The Multiquip DZ113662 DEF Tank is a genuine OEM component designed for DCA150SSJU4F3, DCA180SSJU4F3, DCA220SSJU4F3, and DCA300SSJU4F3 series ultra-silent diesel generators. As a direct OEM replacement, this tank is manufactured to the same standards as the original unit, ensuring a correct fit within the DEF (Diesel Exhaust Fluid) system of your generator. Confirmed fitment spans both standard and 60Hz configurations across the DCA Super-Silent generator lineup, including PD variants.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original specifications, with material grade and capacity matched exactly to the DEF system requirements of these generators.
- Drop-In Replacement — Mounts and connects in the same position as the original tank, with matching port locations and hardware interfaces for a straightforward installation.
- Broad DCA Series Fitment — Compatible with DCA150SSJU4F3, DCA180SSJU4F3, DCA220SSJU4F3, DCA300SSJU4F3, and DCA300SSJU4F3PD models across standard and 60Hz configurations.
- Emissions System Integrity — A properly functioning DEF tank keeps the Selective Catalytic Reduction (SCR) system supplied, maintaining Tier 4 emissions compliance and preventing fault codes that can de-rate or shut down the generator.
- Emissions Compliance Assurance — Replacing a cracked, leaking, or failed DEF tank with a genuine OEM unit helps preserve the generator's Tier 4 Final emissions certification, which is a regulatory requirement on many job sites.
The DEF tank stores Diesel Exhaust Fluid, which is injected into the exhaust stream as part of the Selective Catalytic Reduction system used on Tier 4 Final diesel engines. This process converts harmful nitrogen oxide emissions into harmless nitrogen and water vapor, keeping the generator compliant with EPA emissions standards. A damaged or leaking DEF tank will interrupt fluid supply to the SCR system, triggering fault codes, engine de-rating, or a full shutdown — making timely replacement critical to keeping the generator operational and compliant.
Part Details
| Part Number | DZ113662 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | DEF Tank |
Compatibility & Fitment
| Name | Model |
|---|---|
| Super-Silent Generators | DCA180SSJU4F3 |
| Diesel Powered Generators | DCA300SSJU4F3PD 60Hz |
| Diesel Powered Generators | DCA180SSJU4F3 (60HZ) |
| Diesel Powered Generators | DCA220SSJU4F3 60Hz |
| Super-Silent Generators | DCA150SSJU4F3 |
| Super-Silent Generators | DCA220SSJU4F3 |
| Super-Silent Generators | DCA300SSJU4F3 |
| Super-Silent Generators | DCA300SSJU4F3PD |
| Diesel Powered Generators | DCA150SSJU4F3 (60HZ) |
| Diesel Powered Generators | DCA300SSJU4F3 60Hz |
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.
