The HPS 5/16″ (8mm) ID, with 5″ and 48″ Leg Long Blue 4-Ply Reinforced Silicone 90 Degree Elbow Coupler Hose is in stock at PartSmith Co. and ready for dispatch from our USA warehouse.

Reinforcement ply count determines burst strength, which matters most on boosted applications. Use constant tension or lined clamps so the hose surface survives heat cycles.
Buyers comparing the leg long blue 4-ply reinforced will find the specification detail on this page rather than in a catalog footnote.
The leg long blue 4-ply reinforced listed here is checked against your vehicle before dispatch.
Every leg long blue 4-ply reinforced order goes through the same fitment review.
Ordering the leg long blue 4-ply reinforced takes a minute and the confirmation reaches you straight away.
Our team knows the leg long blue 4-ply reinforced well, so ask if anything about the specification is unclear.
Stock of the leg long blue 4-ply reinforced is live on this page rather than estimated.
Shops order the leg long blue 4-ply reinforced from us in volume because the data on the page is accurate.
Quick specs
- Reinforcement: 4 ply
- Material: Silicone
- Finish: Blue
- Category: Universal Hose
- Price: $71.54 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 5/16″ (8mm) high temperature 4-ply reinforced Blue 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 5/16 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: 5/16″ (8mm)
Hose Outside Diameter: 0.67″ (17mm)
Leg Length: 5″ and 48″
Center Line Radius: 3/4″
Wall Thickness: 5mm +/- 0.5mm
Color: Blue
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: Blue
- 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:
- HTSEC90-032-L5x48-BLUE, HTSEC90032L5x48BLUE
Send the old part number or a photo and we will match it against this listing before you commit.
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
Parcels leave our USA warehouse promptly and arrive protected, because packaging failures are returns waiting to happen.
For neutral background on this kind of maintenance, see the NHTSA vehicle safety hub.
Before you order
What do you need to verify fitment?
The application text on this page lists what the part serves. If your vehicle is not clearly covered, send the VIN and we will rule on it before you pay.
When will my order dispatch?
Most orders dispatch within one business day. You receive tracking by email the moment the parcel is handed to the carrier.
Is there a warranty on this?
Contact support before removing or returning anything, so the right process starts on the first message and nothing is voided by accident.
What happens before my order ships?
We verify diameter and reinforcement specification on every hose order.

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