The Multiquip EE61206 Breather Vent 3/8 NPT Polyethylene is a genuine OEM component designed for DEFTANK1, DEFTANK2, and DEFTANK302 MQ Power Fuel and DEF Tank units. This direct-replacement vent maintains proper tank pressure balance and prevents vacuum buildup during fluid draw, keeping your fuel and DEF storage system operating as intended. Sourced directly from Multiquip, the part matches the original specification for thread size, material, and venting performance. Confirm your model code against DEFTANK1, DEFTANK2, or DEFTANK302 before ordering to ensure a correct fit.
Key Features
- Genuine OEM Polyethylene Construction — Manufactured from chemical-resistant polyethylene rated for both diesel fuel and DEF fluid exposure, maintaining integrity where lesser materials can degrade or become brittle.
- 3/8 NPT Thread Specification — Threaded to the exact 3/8 NPT standard of the original fitting, allowing direct installation into the tank port without thread adapters or modifications.
- Verified Fitment for DEFTANK Series — Confirmed compatible with DEFTANK1, DEFTANK2, and DEFTANK302 MQ Power Fuel and DEF Tank models.
- Maintains Proper Tank Pressure Balance — Allows controlled airflow into the tank as fluid is dispensed, preventing vacuum lock that can restrict flow or stress tank walls.
- Fluid Contamination Protection — The vent design filters incoming air to reduce the introduction of airborne particulates into stored fuel or DEF fluid, protecting downstream equipment and fluid quality.
A tank breather vent allows air to enter a sealed fluid storage tank as liquid is drawn out, equalizing internal pressure and preventing a vacuum from forming. Without a functioning vent, negative pressure builds inside the tank and can slow or stop fluid flow entirely — or place mechanical stress on the tank structure itself. On DEF tanks in particular, a blocked or failed vent can also introduce contamination risk during refill cycles, making timely replacement of a worn or cracked vent an important part of routine tank maintenance.
Part Details
| Part Number | EE61206 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Breather Vent 3/8 NPT Polyethylene |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Power Fuel and DEF Tanks | DEFTANK1 |
| MQ Power Fuel and DEF Tanks | DEFTANK2 |
| MQ Power Fuel and DEF Tanks | DEFTANK302 |
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.
