SAMCOSPORT HUS-38 Radiator Hose Thermostat Bypass Kit

( Brand: Samcosport ), ( Manufacturer Part Number: HUS-38 ), ( Part Type: Radiator Hose Thermostat ), ( Photo Disclaimer: Image Is Generic, Actual Product May Differ. )

Review SAMCOSPORT Radiator Hose Kit Thermostat Bypass Blue

The **Samcosport HUS-38 Radiator Hose Kit with Thermostat Bypass** is a meticulously engineered upgrade designed to enhance the performance, reliability, and longevity of your vehicle s cooling system, particularly for high-performance or heavily modified engines. This premium-quality kit is crafted to address common issues associated with standard cooling system components, such as leaks, clogs, and inadequate heat dissipation, which can lead to overheating, reduced efficiency, and costly engine damage over time. The kit features a **high-pressure-rated radiator hose assembly**, constructed from **abrasion-resistant, heat-resistant rubber** reinforced with durable synthetic fibers, ensuring superior durability against engine heat, vibration, and mechanical stress. Each hose is precision-molded to fit seamlessly with your engine bay s tight spaces, eliminating the need for excessive bending or stretching that can compromise integrity. The **thermostat bypass hose** included in this kit is a critical addition for vehicles equipped with a thermostat, as it allows coolant to bypass the thermostat housing during cold starts, accelerating engine warm-up and reducing wear on critical components. This bypass feature is particularly beneficial for high-performance applications where rapid heat cycling can occur, as it minimizes the risk of coolant stagnation and ensures consistent flow from the first moment the engine fires. The kit also incorporates **clamp-style fittings** with stainless steel hardware, designed to provide a secure, leak-proof connection that resists loosening over time, even under the harsh conditions of aggressive driving or off-road use. Whether you re restoring an older vehicle, upgrading a stock cooling system, or preparing a modified engine for extreme performance demands, the Samcosport HUS-38 Radiator Hose Kit delivers a robust, all-in-one solution that combines ease of installation with long-term reliability. With its focus on precision engineering and high-quality materials, this kit is an essential investment for anyone seeking to optimize their vehicle s cooling efficiency while safeguarding against the premature failure of critical cooling components.

The **Samcosport HUS-38 Radiator Hose Kit with Thermostat Bypass** is a popular aftermarket upgrade for Honda Civic (HUS3) and related models, particularly for those looking to improve cooling system performance, reduce overheating risks, or enhance engine reliability. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Improved Cooling Efficiency**

The kit replaces the stock rubber hoses with high-quality, reinforced silicone or rubber hoses that resist heat, kinks, and degradation better than OEM parts. This can reduce the risk of hose failure, which is a common cause of overheating in older Civics. The upgraded hoses also allow for better coolant flow, potentially improving engine temperature regulation.

2. **Thermostat Bypass Functionality**

The included thermostat bypass allows the engine to warm up faster in cold weather by directing coolant flow around the thermostat initially. This can reduce cold-start wear on the engine and improve fuel efficiency during warm-up. It s particularly useful for drivers in colder climates or those who frequently drive short distances.

3. **Durability and Longevity**

The hoses in this kit are typically made from materials designed to last longer than stock hoses, which can degrade due to heat, oil leaks, or age. This reduces the likelihood of sudden hose failure, which can lead to catastrophic engine damage if the radiator or water pump is compromised.

4. **Easier Installation**

The kit is designed to be a direct replacement for the stock hoses, meaning no modifications to the engine bay are required. It comes with all necessary hardware (clamps, gaskets, etc.), and many users report that installation is straightforward, especially with basic tools. This makes it an attractive option for DIYers who want to avoid professional labor costs.

5. **Compatibility with Common Modifications**

The HUS-38 kit is often used alongside other performance upgrades (e.g., turbocharging, forced induction, or high-flow water pumps). The improved hose quality and thermostat bypass can help manage the increased heat output from these modifications, making it a versatile choice for enthusiasts.

6. **Cost-Effective Upgrade**

Compared to a full cooling system overhaul, this kit is relatively inexpensive. It provides noticeable improvements without requiring major modifications, making it a practical choice for those who want to enhance reliability without a large investment.

7. **Reduced Risk of Leaks**

The clamps and gaskets included in the kit are often of higher quality than stock components, reducing the chance of leaks at hose connections. Leaks can lead to coolant loss, overheating, and corrosion, so this is a significant advantage.

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### **Cons**

1. **Limited to Specific Models**

This kit is designed specifically for the Honda Civic HUS3 platform (e.g., 2001 2005 Civic Si, EX, DX, etc.) and some related models like the Honda CR-V (U1) or Acura TSX. If you have a different vehicle, this kit will not be compatible, and you may need to source a different part number.

