fits model: Mariner. make: Mercury. year: 1988–2010.

( Manufacturer Part Number: 42959A ), ( Part Type: Oil Pump Motor )
The Mercury-Mariner 42959A oil pump is a crucial component for maintaining the optimal performance of your outboard motor, specifically for Mercury Mariner engines with a power output of 65 to 90 horsepower, manufactured between 1988 and 2010. This high-quality oil pump is designed to ensure a consistent flow of oil to vital engine parts, such as the crankshaft and camshaft, to reduce friction and heat build-up, thereby prolonging the engine's lifespan and ensuring smooth operation.
The Mercury 42959A oil pump features a robust, corrosion-resistant construction, with a sturdy housing made of high-strength materials that can withstand the harsh marine environment. The pump has a precision-machined impeller that provides reliable and efficient oil circulation, ensuring that critical engine components are always adequately lubricated. The pump is also equipped with a pressure relief valve that prevents over-pressurization, protecting the engine from damage.
Installing the Mercury-Mariner 42959A oil pump is a straightforward process, thanks to its user-friendly design. The pump comes with clear installation instructions, and its compact size allows for easy fitting into the engine compartment. Additionally, the pump is easy to maintain and service, with access to essential components for easy replacement or cleaning.
In summary, the Mercury-Mariner 42959A oil pump is an essential component for any Mercury Mariner outboard motor with a power output of 65 to 90 horsepower, manufactured between 1988 and 2010. Its robust construction, reliable performance, and easy installation make it an excellent choice for boat owners who want to ensure their engines run smoothly and efficiently for years to come.
Pros of buying a 1988-2010 42959A oil pump for a Mercury-Mariner outboard motor boat with 65-90hp:1. Reliability: These oil pumps have been in use for over three decades, and if well-maintained, they can provide reliable service.
2. Availability of Spare Parts: Since the Mercury-Mariner is a popular model, replacement parts, including oil pumps, are readily available.
3. Affordability: Compared to buying a new oil pump, a used one can be significantly cheaper.
Cons of buying a 1988-2010 42959A oil pump for a Mercury-Mariner outboard motor boat with 65-90hp:1. Age and Wear and Tear: The age of the oil pump may result in wear and tear, which could lead to potential issues or replacement parts being needed more frequently.
2. Unknown History: Without knowing the history of the oil pump, there may be unknown issues or repairs required.
3. Compatibility: There might be compatibility issues with newer components of the boat or motor, which could require modifications or additional parts.
Conclusion: Buying a used 1988-2010 42959A oil pump for a Mercury-Mariner outboard motor boat with 65-90hp can be a cost-effective solution, but it's important to consider its age, potential wear and tear, and compatibility with other components. If you're willing to invest the time in research and potential repairs, a used oil pump could be a viable option. However, if you prefer the peace of mind that comes with a new part, it may be worth investing in a new oil pump. Ultimately, the decision should depend on your budget, time, and comfort level with potential repairs.
Directly across from Lowe's and 84 lumber.
Please see included pictures. May fit more model's condition: used but in good condition.
Removed from 1992 90hp Mercury Eliot 0d113795.
Fits various 65-90hp Mercury Mariner outboard motors. Part: 42959A 1 oil pump.