Caterpillar GP20N Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Caterpillar GP20N air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Caterpillar GP20N Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Caterpillar GP20N run better. Fast and FREE SHIPPING with any Caterpillar GP20N air filter

  1. Caterpillar GP20N air filter
    $49.99 Regular Price $39.99 Special Price
    E-4961
    K&N
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