FLEECE 3957649 Heater Hose Tube Block

( Brand: Fleece ), ( Manufacturer Part Number: 3957649 ), ( Type: Heater Hose ), ( Color: Black ), ( Compatible Model: B Engines )

Review FLEECE Oem Heater Hose Tube To Block fits CUMMINS 1990

Introducing the Cummins Fleece Heater Hose 3957649, a high-performance heater hose designed specifically for Cummins engines. This heater hose is an essential component of your engine cooling system, ensuring optimal performance in various weather conditions.

The Fleece Heater Hose 3957649 is made from premium quality materials, with a heavy-duty, flexible, and resilient construction. The hose is covered with a layer of high-density, closed-cell polyester fleece insulation that provides exceptional thermal insulation, preventing coolant from freezing in sub-zero temperatures and retaining heat during colder weather. The insulation also minimizes heat loss, enhancing the overall efficiency of your engine cooling system.

The hose features a reinforced, high-pressure, and heat-resistant inner liner made from EPDM rubber, designed to withstand the rigors of continuous engine operation and resist the effects of heat, oil, and coolant. The outer layer is made from a tough, durable, and UV-resistant cover that protects the hose from wear, tear, and damage due to sunlight, chemicals, and extreme temperatures.

The Cummins Fleece Heater Hose 3957649 is designed to meet or exceed OEM specifications, ensuring a perfect fit and seamless integration with your engine cooling system. The hose features a tube block with a 90-degree bend, allowing for easy installation and optimal placement of the heater core. The tube block is also reinforced with additional material to ensure durability and prevent leaks.

In summary, the Cummins Fleece Heater Hose 3957649 is a top-tier replacement hose designed to provide superior thermal insulation, durability, and performance for your Cummins engine. With its flexible, resilient, and heat-resistant construction, this hose will help ensure optimal engine cooling system performance, even in the most extreme weather conditions.

Pros and Cons of Buying a Fleece 3957649 Cummins Heater Hose 90 Degree Elbow

The Fleece 3957649 Cummins Heater Hose 90 Degree Elbow is an essential component in the cooling system of Cummins engines. This heater hose allows the engine coolant to circulate and reach the heater core, ensuring that the vehicle's heating system functions correctly. In this analysis, we will discuss the pros and cons of purchasing this specific heater hose.

1. Durability: The Fleece 3957649 Cummins Heater Hose 90 Degree Elbow is made from high-quality materials, ensuring long-lasting performance. The hose is reinforced with a layer of stainless steel braid, protecting it from damage caused by high temperatures and engine vibrations.

2. Easy Installation: This heater hose is designed to be a direct replacement for the original equipment, making the installation process straightforward. It comes pre-flared with a 90-degree elbow, eliminating the need for additional fittings.

3. Improved Performance: This heater hose is specifically designed for Cummins engines, ensuring optimal performance. The use of high-quality materials and the 90-degree elbow design make it more efficient at transferring coolant from the engine to the heater core, leading to better heating system performance.

1. Cost: Compared to other aftermarket heater hoses, the Fleece 3957649 Cummins Heater Hose 90 Degree Elbow might be more expensive. However, the use of high-quality materials and the improved performance make up for the additional cost.

2. Limited Compatibility: This heater hose is designed specifically for Cummins engines, making it less versatile than other options on the market. Ensure that you have a Cummins engine before purchasing this heater hose to avoid compatibility issues.

The Fleece 3957649 Cummins Heater Hose 90 Degree Elbow is an excellent investment for those with Cummins engines, offering durability, easy installation, and improved performance. While the cost might be higher than some alternatives, the benefits of using a high-quality heater hose outweigh the additional expense. If you own a Cummins engine, this heater hose is a worthwhile investment to ensure optimal engine cooling and heating system performance.

Details:

New Never Used The Cummins Elbow Hose 3957649 is used primarily on Tier 3 5.9 liter B engines.

part #: 3957649 prices

• $379.00-$412.97

specifications parthick:

• for models: Cummins
• for years: 1990
• brand: Fleece
• mpn: 3957649
• type: Heater Hose
• color: Black
• compatible model: B Engines

offer parthick:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: July 5, 2025

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• other
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• cost: $4.57
• carrier: USPS, UPS
• transit: 4-10 Days
• type: Calculated
• service: USPS Ground Advantage, UPS Ground Saver, UPS Ground, UPS Next Day Air Saver
• class: Standard, Economy, One-day

general parthick:

• Parts Accessories > Car Truck Parts Accessories > Other Car Truck Parts Accessories
• condition: New other see details

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• city: Huntley, Illinois

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