MERCURY 27-841234 Exhaust Header Gaskets

( Manufacturer Part Number: 27-841234 ), ( Part Type: Gasket Exhaust Header ), ( Country Of Origin: United States )

Review MERCURY Lot Of Genuine Exhaust Header Gaskets New Oem fits MERCRUISER 500

Mercury 27-841234 Mercruiser Exhaust Header Gaskets are specifically designed to provide a reliable and efficient seal between the exhaust headers and the engine block in Mercury outboard motors. These gaskets are essential for ensuring proper exhaust gas flow and preventing leaks that can negatively impact engine performance.

Each gasket is precision-machined from high-quality, heat-resistant materials that can withstand the extreme temperatures and pressures generated by the engine. The gaskets feature a multi-layered design that provides superior sealing capabilities, preventing exhaust gas from escaping and reducing the risk of engine damage.

The Mercury 27-841234 Mercruiser Exhaust Header Gaskets are easy to install, with a pre-formed shape that conforms to the contours of the exhaust headers and engine block. They come in sets of two, ensuring that you have a gasket for each exhaust header. The gaskets are also backed by Mercury Marine's reputation for quality and durability, giving you peace of mind knowing that you are investing in a product that will perform optimally for years to come.

These gaskets are designed for use with Mercury 500 series outboard motors and are a direct replacement for the original equipment gaskets. By using genuine Mercury Marine gaskets, you can ensure that your outboard motor is operating at its best, providing optimal performance and fuel efficiency.

The Mercury 27-841234 Mercruiser Exhaust Header Gaskets are an essential component of your outboard motor's exhaust system, and regular replacement is recommended to maintain peak performance and prevent potential engine damage. With their high-quality materials, precise fit, and easy installation, these gaskets are an excellent value for boat owners and operators.

Mercury 27-841234 Mercruiser Exhaust Header Gaskets: A Detailed Analysis

The Mercury 27-841234 Mercruiser Exhaust Header Gaskets are essential components for repairing or maintaining MerCruiser engines. These gaskets seal the connection between the engine block and exhaust headers, preventing leakage of exhaust gases and coolant. In this analysis, we will discuss the potential advantages and disadvantages of purchasing these gaskets.

1. High-Quality Material: These gaskets are made from a high-quality material that ensures a proper seal and prevents leaks. They can withstand extreme temperatures and pressures, making them suitable for marine applications.

2. Easy Installation: The gaskets are designed to be easy to install. They come pre-sized to fit most MerCruiser engines, which saves time and effort during installation.

3. OEM (Original Equipment Manufacturer) Part: These gaskets are manufactured by Mercury Marine, the original equipment manufacturer for MerCruiser engines. This ensures that they meet the highest standards and are a perfect fit for your engine.

4. Prevents Damage: A leaking exhaust header gasket can cause significant damage to your engine, including coolant loss and overheating. By replacing the gasket with a new one, you can prevent these issues and save yourself from costly repairs in the future.

1. Cost: The Mercury 27-841234 Mercruiser Exhaust Header Gaskets can be relatively expensive compared to aftermarket alternatives. However, the cost is justified by their high-quality material and OEM status.

2. Availability: These gaskets may not be readily available at local marine parts stores, and you may need to order them online. This could result in a longer wait time for your repair project.

In conclusion, the Mercury 27-841234 Mercruiser Exhaust Header Gaskets offer several advantages, including their high-quality material, easy installation, OEM status, and ability to prevent damage to your engine. While they may be more expensive than some aftermarket alternatives and less readily available, their durability and reliability make them a worthwhile investment for MerCruiser engine owners.

If you own a MerCruiser engine and suspect that your exhaust header gasket is leaking, it is recommended that you replace it with a new OEM gasket, such as the Mercury 27-841234. While the cost may be higher than some aftermarket alternatives, the peace of mind and protection against potential engine damage make it a worthwhile investment. You can order these gaskets online from authorized Mercury Marine dealers or through the Mercury Marine website.

Details:

Lot of 2 Genuine Mercury MerCruiser Exhaust Header Gaskets, Part Number 27-841234, Please verify compatibility with a dealer before purchase.

part #: 27841234 prices

• $20.00-$68.99

specifications otsterndriv:

• for models: 500, Mercruiser
• for makes: Mercury
• mpn: 27-841234
• part type: Gasket Exhaust Header
• country of origin: United States

shipping otsterndriv:

• type: Fixed
• carrier: USPS
• class: Standard, Expedited
• cost: $0.00
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 4-11 Days

payments otsterndriv:

• wallet: Apple-pay
• other
• credit card: Diners-club

offer otsterndriv:

• quantity: 2
• availability: In Stock
• started: January 12, 2026
• sold: 0
• options: Ship-to-home

returns otsterndriv:

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

general otsterndriv:

• Boat Parts > Sterndrive Motors Components > Other
• condition: New

seller otsterndriv:

• rating: 99.7%
• # reviews: 10446
• city: Elizabethton, Tennessee

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