The Donaldson P539474 Air Filter is designed as a safety backup filter to protect your engine during primary filter changes. Its rapid plugging action notifies you early of potential contamination and improves overall engine performance. This safety filter is a key part of proactive maintenance and should be replaced every third primary filter change.

Technical Specifications

• Length: 393.7 mm / 15.5″
• Overall Diameter: 141.2 mm / 5.56″
• Internal Diameter: 112.7 mm / 4.44″
• Media Type: Safety, meeting ISO 5011 standards

How It Benefits Your Engine

• Serves as a dependable backup during primary filter servicing
• Offers a rapid plugging response to alert you of contamination
• Facilitates cost-effective maintenance by safeguarding engine components

Warranty & Authenticity

• Brand-new, authentic, and unused
• Packaged in original retail/manufacturer packaging
• Ships within 1 Business Day with no minimum order requirement

At Everything Truck Parts, we combine quality, reliability, and exceptional customer service, backed by over 35 years of experience. For additional Donaldson filters, visit our Donaldson collection and check out our range of Air Filters for more options that meet your vehicle's needs.