SKU: 50010621385

Hybrid Racing Low Temp Thermostat - B/D/L-Series Engines

Sale price$76.94 Regular price$85.49
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Hybrid Racing Low Temp Thermostat - B/D/L-Series EnginesHybrid Racing knows the advantages of using a low temperature thermostat in high performance or race environments are evident. Opening the thermostat's valve at a lower temperature allows coolant to flow more freely during low load sections of the racetrack. This enables the radiator to effectively regulate the engine's temperature within the optimal range during high load sections. If a cooling system is pushed to its limits at the racetrack and

Hybrid Racing knows the advantages of using a low-temperature thermostat in high-performance or race environments are evident. Opening the thermostat's valve at a lower temperature allows coolant to flow more freely during low-load sections of the racetrack. This enables the radiator to effectively regulate the engine's temperature within the optimal range during high-load sections. If a cooling system is pushed to its limits at the racetrack and overheating becomes an issue, a low-temperature thermostat can often resolve this problem. It achieves this by allowing the radiator to perform more cooling at lower engine loads, thereby preventing or delaying overheating during high-engine loads.

This part is made specifically for the Honda / Acura B-Series, D-Series, and L-Series engines.

Low-temperature thermostats offer several advantages and are useful in various situations. Here are some key reasons why they are beneficial:
  • Enhanced Engine Cooling: Low-temperature thermostats allow coolant to flow more freely at lower temperatures, improving the cooling efficiency of the engine. By opening the thermostat's valve at a lower temperature, they help maintain the engine within the optimal temperature range during high-load conditions. This can prevent overheating and ensure consistent performance, especially in demanding situations like racing or high-performance driving.
  • Prevention of Temperature Hunting: Low-quality thermostats can cause temperature hunting, characterized by erratic fluctuations in coolant temperature. In contrast, low-temperature thermostats are designed to prevent hunting by controlling the flow of coolant more effectively. This stability in temperature helps avoid issues such as cracked cylinder heads and reduces strain on the cooling system.
  • Improved Durability: High-quality, low-temperature thermostats, like those offered by Nippon Thermostat Co. Ltd in the provided context, undergo extensive durability testing. This testing includes heating and cooling cycles, vibration testing, and real-world testing in both road and race cars. As a result, these thermostats are built to withstand demanding conditions and have superior durability, reducing the risk of failure and ensuring long-lasting performance.
  • Customizable Cooling Systems: Low-temp thermostats offer the flexibility to fine-tune the engine's cooling system. They allow for better control over coolant flow and temperature regulation, enabling enthusiasts and engineers to optimize cooling performance according to specific needs and preferences. This customization can be particularly valuable in racing, where precise cooling management is critical for maintaining optimal engine performance.
Overall, low-temperature thermostats provide improved engine cooling, prevent temperature hunting, offer durability, and allow for customizable cooling systems. These advantages make them a valuable component, especially in high-performance applications where maintaining optimal temperatures is crucial for engine performance and longevity.

Hybrid Racing's HYPERCOOL thermostats are produced by an OEM supplier that has been in existence since 1954; Their thermostats are used in over 50% of cars manufactured in Japan and are widely utilized in motorsports events such as Le Mans and WRC. The durability of thermostats is crucial, especially considering the potential consequences of a malfunctioning thermostat and subsequent engine overheating. To ensure durability, we conduct rigorous testing on their low-temperature thermostats, including various cycles of heating and cooling, vibration testing, engine bench testing, as well as real-world testing in both road cars and race cars.

Features
  • Ideal for racing cars
  • Reduces temp hunting
  • OEM Quality Made in Japan
  • Fully open @ 68*C/154.4*F
Fitment
  • 1990-2001 Acura Integra ALL (Including B17A)
  • 1992-2000 Honda Civic (B-Series & D-Series)
  • 2001-2003 Honda Civic NON-Si (D-Series)
  • 1993-1997 Honda Civic Del Sol (B-Series & D-Series)
  • 1992-1996 Honda Prelude S (F20B ONLY)
  • 2016-2021 Honda Civic (L15B7 engines ONLY)
  • 1997-2001 Honda CRV ALL (B-Series)
      Shipping Notes
      • Free Standard Shipping on $100+ Orders to the USA.
      • Except Preorder products are shipped in 48 hours.
      • Delivery to the USA:
      1. Standard Shipping : 3-10 business days
      • If time is of the essence, please consider selecting expedited delivery for faster service.
      Exchange/Return Notes
      • We offer a 30-day return/exchange service after receiving.
      • Final sale items are not eligible for returns or exchanges.
      • To process your return/exchange, please contact us at [email protected]
      • Please click here for more details>>> Return & Exchange Policy
      SKU: 50010621385

      Discover Niche Categories That Outsell

      Top-Converting Item to Boost Your Average Order

      4.7 ★★★★★
      Based on 384 reviews
      Sort
      Highest Rating
      Newest First
      Oldest First
      Product Reviews
      R
      Verified Purchase
      review58
      Los Angeles, US
      ★★★★★ 4
      God but..
      Size: 4 Inch (Pack of 2)
      My small dog loves these. None of the bones are as tough as they say. I have to change out about once a month. It gets a little pricey but they can swallow the pieces once chewed a bit.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on March 21, 2026
      J
      Verified Purchase
      Jamie Liverseed
      New York, US
      ★★★★★ 5
      Very durable!
      Color: Blue T-Bone, Size: 1 Count
      Great product! Dogs love it and very durable. I had been buying the nylon bones in pack of 3, but my 2 dogs would chew them up in no time, and I was buying the aggressive chewer bones. Bought 2 of these, dogs loved it, so I bought another one. Have had these for about 2- 2 1/2 months and still holding up just fine. And the price is great! Would definitely recommend!
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on May 5, 2026
      J
      Verified Purchase
      joyce rutledge
      Dallas, US
      ★★★★★ 5
      Boston Terrier love
      Color: Blue T-Bone, Size: 1 Count
      My baby loves this chew toy.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on June 9, 2026
      K
      Verified Purchase
      Kristina Lee Harris-Osborne
      Dallas, US
      ★★★★★ 5
      Best toys ever
      Color: Blue T-Bone, Size: 2 Count
      Some of the best toys ever. Last a long time for my Frenchies.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on May 15, 2026
      T
      Verified Purchase
      Tracy Vargas
      Charlottesville, US
      ★★★★★ 4
      Great for chewing but very sharp and mangled in a few days
      Color: Blue Gator, Size: 1 Count, Color: Blue Gator, Size: 1 Count
      I thought this was a fantastic idea having baking soda added for fresh clean teeth while enjoying a new toy. I wanted to review 2 main things about this. First, if my dog enjoyed this toy. That answer would be yes absolutely! She is chewing it as I’m writing this right now. She can spend a good amount of time chewing away on this and it keeps her busy without having to use a rawhide treat which we only try to use if we re going to be gone for longer then 4 hours. The kids love playing fetch with her and she stays engaged the whole time. It is very heavy and when being thrown can become a weapon so I always supervise! Last, the durability of the toy. So it is durable but not completely. As you can see the toy got very sharp where she has been chewing it and I’ve even noticed a little blood on it which means it’s cutting her gums. It wasn’t a large enough amount for me to take it away. It is still almost the exact same size but maybe after a month I will re edit this for more accurate on durability since it’s only been about a week that she has gotten it. Overall, I would recommend this toy it’s a great price and keeps her attention a lot more then other toys I spent twice the amount of money on!
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on March 9, 2022

      recommand products