Caterpillar 307B Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Caterpillar 307B air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Caterpillar 307B Models
  • K&N Million Mile Limited Warranty┬«

Order your K&N replacement air filter Factory Direct today! Help your Caterpillar 307B run better. Fast and FREE SHIPPING with any Caterpillar 307B air filter

  1. Caterpillar 307B air filter
    S/N 7DZ1-up, AFB1-up
    $58.99
    E-4962
    K&N
    Out of stock
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