Inner Safety Air Filter — 11.02 in L × 4.29 in OD × 3.46 in ID SKU: QT53379

This inner safety air filter captures fine dust that passes the outer element, helping protect cylinders and turbo components during everyday field work.

Built for two-stage intake systems, it’s sized for a precise fit to support steady airflow and dependable engine protection.

• Length: 11.02 in (280 mm)
• Outside Diameter: 4.29 in (109 mm)
• Inside Diameter: 3.46 in (88 mm)
• Type: Inner (secondary) air filter element

Installation Tip: Work clean—wipe the air box, seat the inner element fully with seals aligned, tighten any retainers evenly, close the cover, and check the restriction indicator after startup.

A straightforward, dependable inner element to keep airflow steady and engine components protected.