SKU: 67617381377

HPS 3/8" High Temperature Reinforced Black Silicone Coolant Cap Bypass Heater 9.5mm (RSCC-038-BLK)

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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

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Description

HPS 3/8" High Temperature Reinforced Black Silicone Coolant Cap Bypass Heater 9.5mm (RSCC-038-BLK)The HPS Performance 3 8" (9. 5mm) high temperature reinforced black silicone cap is designed specifically to be installed on your cooling system. Vacuum caps have no reinforcement and are intended for vacuum and very little pressure. The HPS reinforced silicone caps are manufactured just like our reinforced silicone radiator hoses. While traditional rubber coolant cap might crack and cause coolant leak, HPS Performance high temperature 3 ply polyester

The HPS Performance 3/8" (9.5mm) high temperature reinforced black silicone cap is designed specifically to be installed on your cooling system. Vacuum caps have no reinforcement and are intended for vacuum and very little pressure. The HPS reinforced silicone caps are manufactured just like our reinforced silicone radiator hoses. While traditional rubber coolant cap might crack and cause coolant leak, HPS Performance high temperature 3-ply polyester reinforced silicone caps will withstand the high temperatures and pressures of your cooling system for years to come.

HPS Reinforced Silicone Caps are compatible for use with coolant, water, air, turbocharger bypass valve ports, vacuum ports, throttle body water ports, heater cores, and much more.

Technical Specification
Product Type: Reinforced Silicone Coolant Cap
HPS Part Number: RSCC-038-BLK
Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C)
Reinforced Layer: 3-ply Polyester
Inside Diameter: 3/8" (9.5mm)
Color: Black
Wall Thickness: 4mm
Inside Length: 1-3/16"
Overall Length: 1-1/2"
UV and ozone resistant

Remark: HPS reinforced silicone caps are not compatible with fuel, oil, or any petroleum-based products.

Features:

  • HPS 3/8" High Temperature Reinforced Black Silicone Coolant Cap Bypass Heater 9.5mm withstand the high temperatures and pressures of your cooling system. Ideal to use with coolant, water, air, turbocharger bypass valve ports, vacuum ports, throttle body water ports, heater cores, fix leak.
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: 67617381377

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4.3 ★★★★★
Based on 11 reviews
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Product Reviews
A
Verified Purchase
Arvin
Carnegie, US
★★★★★ 5
Perfect for on the go use.
The Lisen Wireless charger is perfect for on the go pop in and pop out when needed. It’s very functional and only needs one hand use to lock or unlock. It fits perfectly on the air vent. It’s look sleek and well made. The charging speed may be slow unfortunately.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
C
Verified Purchase
Connor Pack
Lake Worth, US
★★★★★ 4
Good, except for release button placement
This works well. It’s easy to install, charges your phone well, and mounts to the vent securely. Simply set your phone on it and squeeze the arms to grip it. I like that it’s manual, so you can open and close it even without power. However, the release button is centered on the back, which means that to press/squeeze it, you have to put your thumb right on the middle of your phone screen. It can interfere with whatever I’m using my phone for at the time or just wake it up unnecessarily. Not a huge deal, but it would be great if they moved the button to the side so you can squeeze side to side to release the grip, rather than front to back.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 22, 2025
T
Verified Purchase
Thisisarealreview
Dallas, US
★★★★★ 5
Great product if you’d like to talk and keep your phone charged at the same time
I really really like these. I have two one in my truck one in my car I like it because I can put my headphones in while it’s being charged so I can talk on long drives like four hour drives and the battery never goes dead and I have the ability to utilize the plug-in. I don’t like Wi-Fi. I have a tendency to lose them so I like old-fashioned wire it just is my preference.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
M
Verified Purchase
Mt
Pawtucket, US
★★★★★ 5
Muy buena calidad lo llevo usando por mucho tiempo y aún funciona.
Carga rápido y sostiene muy bien el celular
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Reviewed in the United States on May 13, 2026
J
Verified Purchase
John P.
Omaha, US
★★★★★ 5
Great Charger
Great wireless car charger holder. No more fidgeting for phone
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026

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