Donaldson P533723 Air Filter Safety RadialSeal

The Donaldson P533723 is a RadialSeal safety air filter designed to provide critical backup protection for heavy-duty engines in trucks, construction equipment, agricultural machinery, and industrial applications. This secondary air filter serves as an essential safeguard in your air intake system.

Key Features:

• RadialSeal design ensures secure, leak-free installation
• Acts as backup protection in case of primary filter damage or improper installation
• Prevents contaminants from entering the clean side of air intake during primary filter servicing
• Engineered to plug rapidly if contamination bypasses the primary filter, alerting operators to potential issues
• 6.89 inch outer diameter for proper fitment
• Meets ISO 5011 efficiency testing standards

Cross References: John Deere RE63932, Case IH 319469A1, Baldwin RS3717, Fleetguard AF26114, Wix 46983, Hastings AF2280

Donaldson recommends replacing safety filters with every third primary filter change unless primary filter failure has occurred. This ensures continuous engine protection and optimal air filtration performance in demanding operating conditions.