JLM MARINE 3974456 Engine Water Pump Impeller

( Brand: Jlm Marine ), ( Manufacturer Part Number: 3974456 ), ( Type: Engine Cooling Water Pump Impeller )

Review JLM MARINE Engine Water Pump Impeller fits CUMMINS

The JLM Marine 3974456 Cummins Engine Water Pump Impeller is a crucial component in maintaining the cooling system of your Cummins marine engine. Designed specifically for Cummins marine engines, this impeller is engineered to provide optimal cooling efficiency and reliability.

The impeller is manufactured using high-quality, reinforced polypropylene material. This material offers excellent resistance to corrosion and wear, ensuring a long service life even in the harshest marine environments. Its unique design provides a large surface area for enhanced heat dissipation, allowing the engine to operate at optimal temperatures.

The impeller features a robust, open design that facilitates the free flow of water through the cooling system. Its six-blade configuration is specifically engineered to provide balanced flow, reducing the risk of cavitation and ensuring consistent cooling performance. The impeller's diameter measures 10.5 inches, making it a suitable replacement for various Cummins marine engines.

The JLM Marine 3974456 Cummins Engine Water Pump Impeller is an easy-to-install component. It comes complete with all necessary hardware, including the impeller gasket, making installation a straightforward process. Its precise tolerances ensure a perfect fit with minimal machining required.

The impeller is backed by JLM Marine's commitment to quality and customer satisfaction. This product is designed to meet or exceed OEM specifications, ensuring reliable and long-lasting performance. With its superior construction and engineering, the JLM Marine 3974456 Cummins Engine Water Pump Impeller is the ideal choice for boat owners seeking to keep their marine engines running at peak performance.

title: Pros and Cons of Buying JLM Marine Cummins Engine Water Pump Impeller

The JLM Marine Cummins Engine Water Pump Impeller is a crucial component for maintaining the cooling system of your marine Cummins engine. Like any other purchase, it comes with its advantages and disadvantages. In this analysis, we will discuss the pros and cons of buying this specific water pump impeller.

1. High-quality construction: JLM Marine is a reputable supplier of marine parts, and this water pump impeller is no exception. It is made of durable materials, ensuring long-lasting performance.

2. Compatibility: This impeller is specifically designed for Cummins marine engines, ensuring a perfect fit and optimal engine cooling.

3. Easy installation: The impeller comes with clear installation instructions, making it a straightforward process for DIY enthusiasts.

4. Competitive pricing: Compared to OEM alternatives, the JLM Marine Cummins Engine Water Pump Impeller offers a more affordable option without compromising quality.

1. Potential for leaks: As with any water pump impeller, there is a risk of leaks when installing or replacing it. Proper installation and maintenance are essential to prevent potential issues.

2. Limited warranty: The JLM Marine Cummins Engine Water Pump Impeller does not come with an extensive warranty, which might be a concern for some consumers.

3. Availability: Depending on your location, availability of this impeller might be a concern. It is essential to ensure that it is readily available when you need it for your marine engine repairs.

In conclusion, the JLM Marine Cummins Engine Water Pump Impeller offers several advantages, such as high-quality construction, compatibility, easy installation, and competitive pricing. However, it also comes with potential disadvantages, including the risk of leaks, limited warranty, and availability concerns. Ultimately, the decision to buy this impeller depends on your specific needs, budget, and preferences. If you prioritize a reliable and affordable option for your marine engine cooling system, the JLM Marine Cummins Engine Water Pump Impeller is an excellent choice.

Details:

Verified Compatibility: Precision engineered for specific Cummins model's. CUSTOMER FIRST Not satisfied. Fitment Guide ENGINE TYPE: Used on Cummins Pump 5268375 Package Includes 1 X High-Performance Water Impeller Expertly packaged to ensure safe delivery your door. Premium Marine Engine Components Manufacturer.

Technical Specifications Reference Part Number3974456, Number of Blades12.

part #: 3974456 price

• $43.99

specifications vesselveep:

• for models: Cummins
• brand: Jlm Marine
• manufacturer part number: 3974456
• type: Engine Cooling Water Pump Impeller

seller vesselveep:

• rating: 100.0%
• city: Hebron, Kentucky
• # reviews: 946

offer vesselveep:

• quantity: 10
• options: Ship-to-home
• sold: 0
• started: March 6, 2026
• availability: In Stock
• best offers: True

payments vesselveep:

• other
• wallet: Google-pay
• credit card: Discover

general vesselveep:

• Parts Accessories > Boat Parts > Other
• condition: New

shipping vesselveep:

• cost: $0.00
• transit: 5-8 Days
• type: Fixed
• class: Standard, Expedited
• carrier: UPS
• service: Standard, UPS Ground, Expedited

returns vesselveep:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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