Dorman - HD Solutions Engine Crankcase Breather Element P/N:904-7904
Dorman 904-7902 crankcase breather element for the 2008 Peterbilt 365 6-cylinder 14.9L, the 2008-2009 365 6-cylinder 8.8L, the 2008-2011 365 6-cylinder 10.8L or 12.5L, the 2008-2014 365 6-cylinder 8.9L, the 2011 365 6-cylinder 14.9L, the 2011-2014 365 6-cylinder 11.9L or 12.9L, the 2013 365 6-cylinder 10.8L and other vehicles replaces the crankcase ventilation filter on the engine. It is engineered to restore proper breather performance when the existing filter is missing, cracked or clogged.
A clogged or cracked element can keep the breather from working the way it should. Before you replace this element, rule out other crankcase ventilation parts as the source of what you are seeing.
This breather element is a direct replacement for the 2010-2018 Freightliner M2 106 and the 2008-2009 Peterbilt 320 6-cylinder 12.5L, and each of them takes one.
Fit and size
Build and materials
One crankcase breather element with its filter housing.
Interchange: 840.CF50628
5263190 · CV50628
This part cross-references / interchanges with the following part numbers:
Does the Dorman 904-7902 fit the 2008-2009 Peterbilt 320 6-cylinder 12.5L?
Yes. Dorman 904-7902 fits the 2008-2009 Peterbilt 320 6-cylinder 12.5L and the 2010-2018 Freightliner M2 106, one per vehicle. For any other truck, look it up in the "Vehicles it fits" section.
Does this crankcase breather element come with its housing?
Yes. Dorman 904-7902 is sold as one crankcase breather element, and the filter housing is included.
What is the filter media in this engine crankcase breather element made of?
The filter media is polypropylene and the housing is plastic. The stem outside diameter is 1.2 inches.
How can I tell whether the breather filter on my truck is clogged or cracked?
With the engine off and cool, look over the element for cracks, damage or heavy buildup blocking it. A shop can test the crankcase ventilation system if the cause is still unclear.
Can I clean and reuse the Dorman 904-7902 breather element?
No. Dorman 904-7902 is listed as not reusable, and its filter is not replaceable on its own, so the whole element is replaced.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.