PartSmith Co. keeps the HPS 25-Feet Blue 5/32″ (4mm) ID High Temp Silicone Heater Hose Coolant Turbo in stock so your repair is not waiting on a supplier.

Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Re check clamp torque after the first few heat cycles.
Stock of the id high temp silicone heater hose is live on this page rather than estimated.
Shops order the id high temp silicone heater hose from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the id high temp silicone heater hose against it.
The id high temp silicone heater hose ships protected, because a damaged part helps nobody.
Drivers choose the id high temp silicone heater hose here for honest specification detail and quick dispatch.
Buyers comparing the id high temp silicone heater hose will find the specification detail on this page rather than in a catalog footnote.
Specifications
- Material: Silicone
- Finish: Blue
- Category: Universal Hose
- Price: $91.79 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 5/32″ ID (4mm) Blue high temp reinforced silicone heater hose 25 feet roll meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. HPS performance silicone is designed and engineered to meet high performance requirements specified in various industry standards, therefore make it great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system. Key Features: Made of premium industrial grade high temp reinforced silicone. Heavy wall design gives it the ability to handle extreme pressure.
Ultra flexible & Excellent tensile strength. Technical Specification: Product Type: Silicone . Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C). Hose Inside Diameter: 5/32″ (4mm). Hose Outside Diameter: 25/64″ (10mm). Max. Working Pressure: 85 psi. Bend Radius: 3/4″. Wall Thickness: 3mm. Hose Length: 25 feet roll. Color: Blue. UV and ozone resistant. Remark: Silicone hose is NOT compatible with fuel or oil; however, it is compatible with water and anti-freeze such as coolant. Silicone heater hose is shipped in one single continuous roll instead of multiple single foot section.
- Layer Material: 1-Ply Reinforced Silicone
- Color: Blue
- Temperature Range:, 65 deg. F to + 350 deg. F (177 deg. C)
- Hose Outside Diameter: 5/32″ (4mm)
- Hose Inside Diameter: 0.39″ (10mm)
- Wall Thickness: 3mm
- Hose Length: 25 Feet roll
Application:
Universal Fit
Remark:
Installation: Compatible with Water/Coolant ONLY, Not for Fuel/Oil
Product Content:
- 1 x 25 Feet roll Heater Hose
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- HTHH-016-BLUEx25, HTHH-016-BLUE, HTHH-016
Unsure about the specification? Our desk cross references against manufacturer data at no cost.
Explore more: Hoses & Fittings · HPS 3.12″ (80mm) ID, 4″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · HPS 2.25″ (57mm) ID, 6″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · full catalog
You get honest delivery estimates rather than optimistic ones, quoted live for your address.
For neutral background on this kind of maintenance, see the NHTSA vehicle safety hub.
Questions we get about this part
What do you need to verify fitment?
Send your VIN or your year, make and model and our fitment desk confirms the part against manufacturer data before it ships. The check is free and usually answered the same business day.
How long does delivery take?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
What if it does not fit?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
Is the part inspected before dispatch?
We verify diameter and reinforcement specification on every hose order.
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