This listing covers the HPS 2.5″, 2.75″ (63mm, 70mm) ID, 6″ Long Black 4-Ply Reinforced Silicone 1/2″ Offset Reducer Coupler Hose, one of the parts our fitment desk checks most often.

Hoses and fittings work under pressure and heat, where material choice decides service life. Keep petroleum away from standard silicone unless the hose is lined for it.
Drivers choose the 6 long black 4-ply reinforced here for honest specification detail and quick dispatch.
Buyers comparing the 6 long black 4-ply reinforced will find the specification detail on this page rather than in a catalog footnote.
The 6 long black 4-ply reinforced listed here is checked against your vehicle before dispatch.
Every 6 long black 4-ply reinforced order goes through the same fitment review.
Ordering the 6 long black 4-ply reinforced takes a minute and the confirmation reaches you straight away.
Our team knows the 6 long black 4-ply reinforced well, so ask if anything about the specification is unclear.
Stock of the 6 long black 4-ply reinforced is live on this page rather than estimated.
At a glance
- Reinforcement: 4 ply
- Material: Silicone
- Finish: Black
- Category: Universal Hose
- Price: $82.39 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 2-1/2″, 2-3/4″ (63mm, 70mm), 6″ Long High Temp 4-ply Reinforced Black Silicone Offset Reducer Coupler Hose meet and exceed SAEJ20 industry standards, ideal for heavy duty pressure connections and provides excellent resistance for high temperature applications. HPS performance silicone Offset Reducer Coupler Hose is designed and engineerd to meet high performance requirements specified in various industry standards, therefore make it great for marine and industrial use, custom turbo or intercooler piping fabrication, DIY intake or radiator cooling system.
Technical Specification
Product Type: Silicone Offset Reducer Coupler Hose
Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C)
Reinforced Layer: 4-ply
Hose Inside Diameter: 2.5″, 2-3/4″ (63mm, 70mm)
Hose Outside Diameter: 2.87″, 3.12″ (73mm, 80mm)
Hose Length: 6″
Offset from the centers: 1/2″
Wall Thickness: 5mm (+/- 0.5mm)
Color: Black
UV and ozone resistant
Remark: Silicone hose is NOT compatible with fuel or oil.
- Material: 4-Ply Reinforced Silicone
- Color: Black
- 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 Offset Reducer Coupler Hose
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- HTSOR-250-275-L6-BLK, HTSOR250275L6BLK
When two options look similar, our parts team will tell you which one your vehicle actually takes.
More in this department: 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
Your order is picked, inspected and packed by a person, then handed to the carrier with tracking the same day.
Further reading from a neutral source: the Car Care Council maintenance tips.
Questions we get about this part
How do I confirm this fits?
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?
Returns are handled in one reply for most cases. Keep your order confirmation, since it is the only proof of purchase we need.
How do you verify this part?
We verify diameter and reinforcement specification on every hose order.
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