Shopping the HPS 3/8″ (9.5mm) ID, with 5″ and 48″ Leg Long Black 4-Ply Reinforced Silicone 90 Degree Elbow Coupler Hose? Everything you need to choose correctly is on this page.

Reinforcement ply count determines burst strength, which matters most on boosted applications. Re check clamp torque after the first few heat cycles.
Every leg long black 4-ply reinforced silicone order goes through the same fitment review.
Ordering the leg long black 4-ply reinforced silicone takes a minute and the confirmation reaches you straight away.
Our team knows the leg long black 4-ply reinforced silicone well, so ask if anything about the specification is unclear.
Stock of the leg long black 4-ply reinforced silicone is live on this page rather than estimated.
Shops order the leg long black 4-ply reinforced silicone from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the leg long black 4-ply reinforced silicone against it.
The leg long black 4-ply reinforced silicone ships protected, because a damaged part helps nobody.
The important numbers
- Reinforcement: 4 ply
- Material: Silicone
- Finish: Black
- Category: Universal Hose
- Price: $84.08 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 3/8″ (9.5mm) high temperature 4-ply reinforced Black silicone 90 degree elbow coupler hose with 5″ and 48″ leg meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. This HPS 3/8 inch silicone elbow can be easily trimmed to replace OEM or aftermarket rubber heater hose.
Unlike the traditional rubber heater hose elbow being sold in the auto parts store, HPS performance silicone 90 degree bend elbow coupling hose is designed and engineered to meet high performance requirements specified in various industry standards, therefore make it great for marine and industrial use, heater hoses, supercharger aftercoolers, and air-to-water heat exchangers.
The flexible line makes maneuvering the hose in the engine bay a quick and pain-free process.
Technical Specification
Product Type: Silicone 90 Degree Elbow Coupler Hose
Temperature Range: -65 deg. F to + 350 deg. F (177 deg. C)
Reinforced Layer: 4-ply polyester
Hose Inside Diameter: 3/8″ (9.5mm)
Hose Outside Diameter: 0.73″ (18mm)
Leg Length: 5″ and 48″
Center Line Radius: 3/4″
Wall Thickness: 5mm +/- 0.5mm
Color: Black
UV and ozone resistant
Remark: Silicone hose is NOT compatible with fuel or oil.
Silicone hose is compatible with water or anti-freeze such as coolant.
- Material: 4-Ply Reinforced Silicone
- Color: Black
- Leg length: 5″ and 48″. Can be easily trimmed to replace OEM or aftermarket rubber heater hose.
- Made of High Temperature 4-ply Reinforced Silicone (Maximum temperature rating 350F)
- Meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications
- UV and ozone resistant. Silicone hose is NOT compatible with fuel or oil
- Great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system
Application:
Universal Fit
Remark:
Installation: Compatible with Water/Coolant ONLY, Not for Fuel/Oil
Product Content:
- 1 x 90 Degree Elbow Coupler Hose
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- HTSEC90-038-L5x48-BLK, HTSEC90038L5x48BLK
Ask before you order and the only surprise on installation day is how smoothly it goes.
Related listings: Hoses & Fittings · HPS 4″ (102mm) ID, 6″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · HPS 4″ (102mm) ID, 4″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · full catalog
Parcels leave our USA warehouse promptly and arrive protected, because packaging failures are returns waiting to happen.
General guidance on this system is published in the Car Care Council maintenance tips.
Before you order
How do I confirm this fits?
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.
What are the shipping times?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
Can I return this part?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
Is this checked before shipping?
We verify diameter and reinforcement specification on every hose order.

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