burghere66 Posted February 2, 2020 Share Posted February 2, 2020 (edited) I am looking to replace the air intake hose that comes down from the top rear of my coach to the air cleaner. Mine has a tear in it that I have patched with duck tape. I have not measured it yet but I think it's about 6 in in diameter and several feet long. I was unable to find it in our parts listing on this site and have searched for it at two diesel repair shops with no success. Can anyone help me find a supplier for this hose? Gary B. 2002 Windsor PBDD OK, I found a section in our Parts Listing that gives me 4 sources for intake hoses to my engine air filter. They have a lot of different types of hoses available. What I am unsure of is what characteristics to look for in a replacement hose. If anyone knows which type of hose to use please let me know. Gary B. 2002 Windsor PBDD Edited February 2, 2020 by burghere66 New info Link to comment Share on other sites More sharing options...
just_john1 Posted February 2, 2020 Share Posted February 2, 2020 When I got my coach 4 years ago, my tube was missing. So I went to lowes and got some 6" duct pipe. Fit slicker than frogs fur. I know it is suppose to be smooth inside, but what can you do. Just John 97 Dynasty 40', 2006 Jeep Link to comment Share on other sites More sharing options...
Dr4Film Posted February 2, 2020 Share Posted February 2, 2020 I replaced mine last spring before our yearly trek up north plus installed a new air filter at the same time. I also discovered a tear in the side while doing maintenance on the engine. It was 7 inch RFH Hose and I purchased a 2 foot section from an eBay supplier. Here is the link to the supplier. https://tinyurl.com/udymz7j This same supplier has other diameters also on eBay. I would definitely remove what you have and measure it before ordering to make sure you get the correct diameter and length. The new stuff is quite stiff so I used some Kentucky-windage in my measurement. I didn't have to trim anything off as the ends compressed onto the connections of the air supply duct in the rear cap and the air filter. The only thing I had to do was to relocate the gas spring location somewhat because that was what caused the tear in the air supply hose originally as it turns out. Link to comment Share on other sites More sharing options...
Bob Nodine Posted February 2, 2020 Share Posted February 2, 2020 9 hours ago, burghere66 said: I am looking to replace the air intake hose that comes down from the top rear of my coach to the air cleaner. Mine has a tear in it that I have patched with duck tape. I have not measured it yet but I think it's about 6 in in diameter and several feet long. I was unable to find it in our parts listing on this site and have searched for it at two diesel repair shops with no success. Can anyone help me find a supplier for this hose? Gary B. 2002 Windsor PBDD OK, I found a section in our Parts Listing that gives me 4 sources for intake hoses to my engine air filter. They have a lot of different types of hoses available. What I am unsure of is what characteristics to look for in a replacement hose. If anyone knows which type of hose to use please let me know. Gary B. 2002 Windsor PBDD Gary, Take a look at the link below for McMaster-Carr. I have ordered lots of stuff from them over the years in small quantities and they do deal with individuals and will take a credit card for payment. I have found them to be a good source for battery terminals and cable when I was making my own cables. https://www.mcmaster.com/duct-hose Link to comment Share on other sites More sharing options...
Paul J A Posted February 2, 2020 Share Posted February 2, 2020 Gary I replaced all my intake ducting with components from intakehoses.com. on a ISX 525 Cummins in our 07 Executive, AFTER the 5 year warranty. I did a lot of research and talked to a lot of knowledgeable people on the subject. That ducting causes air friction due to its construction and bends in it as used in our coaches. Class 8 trucks do not use it. They ALL use rubber fittings and/or aluminum tubing, which i purchased from intakehoses.com. That is what i converted to, and i will tell you the difference in performance was great. At that same time, i replaced my muffler with a straight thru resonator from dynaflexproducts.com. They are the largest MFG. of Class 8 truck exhaust components in the U S A. I also replaced the OEM Air Cleaner with one from AFE, Advanced Flow Engineering out of Ca. The A C is not on their web site . You have to call them. Overall performance was great and fuel economy went up 1 MPG "cruising". Bottom line; More CFM of air to engine, and NO back pressure in the Exhaust. And NO negative effect on Turbo. I did all of the above in 7-2011. The photo is of the Aladdin screen during one phase of traveling we did. I cruise at 60-62 MPH, 1350 RPM. Paul A Link to comment Share on other sites More sharing options...
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