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Hi first time posting and looking for information on shutting off the coolant flow to the dpf and scr on my demandated peterbilt 587 2013. When I was under the truck there are 2 3/4 inch hoses one is green the other blue. My question is can I put a shut off there? I just had enough of coolant leaks for something that is visual only. Thank you

why not just put them together to each other with a single fitting?.

Thanks for reply I just thought for looks it would be easier for me to hide them..
Lol but I will do what you suggest and be done with it. Thank you