The HPS 10-Feet Red 5/32″ (4mm) ID High Temp Silicone Heater Hose Coolant Turbo is in stock at PartSmith Co. and ready for dispatch from our USA warehouse.

Clamp choice matters: constant tension or lined clamps protect the hose surface over heat cycles. Measure inner diameter at the fitting rather than estimating by eye.
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.
The id high temp silicone heater hose listed here is checked against your vehicle before dispatch.
Every id high temp silicone heater hose order goes through the same fitment review.
Part details
- Material: Silicone
- Finish: Red
- Category: Universal Hose
- Price: $38.99 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 5/32″ ID (4mm) Red high temp reinforced silicone heater hose 10 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: 10 feet roll. Color: Red. 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: Red
- 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: 10 Feet roll
Application:
Universal Fit
Remark:
Installation: Compatible with Water/Coolant ONLY, Not for Fuel/Oil
Product Content:
- 1 x 10 Feet roll Heater Hose
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- HTHH-016-REDx10, HTHH-016-RED, HTHH-016
A free fitment check takes minutes: send your year, make and model and we will confirm this is the correct part.
Also worth a look: Hoses & Fittings · HPS 3.12″ (80mm) ID, 6″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · HPS 3.12″ (80mm) ID, 4″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · full catalog
Our warehouse team packs the way they would want their own parts to arrive.
Background reading that is not trying to sell you anything: the Car Care Council maintenance tips.
Questions we get about this part
Will this part fit my vehicle?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
How long does delivery take?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
Is there a warranty on this?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
How do you protect it in transit?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
![HPS NPT Hex Plug Fitting [1/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN933_1-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M22 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_84a0bab4-582d-4dc1-a176-6237879f811f-300x300.jpg)
![HPS AN Female Flare Cap Fitting [Straight] [AN -16] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN929_1_c735b1de-9c47-4378-8770-106277ec99ca-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M18 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_f414e18f-37ad-4910-8abb-c7f9ac2080bf-300x300.jpg)
Reviews
There are no reviews yet.