PartSmith Co. lists the HPS 1.87″ (48mm) ID ,5″ Leg Length 4Ply Silicone Black 135 Degree Elbow Coupler Hose with real inventory, honest specs and fast USA dispatch.

Silicone tolerates far more heat than standard rubber and stays flexible for many years. Replace both the upper and lower runs while the system is open.
Stock of the hps 1.87″ is live on this page rather than estimated.
Shops order the hps 1.87″ from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the hps 1.87″ against it.
The hps 1.87″ ships protected, because a damaged part helps nobody.
Drivers choose the hps 1.87″ here for honest specification detail and quick dispatch.
Buyers comparing the hps 1.87″ will find the specification detail on this page rather than in a catalog footnote.
The important numbers
- Reinforcement: 4 ply
- Material: Silicone
- Finish: Black
- Category: Universal Hose
- Price: $60.19 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
The HPS 135 Degree 4-Ply Reinforced Silicone Elbow is the ultimate solution for high-performance applications. Designed to withstand extreme temperatures and pressures, this premium silicone elbow delivers unrivaled durability and reliability.
Crafted with precision, our 4-ply reinforced silicone elbow ensures maximum strength and flexibility. Each layer is engineered to provide exceptional resistance against heat and pressure, making it ideal for turbocharged and intercooled systems. With its smooth interior surface, it guarantees unobstructed flow, minimizing turbulence and optimizing performance.
Featuring a precise 135-degree bend, this elbow offers efficient flow dynamics, allowing for enhanced intake and exhaust efficiency. Its 5″ leg lengths provide added versatility and ease of installation in a wide range of configurations. Whether you’re upgrading parts on your vehicle or needing this product for general manufacturing in your industry, this silicone elbow is the perfect choice.
Built to endure extreme conditions, this silicone elbow is capable of withstanding temperatures ranging from -65°F to 350°F (-53°C to 177°C), ensuring reliable performance in even the harshest environments. It is also engineered to withstand high pressures, making it suitable for a wide range of applications.
- Layer Material: 4-Ply Reinforced Silicone
- Color: Black
- Hose Inside Diameter: 1.87″ (48mm)
- Hose Outside Diameter: 2.29″ (58mm)
- Hose Length: 5″ Leg Length on each side
- Wall Thickness:5mm
- Made of High Temperature 4-ply Reinforced Silicone
- Meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications
- Great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system
- UV and ozone resistant
- Silicone hose is NOT compatible with fuel or oil
Application:
Universal Fit
Remark:
Installation: Compatible with Water/Coolant ONLY, Not for Fuel/Oil
Product Content:
- 1 x Elbow Coupler Hose
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- HTSEC135-187-BLK, HTSEC135-187, HTSEC135
Unsure about the specification? Our desk cross references against manufacturer data at no cost.
Related parts: Hoses & Fittings · HPS 2.25″, 2.5″ (57mm, 63mm) ID, 6″ Leg Long Black 4-Ply Silicone 1/2″ Offset Reducer Hose · HPS 4″ (102mm) ID, 6″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · full catalog
Orders are checked against your vehicle details before they are sealed, then dispatched quickly.
Background reading that is not trying to sell you anything: the Car Care Council maintenance tips.
Questions we get about this part
How do I know this is the right part?
Trim level, engine option and drive type decide most fitment questions. Send those three details or the VIN and we will check them for you.
When will my order dispatch?
Dispatch is normally the same or next business day, and heavy items travel on freight with a booked delivery window.
What if it does not fit?
Parts are covered against defects for the period stated on this page, and non defect returns follow our standard returns window.
What quality checks does this get?
We verify diameter and reinforcement specification on every hose order.
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