PartSmith Co. lists the HPS 3/4″ (19mm) ID, with 8″ and 24″ Leg Long Black 4-Ply Reinforced Silicone 90 Degree Elbow Coupler Hose with real inventory, honest specs and fast USA dispatch.

Hoses and fittings work under pressure and heat, where material choice decides service life. Use constant tension or lined clamps so the hose surface survives heat cycles.
Shops order the leg long black 4-ply reinforced 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 against it.
The leg long black 4-ply reinforced ships protected, because a damaged part helps nobody.
Drivers choose the leg long black 4-ply reinforced here for honest specification detail and quick dispatch.
Buyers comparing the leg long black 4-ply reinforced will find the specification detail on this page rather than in a catalog footnote.
The leg long black 4-ply reinforced listed here is checked against your vehicle before dispatch.
Every leg long black 4-ply reinforced order goes through the same fitment review.
Part details
- Reinforcement: 4 ply
- Material: Silicone
- Finish: Black
- Category: Universal Hose
- Price: $77.31 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 3/4″ (19mm) high temperature 4-ply reinforced Black silicone 90 degree elbow coupler hose with 8″ and 24″ leg meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. This HPS 3/4 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: 3/4″ (19mm)
Hose Outside Diameter: 1-1/8″ (28mm)
Leg Length: 8″ and 24″
Center Line Radius: 1″
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: 8″ and 24″. 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:
- HTSEC90-075-L8X24-BLK, HTSEC90075L8X24BLK
When two options look similar, our parts team will tell you which one your vehicle actually takes.
Browse nearby: Hoses & Fittings · HPS 1.75″ (45mm) ID, 4″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · HPS 1.5″ (38mm) ID, 6″ 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.
For neutral background on this kind of maintenance, see the fuel economy maintenance guidance.
Before you order
Is fitment guaranteed on this listing?
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 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?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
What quality checks does this get?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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