K&N parts matching Donaldson P550521 oil filter

The Donaldson P550521 oil filter cross references with the K&N oil filter parts below. K&N offers compatible oil filters for many Donaldson oil filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Oil Filter
  • High Flow Filter Media Designed to Improve Performance
  • Provides Outstanding Filtration
Linda, Russian River
Got this filter (PS-7004 oil filter) instead of Dealer Filter.  I have changed it out with the same.  It wore great! Easy to install, Quality material.
Meng Lim, Fremont, California
It looks good! This is my first time installed and very easy.
Jeff Stickel, Springfield, Virginia
All my cars and bikes have K&N air filters and now all my cars and bikes will have K&N oil filters. Excellent product, excellent price for quality. THANKS
PS-7004 K&N PS-7004 Oil Filter
List Price: $13.99
Your Price: $11.99
K&N Oil Filter
  • High Flow Filter Media Designed to Improve Performance
  • Provides Outstanding Filtration
Jim A, Seattle, Washington
Fast shipping. Great filter.
Harold Fichter, Colorado Springs, Colorado
Easy install; works great.
Mark Nash, Texas
Fantastic all around service for using, first time, your company website. Everything was ordered, paid, shipped without problems
PS-7008 K&N PS-7008 Oil Filter
List Price: $11.09
Your Price: $8.99