2. **Thermostat Bypass May Not Be Ideal for All Driving Conditions**

While the bypass helps with cold starts, it can also lead to slightly higher engine temperatures during normal operation if the thermostat is not functioning correctly or if the bypass is not properly closed. In extreme heat or high-performance applications, this could potentially contribute to overheating if not managed properly. Some users report that the bypass can cause the engine to run slightly warmer than optimal in all conditions, which may not be desirable for daily driving in hot climates.

3. **Quality Variability**

As with many aftermarket parts, the quality can vary depending on the specific batch or brand. While Samcosport is generally well-regarded, there have been occasional reports of hoses splitting or clamps failing prematurely. It s important to source the kit from a reputable seller (e.g., Amazon, eBay, or a trusted parts store) and check reviews for any recurring issues with the specific lot you re purchasing.

4. **Potential for Installation Errors**

While the kit is designed for easy installation, mistakes can still occur. For example, misaligning the hoses or overtightening clamps can damage the hoses or cause leaks. Users with little experience working on cooling systems may need to take extra care or seek guidance during installation.

5. **No Major Performance Gains**

This kit does not significantly improve horsepower or torque; its primary benefits are reliability and cooling efficiency. If your goal is to extract more power from the engine, you may need to pair this with other modifications (e.g., a high-flow water pump, upgraded radiator, or intercooler for turbocharged models).

6. **Thermostat Compatibility**

The thermostat bypass assumes the stock thermostat is functioning correctly. If your thermostat is faulty or stuck open/closed, the bypass may not provide the intended benefits. In such cases, replacing the thermostat alongside the hoses would be advisable.

7. **Limited Warranty or Return Options**

Some sellers offer limited warranties or return policies, but others may not. If the kit fails prematurely, you may be responsible for the cost of replacement, which could be frustrating if the hoses degrade quickly.

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### **Conclusion**

The **Samcosport HUS-38 Radiator Hose Kit with Thermostat Bypass** is a solid upgrade for Honda Civic HUS3 owners looking to enhance their cooling system s reliability, reduce the risk of hose failure, and improve cold-weather performance. The kit s ease of installation, durability, and cost-effectiveness make it a practical choice for both casual drivers and enthusiasts. However, it is not a universal fix it works best when paired with a properly functioning thermostat and is most beneficial for those who experience overheating issues or drive in varied climates.

The thermostat bypass feature is particularly useful for cold starts but may not be ideal for all driving conditions, especially in hot climates or high-performance applications. Quality can vary, so sourcing from a trusted seller is important. For those who prioritize reliability and want to avoid the hassle of frequent hose replacements, this kit is a worthwhile investment.

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### **Recommendation**

- Frequent hose failures or leaks,

- Overheating issues, or

- Slow engine warm-up in cold weather,

then the **Samcosport HUS-38 Radiator Hose Kit with Thermostat Bypass** is highly recommended. It is a straightforward, cost-effective way to upgrade your cooling system without major modifications.

However, if you are considering this kit for a **high-performance build** (e.g., turbocharged or heavily modified engine), you may need to supplement it with additional upgrades such as:

- A high-flow water pump,

- An upgraded radiator or intercooler,

- A performance thermostat, or

- Coolant additives for better heat dissipation.

For most stock or mildly modified HUS3 Civics, this kit will provide noticeable improvements in reliability and cooling efficiency. Always ensure you purchase from a reputable seller and follow installation instructions carefully to maximize its benefits.

Details:

HUSQVARNA FE 501 2017 2019. Using multiple layers adds strength to the hose and precision building minimizes overlaps. KTM 500 EXC-F 2017 2019. SamcoSport have developed various liners for applications such as coolant, air, oil and fuel.

The sign of quality. More teams trust SamcoSport products than any other brand. SamcoSport Radiator Hose Kit with Thermostat Bypass Blue HUS-38 Details. Compatibility, HUSQVARNA FE 450 2017 2019.

part #: hus38 prices

• $141.79-$145.23

specifications fendeframat:

• brand: Samcosport
• mpn: Hus-38
• part type: Radiator Hose Thermostat
• photo disclaimer: Image Is Generic, Actual Product May Differ.

shipping fendeframat:

• service: Standard, FedEx 2Day
• carrier: FedEx
• transit: 3-6 Days
• type: Fixed
• cost: $0.00
• class: Standard, Expedited

general fendeframat:

• Motorcycle Scooter Parts Accessories > Body Frame > Other Body Frame
• condition: New

offer fendeframat:

• quantity: 10
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: May 10, 2026

returns fendeframat:

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

seller fendeframat:

• # reviews: 4797
• city: Payson, Utah
• rating: 99.8%

payments fendeframat:

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

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