505-35 WSM Head Cover Gasket 125 Mercury Mariner

Review WSM Head Cover Gasket For Mercury 80 100 115 Hp Cyl for MERCURY MARINER 125 1994–2005

Introducing the WSM 505-35 Head Cover Gasket, specifically designed for Mercury Mariner engines with an output of 80, 115, or 125 horsepower and manufactured between the years 1994 and 2005. This gasket is an essential component of your engine's cooling system, ensuring a proper seal between the cylinder head and the engine block.

Crafted from premium materials, this gasket is engineered for excellent sealing performance and durability. Its multi-layered design provides enhanced compression and ensures effective prevention of coolant leaks, allowing your engine to operate at peak efficiency.

The WSM 505-35 Head Cover Gasket boasts a precise fit and finish, ensuring easy installation and a secure seal. The gasket's contoured shape closely conforms to the engine components, minimizing the risk of air pockets and reducing the potential for leaks.

Designed with the latest technology, this gasket offers improved resistance to thermal stress and wear, extending the life of your engine and reducing the need for frequent replacements. Its high-temperature properties enable it to withstand the extreme heat generated by your engine, ensuring optimal cooling and protecting your engine from damage.

The WSM 505-35 Head Cover Gasket is a reliable and cost-effective solution for maintaining the performance and longevity of your Mercury Mariner engine. With its superior sealing abilities and durable construction, you can trust that this gasket will help keep your engine running strong for thousands of miles to come.

When it comes time for replacement, the WSM 505-35 Head Cover Gasket is the top choice for Mercury Mariner owners seeking a high-quality, reliable, and effective solution. Installation is straightforward, and the gasket's precise fit and finish make it easy to align and seal properly. Trust this gasket to provide the sealing performance and durability you need to keep your engine running at its best.

WSM 505-35 Head Cover Gasket for Mercury Mariner (94-05): A Detailed Analysis

The WSM 505-35 head cover gasket is a critical component for the Mercury Mariner engines with a displacement of 80, 115, or 125 horsepower, manufactured between 1994 and 2005. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this gasket to help you make an informed decision.

1. OEM Compatibility: The WSM 505-35 gasket is an Original Equipment Manufacturer (OEM) replacement part, ensuring a perfect fit and proper sealing of the engine's head cover.

2. Improved Performance: A leaking head gasket can cause loss of engine power and efficiency. Replacing the gasket with a new one can help restore the engine's performance and fuel economy.

3. Preventing Damage: A worn-out or damaged gasket can lead to severe engine damage, including piston and cylinderhead damage. Replacing the gasket can prevent these issues and save you from expensive repairs in the future.

4. Reliability: OEM gaskets are known for their durability and reliability, providing a long-lasting solution for your Mercury Mariner engine.

1. Cost: OEM gaskets, like the WSM 505-35, can be more expensive compared to aftermarket alternatives. However, the long-term benefits and reliability may outweigh the initial cost.

2. Availability: Depending on the location and availability, it might take some time to source and receive the OEM gasket.

3. Installation Complexity: Installing the head cover gasket can be a complex process, requiring specialized tools and technical expertise.

The WSM 505-35 head cover gasket is an essential replacement part for the Mercury Mariner engines (80, 115, 125 hp) manufactured between 1994 and 2005. Although it comes with a higher price tag compared to aftermarket alternatives, its OEM compatibility, improved performance, reliability, and prevention of potential engine damage make it a worthwhile investment.

If you are experiencing head cover gasket issues with your Mercury Mariner, consider investing in the WSM 505-35 OEM head cover gasket. It may require some patience and financial commitment, but the long-term benefits and peace of mind are valuable. Additionally, consider consulting a professional mechanic to ensure a successful installation.

Details:

Fitment: fits 1994 2005 Mercury and Mariner 4-cylinder 100 hp, 115 125 hp outboard engines.: brand: PC engine / Wsm. Part number: 505-35. Unopened, bought and did not use.

Component type: high-quality replacement water jacket cover gasket designed for reliable marine performance. Condition: new in original sealed packaging. Replaces oem part #: 27-443284, 27-443283, 27-443281.

specifications watercraftimp:

• for models: 125, Mariner
• for makes: Mercury
• for years: 1994–2005
• brand: Wsm
• mpn: 505-35
• part type: Cover Gasket Hp Head
• image note: Image Is For Reference Only, Actual Product May Vary Slightly.
• ships from: Usa
• warranty: 30 Day
• oem or performance: Performance/aftermarket
• vendor: Lionparts Powersports
• upc: 865369040193
• handling time: Approximately 2 Business Days

returns watercraftimp:

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

shipping watercraftimp:

• transit: 5-11 days
• carrier: usps
• service: usps ground advantage
• type: calculated
• class: standard

seller watercraftimp:

• rating: 100.0%
• # reviews: 6
• city: stuart, florida

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

payments watercraftimp:

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

offer watercraftimp:

• best offers: true
• started: february 16, 2026
• prices: $15.03–$23.00
• item condition: New
• sold #: 8
• options: ship-to-home
• availability: in stock
• in stock #: 5