Ford Focus IV Replacement Air Filters

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

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

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

  1. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
  2. K&N
  3. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
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  5. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
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  7. K&N
  8. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
  9. K&N
  10. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
  11. K&N
  12. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
  13. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
  14. K&N
  15. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
  16. K&N
  17. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
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  19. K&N
  20. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
  21. K&N
  22. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
  23. K&N
  24. K&N Extended Life 24,000 Mile Engine Air Filter - FORD FOCUS IV L3-1.0L F/I
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