G749 Parts List

USMC 00-08

Well-known member
Skiatook, OK
Just a quick update to let everyone know I have not forgot about or abandoned this list. I got a new computer in December that did not come with MS Office. MS Office 2019 is supposed to be released soon and that is the hold up.

I'm thinking about adding exploded views of each component of the G749 in PDF format into the list, but I've got to learn how to do that in Excel. If any of you have ideas or suggestions, please let me know.


Active member
Big Timber, MT
Okay so figured out the air compressor regulator hose assembly. The regulator side is a usdot jounce fitting Parker pn 66rbsv-6-3/4
firewall fitting on the hose is a Parker pn 68rb-6-4
and the usdot rated hose is 271-6-rl
these are not crimp style fittings-they tried to manufacture with crimp fittings, but it didn't crush well with this hose.
This whole hose assembly is a gmc pn#7410812


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