One New Aftermarket Replacement Secondary Air Filter Fits Caterpillar (Fits CAT) Backhoe Loaders

This secondary engine air filter serves as the last line of defense in the air filtration system, protecting the engine from dust, dirt, and fine airborne contaminants when the primary filter is being serviced or in the event of a primary filter breach. Designed to Fits Caterpillar (Fits CAT) backhoe loaders, it is a direct aftermarket replacement for OEM part number 4W6691 (also formatted as 4W-6691).

Specifications

• Filter Type: Secondary Engine Air Filter
• Seal Type: Axial Seal
• Efficiency: Standard Efficiency

Compatible Models

Fits Caterpillar (Fits CAT) Backhoe Loaders: 416B, 428B

Replaces Part Number(s):

4W6691, 4W-6691

Aftermarket Interchange Numbers

Fleetguard AF4886; also cross-references as 7W6754

New aftermarket replacement part - not remanufactured, not used.