Wacker Neuson 5000074737 Air Filter Insert Complete

The Wacker Neuson Air Filter Insert Complete is a genuine OEM component designed for CT36 and CT48 series walk-behind concrete power trowels and PT3A series centrifugal trash pumps. As a direct OEM replacement, this air filter insert is manufactured to the same specification as the part originally installed at the factory, ensuring correct fitment and consistent engine protection across every compatible model. Verified fitment extends across the CT36-8A, CT36-8A-V, CT48-8A, CT36AGP, CT36AGT, CT36AVP, CT36AVT, CT48ADP, CT48ADT, and CT48ADT-E trowel variants, as well as the PT3A and PT3A(I) trash pump series. Keeping this filter in good condition is one of the most cost-effective maintenance steps you can take to protect the engine in these machines.

Key Features

• Genuine OEM Filtration Media — Manufactured to the same pore-density and particle-capture specification as the original, maintaining the engine's designed air-fuel ratio and protecting internal components from abrasive dust and debris.
• Drop-In Housing Fit — Engineered to seat flush within the OEM air filter housing with no trimming or shimming, ensuring a complete seal around the filter element and preventing unfiltered air bypass.
• Broad Model Coverage — Compatible with CT36 and CT48 walk-behind concrete power trowel variants and the PT3A centrifugal trash pump series, making it a practical stocking part for crews running multiple Wacker Neuson machines.
• Engine Longevity — A clogged or damaged air filter starves the engine of clean air, causing rich-running conditions, increased fuel consumption, and accelerated cylinder wear; a fresh 5000074737 restores proper airflow and extends engine service life.
• Routine Maintenance Interval Part — Designed to be inspected and replaced as part of scheduled service, this insert supports a straightforward maintenance routine that keeps engines running cleanly in dusty concrete finishing and pump jobsite environments.

The air filter insert is the engine's first line of defense against airborne contaminants — dust, concrete particulate, and debris — that are unavoidable on finishing and pumping jobsites. It works by trapping particles in the filter media before they can enter the carburetor and combustion chamber, where even fine grit causes accelerated wear on pistons, rings, and cylinder walls. When the insert becomes saturated or torn, airflow restriction causes hard starting, rough running, and elevated fuel consumption; in severe cases, unfiltered air bypasses the element entirely and allows abrasive material into the engine. Regular replacement of the air filter insert with a correct-specification part like the 5000074737 is one of the simplest and most effective ways to protect the engine investment in your power trowel or trash pump.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.