Often called the pre-filter since it is placed on the air line
just prior to the air dryer, a coalescing filter removes oil,
particles and moisture before it can come in contact with the
desiccant in the dryer and ruin it.
Search below for your Donaldson Coalescer Filter replacement to
find the matching filter replacement needed.
If you have questions about how to find a coalescer filter
replacement or don't see the coalescer filter you need, call our
knowledgeable customer service team toll-free: 866-650-1937.