100-49-04SK MERCURY Piston Stbd Kit 2500 Sea-doo Mariner

Review MERCURY Piston Kit Sea-doo Stbd 3.511 Inch for SEA-DOO MARINER 2500 2001–2018

Introducing the Mercury 100-49-04SK Piston Kit, specifically designed for Mariner and Sea-Doo outboard engines with model numbers 110-175, 2500, and serial numbers from 01-18 for the starboard side with a 3.511:1 gear ratio. This piston kit is an essential upgrade for your engine, ensuring optimal performance and longevity.

The Mercury 100-49-04SK Piston Kit includes four high-quality pistons, each precision-engineered to deliver superior strength and durability. The pistons are crafted from a forged aluminum alloy that offers exceptional heat resistance, ensuring consistent power output and reliable operation even under heavy loads.

Each piston features a state-of-the-art SK coating that reduces friction and wear, resulting in smoother engine operation and improved fuel efficiency. This advanced coating also provides excellent protection against corrosion and detonation, ensuring your engine stays in top condition for years to come.

The pistons are also designed to work seamlessly with your engine's connecting rods and crankshaft, ensuring a perfect fit and easy installation. The piston kit comes with all necessary hardware, making it a complete solution for upgrading your engine's pistons.

By upgrading to the Mercury 100-49-04SK Piston Kit, you'll experience improved engine performance, enhanced durability, and increased peace of mind on the water. Whether you're cruising at leisurely speeds or pushing your outboard to the limit, this piston kit is the ideal choice for maximizing the potential of your Mariner or Sea-Doo engine.

So, if you're looking to enhance your engine's performance, increase its longevity, and ensure reliable operation, the Mercury 100-49-04SK Piston Kit is the perfect solution for you. Upgrade now and get ready to take your boating adventures to the next level.

Mercury 100-49-04SK Piston Kit for Mariner Outboard Motors: A Comprehensive Analysis

The Mercury 100-49-04SK piston kit is designed for use with Mariner outboard motors in the 110-175 hp range, with a 2500 series engine and a 3.511 stroke length. In this analysis, we will discuss the key features, advantages, and potential drawbacks of this piston kit.

1. High-performance pistons: The Mercury 100-49-04SK piston kit includes high-quality pistons designed to increase engine performance and durability.

2. Precision-machined components: The pistons and other components are machined to tight tolerances, ensuring proper fit and function.

3. Compatibility: This kit is specifically designed for use with the Mariner outboard motors in the specified range and engine series.

1. Improved engine performance: The high-performance pistons can help increase horsepower and torque, making your engine more responsive and efficient.

2. Enhanced durability: The pistons and other components in this kit are designed to last longer than OEM parts, reducing the need for frequent replacements.

3. Cost-effective: While the upfront cost of this piston kit may be higher than OEM parts, the increased durability and performance could save you money in the long run.

1. Higher upfront cost: The Mercury 100-49-04SK piston kit is more expensive than OEM parts. However, the potential performance gains and increased durability may make it a worthwhile investment for some.

2. Installation complexity: Installing aftermarket pistons can be more complex than swapping out OEM parts, requiring specialized tools and knowledge.

The Mercury 100-49-04SK piston kit offers several advantages for Mariner outboard motor owners, including improved engine performance, enhanced durability, and potential cost savings over time. However, the higher upfront cost and installation complexity are important considerations. Ultimately, the decision to purchase this piston kit depends on your individual needs, budget, and technical expertise.

If you are looking to maximize the performance and longevity of your Mariner outboard motor, and you have the necessary skills and resources for installation, the Mercury 100-49-04SK piston kit is a worthwhile investment. However, if you are on a tight budget or prefer the simplicity of OEM parts, you may want to consider other options. Always ensure that you follow the manufacturer's instructions carefully when installing aftermarket parts to avoid potential issues.

Details:

Untitled document, 1 x piston kit for Mercury Mariner 110 - 210 / Sea-doo 25 starboard side. The listing is for 1 new piston kit Mercury marine SEATO watercraft. Piston size 3.511, is over sized: 0.010 / 0.25mm original bore:3.501 need a different size.

specifications watercraftimp:

• for models: 2500, Mariner
• for makes: Sea-doo
• for years: 2001–2018
• brand: Mercury
• mpn: 100-49-04sk
• part type: Piston
• piston size: 3.511
• country of origin: Taiwan
• location: Starboard Side

shipping watercraftimp:

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

offer watercraftimp:

• best offers: true
• options: ship-to-home
• sold #: 13
• price: $121.77
• item condition: New
• in stock #: 1
• availability: in stock
• started: february 21, 2026

seller watercraftimp:

• city: seymour, wisconsin
• rating: 99.8%
• # reviews: 13019

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

payments watercraftimp:

• credit card: visa
• other
• wallet: apple-pay

returns watercraftimp:

• paid by: seller
• policy: returns accepted
• time: 30 days