Buick GS 400 Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Buick GS 400 air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Buick GS 400 Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Buick GS 400 run better. Fast and FREE SHIPPING with any Buick GS 400 air filter

  1. 1969 Buick GS 400 400 V8 CARB air filter
    Special Price €76.19 Regular Price €101.59
    E-1450
    K&N
  2. 1968 Buick GS 400 400 V8 CARB air filter
    Special Price €76.19 Regular Price €101.59
    E-1650
    K&N
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