K&N Oil Filters for the Caterpillar 321C

Caterpillar 321C Replacement Oil Filters

Buy now from the K&N Online Store and get a 100% money back guarantee on any oil filter for Caterpillar vehicles or equipment!
  • Outstanding Oil Filtration
  • Designed to protect Caterpillar 321C engines
  • High Oil Flow Rate
  • Heavy Duty Construction
  • Great with Synthetic or Conventional Oil
K&N oil filters for the Caterpillar 321C offer high oil flow rates while providing outstanding filtration. K&N oil filters are designed to work with all grades of synthetic, conventional and blended motor oils.
K&N Premium Oil Filters
Vehicle DescriptionPart NumberProduct Image 
Caterpillar 321C - OEM 1R0739
Caterpillar 321C Engine Oil Filter
HP-8001 HP-8001 Caterpillar 321C Premium Oil Filter
List Price: $57.39
Factory Direct Price: $43.99

Order your K&N Caterpillar 321C oil filter Factory Direct today! Get more information about K&N oil filters on our oil filter page.