Pre-Filters

With five layers of progressively finer mesh cotton gauze media between 100% polyurethane top and base, the aFe Pro 5R heavy duty oiled cylindrical performance filter provides excellent airflow for maximum horsepower and torque for Kenworth and Peterbilt...

With five layers of progressively finer mesh cotton gauze media between 100% polyurethane top and base, the aFe Pro 5R heavy duty oiled cylindrical performance filter provides excellent airflow for maximum horsepower and torque for Kenworth and Peterbilt...

With five layers of progressively finer mesh cotton gauze media between 100% polyurethane top and base, the aFe Pro 5R heavy duty oiled cylindrical performance filter provides excellent airflow for maximum horsepower and torque for Kenworth and Peterbilt...

With five layers of progressively finer mesh cotton gauze media between 100% polyurethane top and base, the aFe Pro 5R heavy duty oiled cylindrical performance filter provides excellent airflow for maximum horsepower and torque for Kenworth and Peterbilt...

With three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, the aFe Pro DRY S heavy duty oil-free conical performance filter provides excellent airflow for maximum horsepower and torque for RV motor homes with...

With five layers of progressively finer mesh cotton gauze media between 100% polyurethane top and base, the aFe Pro 5R heavy duty oiled cylindrical performance filter provides excellent airflow for maximum horsepower and torque for Kenworth and Peterbilt...

This filter features seven layers of hybrid media for maximum protection. The patented combination of oiled cotton gauze with synthetic material allows this media to thrive in the dustiest and dirtiest environments imaginable. Pro-GUARD 7 filters are...

The "Inverted design of this unique OE replacement filter fully utilized the space in the stock air box to provide the most filter media of any "drop-in OE replacement filter. With seven layers of progressively finer mesh cotton gauze/synthetic media,...

Magnum FLOW Inverted Replacement Air Filter (IRF) w/ Pro GUARD 7 Media Dodge Diesel Trucks 94-02 L6-5.9L (td)This Part Fits:YearMakeModelSubmodel1994-2002DodgeRam 2500Base1994-2002DodgeRam 3500Base

Magnum FLOW OE Replacement Air Filter w/ Pro GUARD 7 Media Ford Diesel Trucks 20-21 V8-6.7L (td)This Part Fits:YearMakeModelSubmodel2020-2021FordF-250 Super DutyKing Ranch2020-2021FordF-250 Super DutyLariat2020-2021FordF-250 Super...

Pro GUARD7 Media: This filter features 5-layers of progressively Finer Oiled Cotton Gauze and 2-layers of Finer Porosity Synthetic non-woven media for highest filtration efficiency for extreme dust environments. (US PAT 06811588) Rounded Open Pleats: aFe...

Pro GUARD7 Media: This filter features 5-layers of progressively Finer Oiled Cotton Gauze and 2-layers of Finer Porosity Synthetic non-woven media for highest filtration efficiency for extreme dust environments. (US PAT 06811588) Rounded Open Pleats: aFe...

Constructed with 100% polyurethane on all four sides, this high flow oiled OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media and two layers of...

Pro GUARD7 Media: This filter features 5-layers of progressively Finer Oiled Cotton Gauze and 2-layers of Finer Porosity Synthetic non-woven media for highest filtration efficiency for extreme dust environments. (US PAT 06811588) Rounded Open Pleats: aFe...

Constructed with 100 polyurethane on top and bottom, or all four sides, this high flow oiled OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Seven layers of progressively finer mesh cotton gauze and...