Primary air gauge - replacement/repair
My 2007 Coachman RV had an air leak sound coming from behind the dash. I took the gauge out and found a hairline crack on the plastic body where the air line attaches. It is a Freightliner 12v 2" ...
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Try a Big Rig Salvage Yard. I know where I can lay My hands on this sort of stuff here in BC . expect to pay about one third to one half depending on condition.
