Onan Emerald 4.5 BGD Replacement Air Filters

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  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Onan Emerald 4.5 BGD Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Onan Emerald 4.5 BGD run better. Fast and FREE SHIPPING with any Onan Emerald 4.5 BGD air filter

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