
FP-321-L-24-15 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $294.97 | Condition is Used, Reverso FP-321-L-24-15 Fuel Engine Primer 3-4GPM 24v for Marine, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1068.75 | Top Pick! Condition is New other (see details), Reverso FP-321-L-24-15 Fuel Engine Primer 3-4GPM 24v for Marine, FREE SHIPPING | ![]() |

The Reverso FP-321-L-24-15 fuel engine from Marathon Electric is a versatile and efficient solution for marine applications requiring a fuel-powered, 3-4 gallons per minute (GPM) water pump. This powerful pump operates on a 24-volt DC system and is designed to meet the demands of various marine applications.
The Reverso FP-321-L-24-15 is a reversible water pump, allowing the user to easily switch between suction and discharge modes. This feature comes in handy when filling water tanks or when the water level needs to be adjusted in the bilge. The pump's heavy-duty, marine-grade construction ensures durability and resistance to the harsh marine environment.
Powered by a reliable 1.5 horsepower, 3-phase fuel engine, this pump delivers consistent performance and reliability. The engine features a fuel-efficient design, minimizing fuel consumption and reducing overall operating costs. The pump's automatic priming system ensures proper suction and eliminates the need for manual priming, further enhancing the user experience.
The Reverso FP-321-L-24-15 is designed to meet the needs of marine applications, with a robust, corrosion-resistant impeller and a high-quality, Viton mechanical seal. These components provide exceptional durability and longevity, even in the presence of saltwater and other corrosive substances. The pump's housing is made of reinforced, fiberglass-reinforced polypropylene (FRPP), ensuring resistance to the harsh marine environment.
This pump comes equipped with a built-in, easy-to-read pressure switch, allowing the user to set the desired pump output pressure. This feature not only ensures optimal performance but also helps conserve energy by preventing the pump from running unnecessarily. Additionally, the pump includes a thermal relief valve, which protects the engine from overheating and prolongs its life.
The Reverso FP-321-L-24-15 is designed for easy installation and maintenance. It comes with a pre-wired electrical harness and a fuel connection kit, simplifying the installation process. The pump's large, easy-access strainer ensures quick and hassle-free maintenance.
In summary, the Reverso FP-321-L-24-15 fuel engine water pump from Marathon Electric is a powerful, efficient, and reliable solution for marine applications requiring a 3-4 GPM, 24-volt DC water pump. With its reversible design, heavy-duty construction, fuel-efficient engine, and easy-to-use features, this pump is an excellent investment for any marine application.
Reverso FP-321-L-24-15 Fuel Engine: Pros, Cons, and Conclusion
The Reverso FP-321-L-24-15 is a 24V, 3-4 GPM (gallons per minute) fuel engine designed for marine applications. Let's discuss the advantages and disadvantages of this engine to help you make an informed decision.
Pros:1. High Flow Rate: With a flow rate of 3-4 GPM, the Reverso FP-321-L-24-15 is capable of delivering a substantial amount of water per minute, making it suitable for larger boats or applications requiring more water volume.
2. Compact Design: Despite its high flow rate, the Reverso engine has a compact design, allowing for easier installation and integration into smaller marine vessels.
3. Reversible Operation: The engine's reversible design enables users to change the direction of water flow with the flick of a switch, which can be particularly useful in boats or applications where water access from both sides is necessary.
4. Fuel Efficiency: The engine's fuel efficiency makes it an attractive option for those seeking to minimize their fuel consumption and reduce operating costs.
5. Easy Maintenance: The Reverso engine features a simple design with few moving parts, making it relatively easy to maintain and repair.
Cons:1. Price: The Reverso FP-321-L-24-15 is more expensive compared to other engines in its class. This higher price point may deter some buyers.
2. Noise Level: The engine produces a notable amount of noise during operation, which could be a concern for those seeking a quieter marine experience.
3. Limited Availability: The Reverso engine may not be as widely available as other marine water pumps, making it more challenging to find replacement parts or service if needed.
Conclusion:The Reverso FP-321-L-24-15 fuel engine offers a compelling combination of high flow rate, reversible operation, and fuel efficiency. However, its higher price point, noise level, and limited availability are factors that potential buyers should consider before making a purchase.
If the advantages outweigh the disadvantages for your specific application and budget, the Reverso FP-321-L-24-15 could be an excellent investment for your marine needs. Conversely, if these cons are deal-breakers, alternative options with similar flow rates and reversible operation may be worth exploring.
Disclaimer: This information is based on available product specifications and user reviews. Always consult the manufacturer or a trusted marine professional for accurate and up-to-date information.
Details:
Please look at all of the pictures before purchasing an order. Reverso FP-321-L-24-15 fuel engine primer 3-4gpm 24v for Marine new with some marks. No other parts, hardware, packaging or accessories included. Location: cx28 0425 Cm 5202, I try to match current cheaper price I don't match past prices.
specifications inboardfuel:
- for models: Marine
- brand: Reverso
- mpn: Fp-321-l-24-15
- part type: Fuel 24v Engine
payments inboardfuel:
- wallet: paypal
- credit card: mastercard
- other
offer inboardfuel:
- sold #: 27
- in stock #: 2
- availability: in stock
- prices: $294.97–$1068.75
- item condition:
- Used
- New other (see details)
- options: ship-to-home
- started: april 9, 2025
seller inboardfuel:
- rating: 98.6%
- # reviews: 26864
- city: athens, georgia
returns inboardfuel:
- paid by: seller
- policy: returns accepted
- time: 30 days
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
shipping inboardfuel:
- transit: 3-8 days
- type: fixed
- class: economy, expedited, one-day
- carrier: usps, ups
- service: economy, usps priority mail, ups next day air saver
Similar Items:
- FP-301-12-LR: FUEL, Reverso
- FP-30124-SL22: FUEL 24V PUMP, Reverso Pump
- 33-2300-02-1-2-1: 24V OIL PUMP GENERATOR, Reverso
- GP301: 24V OIL PUMP GEAR, Reverso


