Consider the HPS 5/8″ (16mm) ID, with 8″ and 18″ Leg Long Blue 4-Ply Reinforced Silicone 90 Degree Elbow Coupler Hose sourced: we stock it, verify it and send it out fast.

Clamp choice matters: constant tension or lined clamps protect the hose surface over heat cycles. Keep petroleum away from standard silicone unless the hose is lined for it.
Drivers choose the leg long blue 4-ply reinforced here for honest specification detail and quick dispatch.
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.
Details that matter
- Reinforcement: 4 ply
- Material: Silicone
- Finish: Blue
- Category: Universal Hose
- Price: $54.22 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 5/8″ (16mm) high temperature 4-ply reinforced Blue silicone 90 degree elbow coupler hose with 8″ and 18″ leg meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. This HPS 5/8 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: 5/8″ (16mm)
Hose Outside Diameter: 1″ (25mm)
Leg Length: 8″ and 18″
Center Line Radius: 1″
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: 8″ and 18″. 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:
- HTSEC90-062-L8X18-BLUE, HTSEC90062L8X18BLUE
Ask before you order and the only surprise on installation day is how smoothly it goes.
Related parts: Hoses & Fittings · HPS 1.75″ (45mm) ID, 6″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · HPS 1.75″ (45mm) ID, 4″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · full catalog
Heavy items are double boxed or palletized, because transit damage helps nobody.
Further reading from a neutral source: the fuel economy maintenance guidance.
Buyer questions
Can you check fitment before I order?
Share your vehicle details with our team and we cross reference this listing before dispatch. Anything doubtful gets a message from us rather than a shipment.
How fast does this ship?
Dispatch is normally the same or next business day, and heavy items travel on freight with a booked delivery window.
Is there a warranty on this?
A straightforward returns window applies from delivery. Keep the original packaging until you have test fitted the part and contact support for a fast exchange or refund.
How do you verify this part?
We verify diameter and reinforcement specification on every hose order.

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