John Deere SAU15985 is a genuine OEM secondary air filter element engineered for John Deere engines equipped with a secondary air injection (SAI) system. This replaceable filter element helps maintain clean secondary air flow, protecting the engine from dust and debris and supporting consistent performance between service intervals.

Key Features

• Direct OEM replacement for John Deere engines with the secondary air injection system.
• Multi-layer filtration media designed to capture fine particulates before entering the secondary air circuit.
• Rigid support structure to maintain shape and seal under vibration and thermal cycles.
• Simple, tool-free installation in the air-cleaning housing, with a precise fit to prevent bypass leaks.
• Helps preserve engine performance and reduce maintenance disruptions by preventing intake contamination.

Product Details

• Part Number: SAU15985
• Type: Secondary air filter element
• Materials: Multi-layer filtration media with durable outer shell and core support
• Intended Use: Secondary air filtration in John Deere air-injection systems
• Installation: Replaces existing SAU15985 element; ensure correct seating and seal in the housing

Compatibility

• Compatible with John Deere equipment that specifies SAU15985 as the secondary air filter element
• Not recommended for use in equipment outside the John Deere SAU15985 compatibility scope unless explicitly listed in the parts catalog