CAT Filters

Caterpillar filters by part number: fuel and water separators such as 326-1643, engine oil filters such as 569-8036, and primary and secondary air filters such as 110-6331.

CAT part numbers are written with a hyphen, but our search finds them with or without it. Each product page shows the number in the title and the SKU, so you can confirm it against the filter you are replacing.

Filters ship FedEx or UPS ground from the closest of our four locations that has them.

CAT Filters

CAT Air Filter Secondary | PN 526-3123

CAT Air Filter Primary | PN 526-3119

CAT Outer Air Filter Element | PN P633607

CAT Oil Filter | PN 462-1171

CAT Oil Filter | PN 569-8036

CAT Filter Element-Wtr Sep & Fuel | PN 523-6604

CAT Filter | PN 565-4266

CAT Filter AS-Water Sep & Fuel | PN 363-5819

CAT Air Filter Primary | PN 110-6326

CAT Fuel Filter | PN 479-4133

CAT Oil Filter | PN 7W-2326

CAT Air Filter Seondary | PN 110-6331

CAT Filter Element Secondary | PN 321-2412

CAT Oil Filter | PN 220-1523

CAT Filter | PN 311-3901

CAT Fuel Water Filter | PN 326-1643

CAT Fuel Element | PN 360-8960

CAT Fuel Filter | PN 441-5111

CAT Filter | PN 339-1048

CAT Element-Separator | PN 5584721

CAT Filter | PN 233-5184

CAT Inline Filter | PN 5256205

CAT Air Filter | PN 551-6183