Add to favorites
3/8 Inch Vacuum Cap High-temperature Three-layer Reinforced Silicone Coolant Bypass Cap(9.5mm) Suitable for Turbine Bypass Valve, Throttle Waterway, Warm Air Core With 304 Stainless Steel Clamp by KEKETAKE - Used condition

3/8 Inch Vacuum Cap High-temperature Three-layer Reinforced Silicone Coolant Bypass Cap(9.5mm) Suitable for Turbine Bypass Valve, Throttle Waterway, Warm Air Core With 304 Stainless Steel Clamp

Brand: KEKETAKE

Condition: Used
$899
$999
-11% Save $100
Updated: 3 days ago

Description

3 8 coolant bypass cap Made of High Temperature 3-Ply Polyester Reinforced Silicone. Maximum Temperature Rating: 350 Deg. F (177 Deg. C). Ideal for Heavy Duty Pressure Connections And Provides Excellent Resistance for High Temperature Applications.The matching clips are made of 304 stainless steel, sturdy and durable, no rust ! vacuum cap This Size Has an 3/8" (9.5mm) ID, 11/16" (17.5mm) OD And Measures 38mm (1 1/2") Long Overall With a 30mm Depth. Compatible for use with coolant, water, air, turbocharger bypass valve ports, vacuum ports, throttle body water ports, heater cores, and much more. Reinforced silicone caps are not compatible with fuel, oil, or any petroleum-based products.

This 3/8-inch vacuum cap/coolant bypass cap is specially designed for the high-temperature and high-pressure environment of automobiles. It is made of three-layer polyester-reinforced silicone material and features excellent high-temperature resistance and pressure resistance. Whether it is the bypass valve interface of the turbocharger, the vacuum pipeline, or the small-diameter port of the cooling system, it can provide reliable sealing.

The 304 stainless steel clamps equipped ensure that they are firmly fastened and will not fall off after installation, and will not rust even after long-term use. It is suitable for a variety of vehicle systems, including coolant circulation, intake vacuum, warm air core, etc., and is an ideal choice for maintenance, modification or protection interfaces.

Specification details

• Material: Three-layer polyester-reinforced silicone + 304 stainless steel clamp

• Inner diameter: 3/8 inches (9.5mm)

• Outer diameter: 11/16 inches (17.5mm)

• Total length: 38mm (approximately 1.5 inches)

• Depth: 30mm

• Temperature range: Up to 350°F (177°C

Applicable scenarios

Sealing of the bypass interface of the automotive cooling system

• Turbocharger vacuum/pneumatic pipeline protection

The waterway of the throttle body is blocked

The core pipe opening of the warm air system is dust-proof and leak-proof

The general gas/water ports are temporarily or permanently closed

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b0fdzyjdx8
Model:
3/8(9.5mm) Silicone Coolant Cap
Country:
US
ASIN:
B0FDZYJDX8

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $1 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for KEKETAKE products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.