fits model: Marine, Mariner. make: Mercury.

( Brand: Sierra ), ( Manufacturer Part Number: 18-7817 ), ( Part Type: Fuel Pump ), ( Custom Bundle: No ), ( Country/region Of Manufacture: Unknown ), ( California Prop 65 Warning: California Proposition 65 Requires Businesses To Provide Warnings To Californians About Significant Exposure To Chemicals That Cause Cancer, Birth Defects ), ( Or Other Reproductive Harm. Add Details About The Warning You Want To Show California Buyers. We Ll Add A Warning Symbol And The Word Warning: Before The Description You Enter Here, And We Ll Add For More Information Go To Www.p65warnings.ca.gov Following Your Description. )
The 21-42990a7 Sierra Marine Mercury Mariner Outboard Fuel Pump Kit, part number 18-7817, is a comprehensive replacement solution for your Mercury Mariner outboard engine's fuel pump system. This kit is specifically designed for 4-stroke Mercury Mariner outboard engines and is an excellent choice for boat owners seeking to maintain the optimal performance of their engines.
The kit includes a high-quality fuel pump, typically made of durable materials such as cast aluminum or brass, which ensures reliable operation and long-lasting performance. The pump features a robust design, with a powerful impeller that ensures consistent fuel delivery to the engine, preventing potential engine stalls and ensuring smooth operation.
The kit also includes all necessary mounting hardware, such as bolts, screws, and washers, to ensure a secure and proper installation. This makes the installation process straightforward, even for DIY enthusiasts. The kit also often includes a detailed installation guide, which provides clear and step-by-step instructions, making the replacement process as simple as possible.
The Sierra Marine Mercury Mariner Outboard Fuel Pump Kit is a cost-effective solution for outboard engine owners, as it eliminates the need to purchase individual components separately. It's also a smart investment, as a faulty fuel pump can lead to costly engine repairs or even engine damage, making a reliable replacement a necessary investment for boat owners.
In conclusion, the 21-42990a7 Sierra Marine Mercury Mariner Outboard Fuel Pump Kit, part number 18-7817, is an essential tool for maintaining the performance and longevity of your Mercury Mariner outboard engine. Its durable construction, powerful impeller, and comprehensive installation kit make it an excellent choice for boat owners seeking a reliable and cost-effective solution to their fuel pump needs.
Pros of buying a 21-42990A7 Sierra Marine Mercury Mariner Outboard Fuel Pump Kit (18-7817):1. Compatibility: This kit is specifically designed for Mercury Mariner outboard engines, ensuring a perfect fit and reliable operation.
2. High-quality components: The kit includes a high-flow, corrosion-resistant fuel pump and all necessary hardware, ensuring long-lasting performance.
3. Easy installation: The kit includes clear installation instructions, making it easy for DIYers to install the pump without the need for professional help.
4. Improved engine performance: A reliable fuel pump ensures consistent fuel flow to the engine, improving overall performance and reducing the risk of engine stalls or misfires.
Cons of buying a 21-42990A7 Sierra Marine Mercury Mariner Outboard Fuel Pump Kit (18-7817):1. Cost: While the kit is a cost-effective solution compared to replacing the entire fuel pump assembly, the upfront cost may be a deterrent for some.
2. Limited compatibility: The kit is only compatible with Mercury Mariner outboard engines, so it may not be suitable for other outboard engine brands.
3. Potential for additional parts needed: While the kit includes all necessary hardware, there may be additional parts needed for a complete installation, such as fuel lines or filters, which may require an additional purchase.
Conclusion:The 21-42990A7 Sierra Marine Mercury Mariner Outboard Fuel Pump Kit (18-7817) is a reliable and cost-effective solution for replacing a faulty fuel pump in Mercury Mariner outboard engines. The high-quality components and easy installation make it a great option for DIYers looking to save money on professional labor. However, the limited compatibility and potential need for additional parts should be considered before making a purchase.
Recommendation:If you own a Mercury Mariner outboard engine and are experiencing fuel pump issues, the 21-42990A7 Sierra Marine Mercury Mariner Outboard Fuel Pump Kit (18-7817) is a great option to consider. With clear installation instructions and high-quality components, it can help improve engine performance and save you money on professional labor. Just be sure to consider the potential need for additional parts and the limited compatibility before making a purchase.
Sierra Marine Mercury Mariner outboard fuel pump kit replaces 21-42990A7 a8 a9 a1021-857005a1.