18-9500-1

The Sierra 18-9500-1 TC-W3 Blend Marine Engine Oil is a premium product designed specifically for two-stroke outboard marine engines. This pint-sized container holds a high-quality oil that delivers superior performance and protection for your engine.

The TC-W3 Blend Marine Engine Oil is a pre-diluted, ready-to-use formula that eliminates the need for separate fuel and oil mixes. It is engineered to provide excellent lubrication, resistance to oxidation and corrosion, and outstanding wear protection for your marine engine.

This oil conforms to the latest two-stroke engine specifications, ensuring optimal engine efficiency and longevity. It is also designed to meet the strict emission standards set by various marine regulatory bodies.

The Sierra 18-9500-1 TC-W3 Blend Marine Engine Oil is suitable for use in a wide range of outboard engines, including those from leading manufacturers such as Evinrude, Mercury, Suzuki, and Yamaha. It is recommended for freshwater and saltwater use, making it an ideal choice for boat owners who use their vessels in various water conditions.

This oil is also known for its ease of use. It comes in a convenient, easy-to-handle pint container, making it an excellent choice for boaters who prefer to keep a small supply on board for regular maintenance or emergency situations.

In summary, the Sierra 18-9500-1 TC-W3 Blend Marine Engine Oil is a high-performance, ready-to-use, pre-diluted two-stroke marine engine oil that provides excellent lubrication, resistance to oxidation and corrosion, and outstanding wear protection. It is suitable for use in a wide range of outboard engines and is an ideal choice for boaters who prefer a convenient, easy-to-handle container size.

Sierra 18-9500-1 TC-W3 Blend Marine Engine Oil is a popular choice for marine applications due to its high performance and versatility. Here are some pros and cons of using this oil in your marine engine:

1. Excellent Wear Protection: This oil provides superior wear protection for marine engines, which is crucial for preventing engine damage and ensuring longevity.

2. High Performance: The oil is formulated to provide high performance in a wide range of temperatures and conditions, making it ideal for use in marine environments.

3. Low Sulfated Ash Content: The oil has a low sulfated ash content, which helps prevent engine fouling and ensures optimal engine performance.

4. Compatibility: The oil is compatible with a wide range of marine engines, including two-stroke and four-stroke engines.

5. Meets Industry Standards: The oil meets or exceeds industry standards, including the American Petroleum Institute (API) and the National Marine Manufacturers Association (NMMA).

1. Cost: Compared to some other marine engine oils, Sierra 18-9500-1 TC-W3 Blend Marine Engine Oil can be more expensive.

2. Availability: Depending on your location, it may be more difficult to find this oil in local stores or service stations.

3. Not Suitable for All Engines: Although the oil is compatible with many marine engines, it may not be suitable for all engines. Be sure to check with your engine manufacturer to confirm compatibility.

Sierra 18-9500-1 TC-W3 Blend Marine Engine Oil is a high-performance oil that provides excellent wear protection and compatibility with a wide range of marine engines. While it may be more expensive than some other oils, its superior performance and industry certifications make it a worthwhile investment for marine engine owners. However, be sure to confirm compatibility with your engine manufacturer before use.

If you are in the market for a high-performance marine engine oil and are looking for superior wear protection and compatibility with a wide range of marine engines, Sierra 18-9500-1 TC-W3 Blend Marine Engine Oil is an excellent choice. It meets industry standards, provides excellent performance in a wide range of temperatures and conditions, and helps ensure optimal engine performance and longevity. However, be sure to confirm compatibility with your engine manufacturer before use.

Details:

Excellent performance with lower quality fuels. Formulated to improve performance and extend engine life. Will not void your engine manufacturers warranty. Significantly reduced aquatic toxicity to fish compared other outboard oils on the market today.

Features, high performance lubricant. Ideal for oil injection systems or pre-mix applications. Warranty, defects, damage, and other problems: this item has a limited lifetime warranty covering any manufacturer defects.

Every country is different. Pickup is not available. Describe the nature of problem and its urgency include pictures if possible.: Sierra 18-9500-1 TC-W3 premium blend engine oil.

Every new Sierra part comes with a limited lifetime warranty that covers the useful life of product against any defects in workmanship and materials. Guaranteed and backed by our famous Sierra comprehensive warranty. Reduces ring sticking, deposit formation, and exhaust port blockage allowing for easier starting. Items heading outside the USA cannot be used for military or government applications.

Be sure to enter an accurate reason and for the return. Specifications, bottle size: 1 pint, about Sierra, Sierra provides premium-quality aftermarket replacements for over 6,000 Marine parts, tools, and components. Sierra products are engineered to meet or exceed oem standards, and stand up in harsh Marine environments.

specifications inboardfuel:

• for models: Marine
• brand: Sierra
• mpn: 18-9500-1
• upc: 030999969248
• type: Engine Oil
• country of manufacture: United States
• item weight: 1 Lb
• size: 1 Pint

returns inboardfuel:

• paid by: seller
• time: 60 days
• policy: returns accepted

shipping inboardfuel:

• type: fixed
• service: standard
• class: standard
• transit: 4-7 days

general inboardfuel:

• category: Boat Parts > Inboard Engines Components > Intake Fuel Systems

payments inboardfuel:

• other
• wallet: google-pay
• credit card: diners-club

seller inboardfuel:

• rating: 100.0%
• # reviews: 41858
• city: everett, washington

offer inboardfuel:

• started: january 8, 2026
• sold #: 12
• prices: $9.27–$32.99
• item condition: New
• availability: in stock
• options: ship-to-home

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