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Lucas Oil 10654 Marine Semi-Synthetic 20W-50 Engine Oil

Manufacturer

Lucas Oil

<h3>American Innovation in Engine Performance</h3> <p>Lucas Oil Products was founded in 1989 by trucker Forrest Lucas and his wife Charlotte, with a simple goal: to create lubricants and additives that solved real-world problems for truck fleets and working vehicles. What began as a small operation focused on heavy-duty applications has evolved into a company producing approximately 270 formulations distributed in 40 countries. Today, Lucas Oil accounts for nearly all of the oil additives segment's recent growth, making it one of the most dynamic forces in automotive lubrication.</p> <p>The company's founding product, Heavy Duty Oil Stabilizer, exemplifies the brand's problem-solving philosophy. Forrest and Charlotte Lucas developed effective, proprietary formulas that made engines run cooler and cleaner, thereby maximizing reliability for demanding commercial applications. This commitment to practical solutions, rather than merely matching industry standards, continues to define every product bearing the Lucas Oil name.</p> <h3>Built on Racing, Proven on the Road</h3> <p>Cutting-edge research and work in some of the world's most celebrated motorsports communities has professional drivers relying on Lucas engine oils, additives/lubricants for their demanding needs. The brand's deep involvement in NASCAR, NHRA, IndyCar, and off-road racing isn't just marketing—it's a proving ground where products face extreme temperatures, pressures, and contamination. Technologies developed for the track filter down into consumer products, giving everyday drivers access to championship-caliber lubrication.</p> <h3>Comprehensive Product Categories for Every Vehicle Need</h3> <p>Lucas Oil's extensive catalog addresses virtually every fluid and lubrication requirement. Their <a href="/415-lucas-oil-engine-oil-additive-12146">engine oil additives</a> represent the brand's heritage, offering problem-solving formulas that reduce wear, control heat, and extend engine life in applications where standard oils fall short. These additives have earned a loyal following among mechanics, fleet managers, and enthusiasts who demand measurable improvements in engine protection.</p> <p>The company's <a href="/415-lucas-oil-engine-oil-12138">engine oil</a> lineup reflects decades of formulation expertise, with synthetic oils offering a higher quality base oil that can absorb heat better for long-lasting performance. From conventional to full synthetic blends, Lucas offers viscosity grades and performance packages tailored to gasoline, diesel, motorcycle, marine, and racing applications.</p> <p>For critical drivetrain components, Lucas produces specialized <a href="/415-lucas-oil-gear-oil-11394">gear oils</a> engineered to handle extreme pressures in differentials, manual transmissions, and transfer cases. The company manufactures engine oils, greases, gear lubes, as well as problem-solving additives, each formulated for specific operating conditions and equipment types.</p> <p>The brand's <a href="/415-lucas-oil-multi-purpose-grease-16795">multi-purpose grease</a> products deliver on the promise of superior protection, with strong water resistance and anti-rust agents that perform in marine environments, agricultural equipment, and heavy-duty industrial applications. In June 2024, Lucas Oil opened a 25,000-square-foot grease manufacturing expansion to meet growing demand for these specialized products.</p> <p>Understanding that fuel quality directly impacts engine performance, Lucas developed a comprehensive line of <a href="/415-lucas-oil-fuel-additive-12140">fuel additives</a> designed to clean injectors, improve combustion efficiency, and protect fuel systems from the harmful effects of ethanol and low-quality fuels.</p> <h3>Manufacturing Excellence and Family Leadership</h3> <p>Lucas shines as a proud American brand that embodies a unique blend of family leadership, U.S.-based manufacturing, scientifically superior solutions, with all products formulated and produced domestically. In February 2024, Morgan Lucas was named CEO and Katie Lucas was named President, continuing the family's commitment to quality and innovation into the next generation.</p> <p>Whether you're maintaining a daily driver, restoring a classic, or pushing equipment to its limits, Lucas Oil's problem-solving approach delivers tangible benefits: cooler operating temperatures, reduced friction, extended service intervals, and proven protection when it matters most.</p>

Part Number

10654
06/02/2036 6:22 PM
Sale Price

$9.30

In Stock (10+)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Lucas Oil Extreme Duty Marine SAE 20W-50 Engine Oil delivers ultimate protection for high-performance marine engines operating under extreme conditions. This semi-synthetic formulation combines premium paraffinic base oils with an advanced additive package to provide superior engine protection in demanding marine applications.

Advanced Protection Formula:

  • Fortified with high levels of zinc, molybdenum, and phosphorus for maximum wear protection
  • Creates a tougher, thicker protective film between metal surfaces
  • Reduces oil temperatures and extends oil service life
  • Minimizes metal fatigue in high-stress marine environments

Performance Benefits:

  • Improves film strength between cylinder walls and piston rings
  • Reduces oil consumption and slows oil burning
  • Restores and maintains oil pressure in worn engines
  • Excellent cold-temperature flow properties for reliable cold starts
  • Maintains stability at high operating temperatures

Application Versatility:

  • Designed specifically for marine gasoline engines
  • Compatible with methanol and all racing fuels
  • Ideal for high-performance boats and PWC applications

Lucas Marine SAE 20W-50 is engineered to meet the demanding requirements of marine environments where moisture, temperature extremes, and sustained high-RPM operation challenge conventional oils. This formula provides the protection serious boaters need for reliable performance season after season.

Products specifications

Oil Type

Semi-synthetic

Oil Volume

1 qt.

Oil Weight

20W50

Quantity

Sold as a set of 6.

ZDDP Enhanced

Yes

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I searched for a specific tire elsewhere, but other places were either out or the price was much higher than Autoplicity. I ordered from here and received it within a week. It is exactly what I needed and arrived in a timely manner. I will shop here again.

Very good site to buy.

Ok

Great service overall good exidience highly recommended

They had the parts I needed at the best price. I needed some questions answered to make sure I was ordering the right parts for a 4 year old car and they were very helpful when I called.

GOOD PRICE

Autoplicity had fast shipping at a low price compared to other competitors. The price for the item itself was the lowest around so I think I got a good deal or my car. Would buy from again!

What a selection of items for your vehicle. When I called to confirm this company could actually ship an item others couldn't. Parts were available at the right price shipped quickly from one of there many warehouses.(not to mention the professional service from person who answered call) No waiting for this etailer. RECOMMENDED!Buy from tnis company!

Authentic, hard to find item listed for the least expensive price online! Good customer service and fast shipping time!!

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