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Item #:
41872574
5.7 Fuel Pump for Mercruiser Replace 18-7283 Omc 8M0058164 861678A1 97401A2 97401A8 M60600 9-35423 4.3 Mechanical Fuel Pump Marine 305 Mercury
Item #:
41872574
GBP 47
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Imported from USA store
Order now and get it around Sunday, August 02
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What Stands Out
High Compatibility
Designed specifically for Mechanical Mercury MerCruiser V8 engines, this fuel pump ensures seamless compatibility with models 454, 502, and 8.2, allowing for an easy replacement process.
Durable Construction
Built with high-quality materials, this sea water fuel pump is engineered to withstand harsh marine environments, providing reliable performance and longevity for your boating adventures.
Efficient Performance
The pump optimizes fuel delivery to the engine, enhancing overall performance and efficiency. This reliable component helps maintain your engine’s power and operability in various sea conditions.
Product Details
| Brand | YRANZO |
| Fit Type | Universal Fit |
| Vehicle Service Type | Boat |
| Material | Aluminum |
| Item Weight | 0.73 Kilograms |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Boat Owners
Ideal for owners of Mercury MerCruiser V8 boats needing reliable sea water fuel pumps for optimal performance.
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Marine Technicians
Perfect for marine technicians who require a dependable pump for servicing or upgrading big block engines.
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DIY Enthusiasts
Great for DIY enthusiasts looking to replace their fuel pump without professional help, ensuring cost-effectiveness.
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Non-Marine Vehicles
Not suitable for use in vehicles not designed for marine applications, as performance may be compromised.
Product Description
5.7 Fuel Pump for Mercruiser Replace 18-7283 Omc 8M0058164 861678A1 97401A2 97401A8 M60600 9-35423 4.3 Mechanical Fuel Pump Marine 305 Mercury Mercruiser 4.3 5.7 305 350 198HP 230HP 260HP
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the function of the 861677t Sea Water Fuel Pump?
Answer: The 861677t Sea Water Fuel Pump is designed to pump seawater through the cooling system of marine engines, particularly for the Mercury MerCruiser V8 454, 7.4, 502, and 8.2 Big Block models. This vital component helps maintain the engine temperature by circulating seawater, preventing overheating during operation. A failing pump can lead to engine damage, making it essential to regularly check and replace as needed. -
Question:
How do I know if my fuel pump needs replacement?
Answer: Signs that your 861677t Sea Water Fuel Pump may need replacement include unusual noises from the pump, decreased engine performance, or overheating of the engine. Additionally, if you notice leaks in the pump area or if the water flow is insufficient during operation, these are indicators of a failing pump. Regular inspections can prevent larger issues down the line, ensuring your marine engine runs smoothly. -
Question:
Is the 861677t Sea Water Fuel Pump compatible with other engine models?
Answer: The 861677t Sea Water Fuel Pump is specifically designed for Mercury MerCruiser V8 models, including the 454, 7.4, 502, and 8.2 Big Blocks. While it may share similarities with pumps for other brands or models, using this part ensures optimal compatibility and performance. Always check manufacturer specifications or consult a professional before using parts not explicitly designed for your engine type. -
Question:
What are the benefits of using the 861677t Sea Water Fuel Pump?
Answer: The primary benefits of the 861677t Sea Water Fuel Pump include reliable engine cooling, enhanced performance, and durability in harsh marine conditions. This pump efficiently circulates seawater, which is crucial for preventing engine overheating and ensuring longevity. Effective cooling not only protects your engine but also contributes to better fuel efficiency and overall performance during boating activities. -
Question:
How can I install the 861677t Sea Water Fuel Pump?
Answer: Installing the 861677t Sea Water Fuel Pump requires basic mechanical knowledge. Begin by disconnecting the battery and removing the old pump. Follow the manufacturer's instructions to install the new pump, ensuring it is securely mounted and connected to the cooling system. Utilize appropriate seals or gaskets to prevent leaks. If you lack experience, consider consulting a marine technician for proper installation. -
Question:
Can I use aftermarket parts instead of the original 861677t pump?
Answer: While aftermarket parts may be available for the 861677t Sea Water Fuel Pump, it's essential to choose reputable brands that ensure compatibility and performance. Using OEM (original equipment manufacturer) parts like the 861677t typically guarantees optimal performance and longevity. If considering an aftermarket option, verify that it meets or exceeds the specifications of the original to avoid compromising your engine's performance. -
Question:
What should I do if my fuel pump fails on the water?
Answer: If your 861677t Sea Water Fuel Pump fails while on the water, immediately reduce engine load and check for any visible issues. If the engine overheats or sounds unusual, shut down the engine to prevent damage. Signal for assistance or return to shore if safely possible. Evaluating and replacing the pump promptly after the incident will be essential for the reliability of your marine engine. -
Question:
What maintenance does the 861677t Sea Water Fuel Pump require?
Answer: To ensure optimal performance of the 861677t Sea Water Fuel Pump, regular maintenance is crucial. Inspect the pump for corrosion and leaks, ensuring all connections are secure. Flush the cooling system annually to remove debris and salt buildup that can affect pump efficiency. Following maintenance schedules recommended for your specific engine model will help extend the lifespan of the pump. -
Question:
Where can I buy the 861677t Sea Water Fuel Pump in Guernsey?
Answer: You can purchase the 861677t Sea Water Fuel Pump for Mechanical Mercury MerCruiser V8 engines from Ubuy, a reliable online platform that provides a wide selection of marine parts. Ubuy guarantees a convenient shopping experience and often stocks various replacement parts, ensuring that you have access to what you need for maintaining your marine equipment.
YRANZO Electric Fuel Pumps Editorial Review
**** The 861677t Sea Water Fuel Pump for Mechanical Mercury MerCruiser engines has garnered a mixed bag of customer experiences, highlighting both efficient performance and significant concerns over reliability. Many users have reported that the pump operates effectively and fits perfectly with their systems. For instance, one reviewer noted that the pump works as described and continues to perform well after a year of use. Another user emphasized its quick pumping capability and good pressure—praising its overall functionality. However, the product has also faced harsh criticism. Some customers reported immediate failures after minimal use, with one boater experiencing a complete pump failure only 10 hours into operation, nearly leaving them stranded in rough waters. Such experiences raise serious concerns about the product's dependability, especially in critical situations like navigating busy harbors or open waters, where equipment failure can lead to dangerous Consequences. Additionally, there are warnings from users about missing components, such as the return spring, which could render the pump inoperable if not installed properly. This inConsistency adds to the confusion and potential risks associated with purchasing this product. Consequently, while the fuel pump may work well for some, the incidence of failures and the lack of critical parts in certain units cannot be overlooked. Potential buyers should weigh these risks and Consider their specific needs before making a decision. **
Customer Reviews & Ratings
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Pros
- Functions well for some users, providing reliable performance.
- Easy installation and fitting with certain MerCruiser models.
- Comes with extra mounting gaskets for convenience.
- Positive feedback regarding quick pumping and pressure maintenance.
Cons
- Reports of failures after short usage periods, raising concerns about reliability.
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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GBP 47
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Features & Benefits
- Compatible with Mercury MerCruiser V8 454, 7.4, 502, and 8.2 Big Block engines.
- Part numbers: 18-8860, 818383t, 861677t.
- Includes one mechanical fuel pump and three gaskets.
- Easy installation: Outlet at 6 o'clock, Inlet at 9 o'clock.
- High-quality replacement to ensure optimal engine performance.
- Customer satisfaction guaranteed with support for any issues.
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