MERCURY 719-7391A3 Piston Rings Wrist Pin

( Part Type: Ring Piston Pin ), ( Manufacturer Part Number: 719-7391A3 ), ( Disclaimer: All Parts Come As Pictured. ), ( Country Of Origin: United States )

Review MERCURY Genuine Piston Assembly Includes Rings And Wrist Pin

Mercury 719-7391A3 Piston Rings with Wrist Pins

The Mercury 719-7391A3 piston rings and wrist pins are a crucial component of your outboard engine's combustion process. These piston rings, specifically designed for Mercury outboard engines, are engineered to provide optimal sealing, durability, and performance.

The piston rings in this set include both compression rings and oil control rings. The compression rings, located towards the top of the piston, are responsible for creating a seal between the piston and the engine cylinder during the power stroke. They ensure that the combusted fuel-air mixture is contained within the cylinder, allowing the piston to effectively transfer power to the crankshaft.

The oil control rings, located near the bottom of the piston, are responsible for maintaining correct engine oil pressure and preventing oil from leaking into the combustion chamber. These rings create a seal between the piston and the cylinder, allowing engine oil to lubricate the piston and cylinder walls while keeping the combustion process separate from the engine lubrication system.

The wrist pins included in this set are the connecting points between the piston and the connecting rod. They are designed to allow the piston to move up and down freely within the cylinder while maintaining a secure connection to the engine's power train. The wrist pins are made of high-strength materials, ensuring they can withstand the intense pressure and heat generated by the engine.

The Mercury 719-7391A3 piston rings and wrist pins are precision-manufactured to meet the exacting standards of Mercury outboard engines. They are engineered to provide a perfect fit, ensuring a smooth and efficient operation. These components are designed to last, ensuring that your engine continues to perform at its best, even under heavy use.

In summary, the Mercury 719-7391A3 piston rings and wrist pins are essential components of your outboard engine's power train. They are designed to provide optimal sealing, durability, and performance, ensuring your engine continues to run efficiently and effectively.

Buying Mercury 719-7391a3 piston rings with wrist pins involves considering several pros and cons to help make an informed decision. Here's a breakdown of each:

1. OEM Part: These piston rings are original equipment manufacturer (OEM) parts, meaning they are designed, manufactured, and approved by Mercury for use in their engines.

2. High-Quality Material: The piston rings are made from high-quality materials that provide excellent sealing and durability, ensuring optimal engine performance.

3. Proper Fit: Since these are OEM parts, they are designed to fit precisely in your Mercury engine, reducing the likelihood of installation issues.

4. Improved Engine Performance: Properly functioning piston rings help improve engine performance by sealing the combustion chamber effectively and reducing the amount of engine blow-by gases.

5. Reduced Engine Wear: Properly functioning piston rings also help reduce engine wear by preventing oil from leaking into the combustion chamber and preventing fuel from leaking into the crankcase.

1. Cost: Mercury OEM piston rings with wrist pins can be more expensive compared to aftermarket alternatives, which may deter some buyers.

2. Availability: In some cases, it may be challenging to find these piston rings at local auto parts stores, making it necessary to order them online.

3. Installation Complexity: Installing piston rings can be a complex process, requiring specialized tools and engine disassembly, increasing the overall cost and time investment.

When deciding to buy Mercury 719-7391a3 piston rings with wrist pins, it's essential to weigh the pros and cons carefully. The high-quality materials, proper fit, improved engine performance, and reduced engine wear are significant advantages, but the cost and installation complexity may be deterrents for some buyers. Ultimately, if you prioritize using OEM parts to maintain your Mercury engine's optimal performance, these piston rings are an excellent investment.

Details:

part #: 7197391a3 prices

• $73.60-$87.50

specifications vesselveep:

• for makes: Mercury
• part type: Ring Piston Pin
• manufacturer part number: 719-7391A3
• disclaimer: All Parts Come As Pictured.
• country of origin: United States

shipping vesselveep:

• transit: 3-9 Days
• cost: $5.15
• carrier: USPS
• type: Calculated
• class: Standard
• service: USPS Ground Advantage

seller vesselveep:

• # reviews: 1146
• rating: 100.0%
• city: Versailles, Indiana

general vesselveep:

• Parts Accessories > Boat Parts > Other
• condition: New

returns vesselveep:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer vesselveep:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• started: January 14, 2026

payments vesselveep:

• credit card: Visa
• other
• wallet: Apple-pay

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