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DEF filter - lobo2447 - 04-20-2016
Can anybody tell me location of def filter on 2012 peterbilt 386 with Cummings 425st. I have new filter but can't find the old one. Thanks in advance!
RE: DEF filter - scottydogtruck - 04-20-2016
DEF filter is underneath and behind the DEF tank right on the DEF pump....have to remove the plate covering the pump unit, and it is inside the pump unit. When you have the cover off, look for a round cap...that is where the filter is, underneath the round cap....
RE: DEF filter - lobo2447 - 04-21-2016
(04-20-2016 )scottydogtruck Wrote: DEF filter is underneath and behind the DEF tank right on the DEF pump....have to remove the plate covering the pump unit, and it is inside the pump unit. When you have the cover off, look for a round cap...that is where the filter is, underneath the round cap....
Thanks Scottydogtruck, found it.