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Old 04-21-2014, 07:51 PM   #1
Senior Member
Join Date: Apr 2014
Posts: 212
Viair 400P-RV

Hey all,

Just picked up my coach today (Yay !) and one of the first things I noticed was adding air to the outside rear tire would be a pain (E450 chassis). The inside rear tires have valve extenders on them, the outside rear tire has a valve that sorta points inward. Can't really get my hand in there to add one of those 180 degree valve extenders, and I don't feel like pulling everything apart already.

I knew I needed a portable air compressor to keep my tires in tip top shape while camping. So I was going to grab a Viair 400P-RV anyway. In looking closer at the unit, it has a 45 degree extension chuck - seems like just the added tool I'm looking for to get to that stem.

Anybody use this piece of kit? Looks like it checks the boxes I need.

VIAIR Corporation - 400P-RV Automatic Portable Compressor (P/N 40047)

2015 Jayco Greyhawk 29MV
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Old 04-23-2014, 06:57 PM   #2
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Workhorse Chassis Owner
Join Date: Nov 2009
Location: Angeles National Forest, LA Calif.
Posts: 1,097
Yup, that is what you need. Fits inside and outside valve stems.
Mark & Carole RVM54
What a long strange trip it's been
2002 Fourwinds 5000 26Q 496 ci. Chevy towing 2004 Jeep Wrangler,2016 Starcraft AR One 18', 2016 F-150
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