10 bestDiesel Air Filterof January 2026
112M consumers helped this year.
1
K&N RG-1001RD Universal Clamp-On Air Filter: Round Tapered, 102 mm/89 mm/76 mm Flange ID, 127 mm Height
K&N
9.9
2
Motorcraft FA1778 Air Filter
Motorcraft
9.8
3
K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 7 In, Flange Length: 1.75 In, Shape: Round Tapered, RU-1032
K&N
9.5
4
FRAM CA10261 Extra Guard Air Filter Fits Select Ram, Dodge, Model Years
Fram
9.3
5
K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 6 In, Filter Height: 8 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-1044
K&N
9.0
Other
Ecogard XA4622 Air Filter
K&N RU-2805XD Universal Clamp-On Air Filter: Round Tapered; 5 in (127 mm) Flange ID; 8 in (203 mm) Height; 6.5 in (165 mm) Base; 4.25 in (108 mm) Top
BD Diesel 1401604 High Flow Washable Air Filter 4 in. Inlet Fit w/Scorpion Turbo Kit High Flow Washable Air Filter
ACDelco GM Original Equipment A3244C Air Filter
15% off
6
Cartman Clamp-On Engine Air Filter, Fit Intake Tube with 3/3.5/4in Diameter, Premium High Performance Replacement Filter, Washable and Reusable, Round Tapered, Red
CARTMAN
8.7
23% off
7
Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-8131, Black
Spectre
8.5
8
AIRAID 851-357 Direct Replacement Premium Dry Air Filter
Airaid
8.2
9
ECOGARD XA11843 Premium Engine Air Filter (Set of 2) Fits Mercedes-Benz ML350 3.0L DIESEL 2012-2015, GL350 3.0L DIESEL 2013-2016, S350 3.0L DIESEL 2012-2013, GLS350d 3.0L DIESEL 2017
EcoGard
7.9
10
Volant 5152 Primo 8 Layer Diesel Filter
Volant
7.7
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