The Donaldson P158665 Air Filter is engineered as a reliable safety backup to protect your engine during primary filter maintenance. Designed to prevent contamination, this genuine Donaldson part meets strict industry standards such as ISO 9001:2015 and is recommended for replacement every third primary filter change.

Features & Benefits

• Provides essential engine protection during filter maintenance
• Acts as a safety backup to prevent contaminants from reaching critical engine components
• Recommended for replacement every third primary filter change
• Backed by an OEM warranty and rigorous ISO testing
• Genuine Donaldson quality for dependable performance

Technical Specifications

• Outer Diameter: Approximately 8.65 inches (221 mm)
• Inner Diameter: Approximately 8.65 inches (177.8 mm)
• Length: Approximately 15.28 inches (388.1 mm)
• Media Type: Safety filter
• Tested to meet ISO 5011 standards for efficiency

Cross References

• AC A378C – AIR REFINER
• AR161 – AIR REFINER
• ARM916
• AMC AE27340
• AMC SFA4745S
• AMERICAN PARTS 436
• AMERICAN PARTS 93745
• BALDWIN PA1797
• BIG A 436
• BIG A 93745
• CANADIAN FILTER CFM257
• CARQUEST 87745
• CATERPILLAR 1P5415
• CATERPILLAR 3I0429
• CATERPILLAR 3S4737
• CATERPILLAR 3S4745
• CATERPILLAR 8S4649
• CHAMP AF745
• CHAMP LAF745
• CHAMPION LABORATORIES AF745
• CHAMPION LABORATORIES LAF745
• COOPERS AZA627
• CYCLONE PMA916HD
• DELUXE 721
• DELUXE AF721
• DIAMOND DX617
• EUROFILTER 2702
• EXMAN AE27340
• EXMAN SFA4745S
• FIAAM FL16434
• FIAAM FL6434
• FIAAM FLI6434
• FILT A2548
• FLEETGUARD AF800
• FLEETLIFE FA3S4745
• FLEETRITE AFR8800
• FRAM CA243

Enjoy fast, reliable service with parts that ship within one business day, are genuine OEM, and require no minimum order. For more trusted air filters, visit our Air Filters collection or explore our Donaldson range.