The Multiquip 50638300 Secondary Air Filter is a genuine OEM component designed for MQ600H, MQ600HTB, and MQ600HTP trash pumps. As a factory-authorized replacement, this filter meets the exact specifications set by Multiquip, ensuring your pump's engine receives properly filtered air without compromise. Sourced directly from Multiquip, the 50638300 is a direct-fit replacement that installs into the air filtration system exactly as the original. If you're running any of the MQ600H-series trash pumps, this is the confirmed compatible secondary air filter for your machine.
Key Features
- Genuine OEM Filtration Media — Manufactured to Multiquip's exact filtration specification, ensuring the secondary stage captures fine particulates that bypass the primary filter and reach the engine intake.
- Direct-Fit Replacement — Engineered to seat correctly within the air cleaner housing of MQ600H-series trash pumps, with no trimming or adaptation needed during installation.
- Confirmed Fitment for MQ600H Series — Verified compatible with MQ600H, MQ600HTB, and MQ600HTP trash pump models.
- Engine Protection Where It Counts — A functioning secondary air filter prevents fine dust and debris from reaching the carburetor and cylinder; a degraded filter accelerates engine wear and can cause hard starting or power loss.
- Routine Service Compliance — Replacing the secondary air filter at manufacturer-recommended intervals keeps the engine air supply clean and combustion consistent, particularly in dusty or debris-heavy pump-out environments.
The secondary air filter serves as the final barrier between the outside environment and the engine's air intake system. While the primary filter captures larger debris and dust particles, the secondary filter catches fine contaminants that pass through, protecting the carburetor and engine internals from abrasive wear. When this filter becomes clogged or deteriorates, airflow to the engine is restricted, leading to rough running, increased fuel consumption, and accelerated internal engine wear — making timely replacement a critical part of routine pump maintenance.
For questions about fitment or to confirm this is the right part for your equipment, contact the DHS Equipment team directly.
Part Details
| Part Number | 50638300 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Secondary Air Filter |
Compatibility & Fitment
| Name | Model |
|---|---|
| Trash Pumps | MQ600H |
| Trash Pumps | MQ600HTB |
| Trash Pumps | MQ600HTP |
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.
