Thread: What’s this?
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Old 10-18-2017, 10:51 AM   #2
BuilderBob
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Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
That is the anti back flow valve for your black water flush line you should replace it with a brass one before it leaks and floods your rig they like to fall apart.

Bob & Carol
Tacoma WA
2017 352RL 2008 Dodge 3500 DRW crew cab 4x4 6.7L
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