Multiquip 37535 Primary Engineaire 3-E1 Filter

The Multiquip 37535 Primary Engineaire 3-E1 Filter is a genuine OEM air filtration component designed for the MTX50HD rammer. As a factory-sourced part, 37535 delivers the exact filtration media, dimensional fit, and sealing characteristics specified for this machine. Verified for the MTX50HD, this filter installs directly into the factory air cleaner housing without modification.

Key Features

• Genuine OEM Filtration Media — Factory-sourced filter element with the exact pore rating and media density required to protect the GX100 Honda engine on the MTX50HD from airborne contaminants.
• Direct Housing Fit — Engineered to seat flush within the Engineaire 3-E1 air cleaner housing, ensuring a complete seal with no air bypass around the element.
• MTX50HD Rammer Compatibility — Confirmed fitment for the Multiquip MTX50HD tamper, making part selection straightforward for service technicians and operators alike.
• Engine Protection at Every Cycle — A properly functioning primary filter keeps fine dust and debris out of the combustion chamber, sustaining compression and fuel efficiency across demanding compaction cycles.
• Fuel System Safety — Clean intake air prevents abrasive particles from reaching the carburetor jets and intake valves, reducing the risk of uncontrolled fuel metering or engine seizure on site.

The primary air filter is the engine's first line of defense against dust, silica, and debris generated during soil and trench compaction work. It captures airborne particles before they can enter the carburetor and combustion chamber, where even fine grit causes accelerated wear on piston rings and cylinder walls. When the primary filter becomes clogged or damaged, airflow restriction causes the engine to run rich, lose power, and overheat — and a compromised seal allows contaminants to bypass filtration entirely, shortening engine life significantly.

For questions about fitment or to confirm this is the correct filter for your machine, contact the DHS Equipment parts team before ordering.

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.