The HPS 2.5″, 2.75″ (63mm, 70mm) ID, 3″ Long Blue 4-Ply Reinforced Silicone 1/2″ Offset Reducer Coupler Hose is one of our steady sellers in Hoses & Fittings, and it ships from the USA.

Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Use constant tension or lined clamps so the hose surface survives heat cycles.
Shops order the 3 long blue 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 3 long blue 4-ply reinforced against it.
The 3 long blue 4-ply reinforced ships protected, because a damaged part helps nobody.
Drivers choose the 3 long blue 4-ply reinforced here for honest specification detail and quick dispatch.
Buyers comparing the 3 long blue 4-ply reinforced will find the specification detail on this page rather than in a catalog footnote.
The 3 long blue 4-ply reinforced listed here is checked against your vehicle before dispatch.
Every 3 long blue 4-ply reinforced order goes through the same fitment review.
The important numbers
- Reinforcement: 4 ply
- Material: Silicone
- Finish: Blue
- Category: Universal Hose
- Price: $39.60 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS 2-1/2″, 2-3/4″ (63mm, 70mm), 3″ Long High Temp 4-ply Reinforced Blue 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: 3″
Offset from the centers: 1/2″
Wall Thickness: 5mm (+/- 0.5mm)
Color: Blue
UV and ozone resistant
Remark: Silicone hose is NOT compatible with fuel or oil.
- Material: 4-Ply Reinforced Silicone
- Color: Blue
- 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-BLUE, HTSOR250275BLUE
Give us the VIN and we will check trim, engine option and drive type, the three details that break fitment.
Customers also open: Hoses & Fittings · HPS 3.12″ (80mm) ID, 4″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · HPS 2.25″ (57mm) ID, 6″ Leg Long Black 4-Ply Silicone 1/2″ Offset Coupler Hose · full catalog
Finished surfaces are wrapped and hardware is bagged, so the part arrives ready to install.
If you want independent guidance before ordering, the fuel economy maintenance guidance is a useful reference.
Questions we get about this part
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.
How quickly can I get this?
Same business day dispatch applies to orders placed before the early afternoon cutoff, with tracking that updates at every carrier scan.
Is there a warranty on this?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
How do you verify this part?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M14 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_ef8cf05a-8f9b-4a44-938e-d86cae0e4307-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M18 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_f414e18f-37ad-4910-8abb-c7f9ac2080bf-300x300.jpg)
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M22 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_84a0bab4-582d-4dc1-a176-6237879f811f-300x300.jpg)
![HPS NPT Allen Plug Fitting [3/8 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_6be249de-b49f-4373-8667-06e8edb296af-300x300.jpg)
Reviews
There are no reviews yet.