Don't know how much help this will be, but I was crawling under my Roadtrek 190 on a 2000 Dodge V8 318 cu in. Yesterday, trying to make sense of the tanks (fuel, fresh h20, black h20, grey h20), and I jotted the number off what I thought was the fuel tank. Had the same aux part number 52102910AE but diff part number 52127926AG. Then googled to confirm it was the gas tank, and your post popped up. The Roadtrek manual says the gas tank is 35 gal.
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Monday, June 28th, 2010 AT 8:06 PM