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Black Silicone Hose, 1 3/4 x 1 1/2 inch Straight Reducer

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Brand: Pegasus Auto Racing Supplies

Tough, reliable and temperature resistant from -50° C to +200° C (-58° F to +392° F). This hose is built for endurance and performance in custom coolant and turbo intake plumbing applications where a tough and secure flexible connection is required. Black silicone rubber construction with 3-ply reinforcement and smooth "wipe down" finish. All of our silicone hoses are hand crafted and quality inspected to the highest European standards.

Straight reducers are approximately 4 inches long overall. Use with our Aluminum Splicing Nipples (Part No. HJ38 and HJ45) and Lined Hose Clamps (Part No. 3613-2.25) to construct the exact bends and lengths you need. This size is rated over 40 psi working pressure and 225 psi burst pressure.

Note: This hose is NOT formulated for use in oil or fuel plumbing applications. It will survive occasional spills and oil leaks, but it will not stand up to continuous exposure to petroleum.

Part No.
Stock Status

Condition: New

1 to 5: $12.99 

6 to 35: $11.78 

36 & up: $10.56 

In Stock

excellent product.


these are so much better than the standard rubber radiator hose.




Perfect for its purpose


I couldn't find anything similar anywhere else to do what my build called for. the new cheaper aluminum radiators offered for my truck for some reason use a 1-3/4" outlet on the lower, and my hose is a for the original 1-1/2" outlet. with this I was able to correct my problem and not have my hose over stretched; my hose looked like it was being choked. I can continue my resto build with no worry's now, thanks to this piece.


Detroit, MI


Great product would buy again.


Used this reducer to connect an aluminum radiator to my flathead V8 in my 29 Ford coupe. Perfect for my needs, nice finish, great quality, I purchased the correct clamps by advice of the technician who helped me and I'm glad i did. I couldn't have made a better choice. THANK YOU..... Ron

Flathead Ron

Sacramento California


Black Silicone Hose, 1 3/4 x 1 1/2 inch Straight Reducer

5.0 3