If you're just looking for hose most any truck supply outfit can help. If you need the plennum assembly then it gets tricky. I've had good luck with off beat parts at bargain prices with www.millsupply.com their Step Van parts are P30 bargains.
__________________
Glen Coombe AIR #8416
1984 28' Funeral Coach
Former Rolling Showroom & PuttLab (now party bus)
"I'm not an expert. But I did sleep in an Airstream last night."
This website is not affiliated with or endorsed by the Airstream, Inc. or any of its affiliates. Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.