
729571-51300 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $874.95 | Condition is Used, YANMAR 4JH-2TE MARINE FUEL INJECTION PUMP #729571-51300 LOW HOURS, shipping cost = $18.95 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1200.00 | Condition is New other (see details), Yanmar Mechanical Fuel Injection Pump, shipping cost = $36.73 | 100.0% |

The Yanmar 729571-51300 mechanical fuel injection pump is a high-performance component designed for marine applications. This pump is specifically engineered to deliver an optimal fuel supply to Yanmar marine diesel engines, ensuring smooth and efficient operation.
The Yanmar 729571-51300 fuel injection pump features a robust mechanical design, which is known for its reliability and durability. The pump's construction includes a cast iron housing, which provides excellent protection against corrosion and wear. Additionally, the pump utilizes high-quality, wear-resistant materials, such as hardened steel components, in critical areas to extend its service life.
The fuel injection pump's mechanical design allows for precise fuel metering and injection timing. It employs a cam-operated system, which utilizes a camshaft to control the fuel injection process. This design ensures consistent fuel delivery, even under varying engine loads and operating conditions.
The Yanmar 729571-51300 fuel injection pump is compatible with various fuel types, including diesel and bio-diesel. It is designed to operate efficiently with a wide range of fuel qualities, making it a versatile solution for marine applications.
The pump's installation is straightforward, and it comes with all necessary hardware for a seamless integration into the engine system. The fuel pump also features a built-in pressure relief valve, which ensures safe operation by preventing excessive fuel pressure.
In summary, the Yanmar 729571-51300 mechanical fuel injection pump is a reliable and robust component designed to provide optimal fuel supply to marine diesel engines. Its precision fuel metering, mechanical design, and compatibility with various fuel types make it an excellent choice for marine applications, ensuring smooth and efficient engine performance.
Buying a Yanmar 729571-51300 mechanical fuel injection pump involves considering its potential advantages and disadvantages for your specific application. Here's a detailed analysis:
Advantages:1. Durability: Mechanical fuel injection pumps, like the Yanmar 729571-51300, are known for their robustness and longevity. They contain fewer moving parts than their electronic counterparts, reducing the likelihood of failures due to wear and tear.
2. Simplicity: Mechanical fuel injection pumps are easier to diagnose and repair compared to electronic pumps. Their straightforward design makes troubleshooting a more straightforward process, which can save time and money in the long run.
3. Cost-effective: The Yanmar 729571-51300 mechanical fuel injection pump is generally more affordable than its electronic counterpart. This can be a significant advantage for budget-conscious buyers or those operating on a tight budget.
Disadvantages:1. Less fuel efficient: Mechanical fuel injection pumps may not be as fuel-efficient as their electronic counterparts. This can lead to increased fuel consumption and higher operating costs over time.
2. Limited control: Mechanical fuel injection pumps offer less control over fuel delivery compared to electronic pumps. This can make it more difficult to optimize engine performance or meet emissions regulations.
3. Less responsive: Mechanical fuel injection pumps may not be as responsive as electronic pumps. This can result in slower engine response and less precise fuel delivery, which may be a concern for some applications.
Conclusion:The Yanmar 729571-51300 mechanical fuel injection pump offers several advantages, including durability, simplicity, and cost-effectiveness. However, it also comes with some disadvantages, such as less fuel efficiency, limited control, and less responsiveness. Ultimately, the decision to buy this pump depends on your specific application requirements, budget, and operational preferences.
Recommendation:If you operate in a harsh environment or require a dependable and cost-effective solution, the Yanmar 729571-51300 mechanical fuel injection pump could be an excellent choice. However, if fuel efficiency, precise control, or quick response is a priority, you may want to consider an electronic fuel injection pump instead.
Details:
Installing without verifying will lead to issues. Will come with gear not pictured. Has been kept in a sealed bag for 3 years.
specifications inboardfuel:
- brand: Yanmar
- mpn: 729571-51300
- part type: Fuel Pump
- country/region of manufacture: Japan
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
payments inboardfuel:
- wallet: paypal
- other
- credit card: mastercard
shipping inboardfuel:
- type: calculated
- transit: 3-9 days
- carrier: usps
- service: usps ground advantage
- class: standard
seller inboardfuel:
- city: loxley, alabama
- rating: 0.0%
- # reviews: 10
returns inboardfuel:
- policy: no returns
offer inboardfuel:
- prices: $874.95–$1200.00
- item condition:
- Used
- New other (see details)
- sold #: 21
- availability: in stock
- options: ship-to-home
- best offers: true
- started: august 5, 2025
- in stock #: 2
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