watercraft, so it fits a range of marine power setups. Each container holds 5 quarts (160 fl oz; 4.73 L). This oil is fortified with special synthetic additives that are described as coating all moving parts to help guard against rust, corrosion, and moisture during long storage periods—useful context for boats that sit between seasons of use. For newer inboards that use catalytic converters, the formulation is also designed to improve wear protection and increase catalyst life.

  • Synthetic-blend marine engine oil, SAE 25W-40 viscosity, in a 5 qt (160 fl oz; 4.73 L) container
  • Intended for stern drive and inboard marine engines, with additional applications in 4-stroke outboards and 4-stroke personal watercraft
  • Meets or exceeds NMMA FC-W (CAT) performance
  • Meets or exceeds MERCRUISER stern drive and inboard marine performance requirements
  • Fortified with special synthetic additives described as coating moving parts to guard against rust, corrosion, and moisture during long storage periods
  • Designed to improve wear protection and increase catalyst life in newer inboards using catalytic converters
  • Can be used in automotive applications where API SM oils are called for
Motor oil viscosity 25W - 40
Motor oil type Synthetic Blend Motor Oils
Brand Lucas Oil
Rec. use Marine
Volume capacity 160 oz
Has high mileage additives N
Diesel fuel compatible N
Number of engine cycles 4 Cycle
Vehicle type Boat, Watercraft
Vehicle fitment type Specific
Manufacturer Lucas Oil Products
Automotive parts division Performance, Direct Replacement
Material Synthetic Blend
Size 5 Quart (4.73 L)
Net content statement 5 Quart Marine Motor Oil
Model 10814
Vehicle make Marine 25W40 Oil Applications
Compatible cars Boats
Is bulk N
Has written warranty No
Product net content uom Fluid Ounces
Product net content parent 160 Fluid Ounces
Assembled product weight 9.86 lb

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