The Multiquip 8983296050 Dosing Control Unit is a genuine OEM component designed for DCA400SSI4F, DCA400SSI4F3, and DCA400SSI4F3PB super-silent diesel generators. As a direct OEM replacement, this unit is sourced and validated to the exact specifications of the original part, ensuring a correct, compatible installation on your machine. Verified fitment covers the DCA400SSI4F series, including the 4F3 and 4F3PB configurations. DHS Equipment stocks this part to keep your generator operating at peak compliance and efficiency.
Key Features
- Genuine OEM Emissions Accuracy — Manufactured to the precise dosing output specifications required for correct DEF injection and Tier 4 Final emissions compliance on DCA super-silent generators.
- Direct-Fit Replacement — Engineered as a drop-in replacement for the original dosing control unit; connects directly to the existing wiring harness and DEF system without adaptation.
- Confirmed Fitment for DCA400SSI Series — Compatible with DCA400SSI4F, DCA400SSI4F3, and DCA400SSI4F3PB diesel-powered super-silent generators.
- Maintains Proper DEF Dosing Function — A correctly functioning dosing control unit regulates urea injection into the exhaust aftertreatment system; a failed unit causes fault codes, derated output, or generator shutdown.
- Emissions System Compliance — Replacing a failed dosing control unit with a genuine OEM part is critical to restoring Tier 4 Final compliance and avoiding regulatory issues on governed jobsites.
The dosing control unit manages the precise delivery of diesel exhaust fluid (DEF) into the exhaust aftertreatment system as part of the selective catalytic reduction (SCR) emissions control process. It receives signals from engine and exhaust sensors to calculate and regulate the correct amount of DEF injected to convert harmful nitrogen oxides into nitrogen and water vapor. When this unit fails or malfunctions, the generator may display fault codes, enter a derated power mode, or shut down entirely to prevent emissions violations — making prompt replacement essential to restoring full generator output and regulatory compliance.
Part Details
| Part Number | 8983296050 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Dosing Control Unit |
Compatibility & Fitment
| Name | Model |
|---|---|
| Super-Silent Generators | DCA400SSI4F |
| Super-Silent Generators | DCA400SSI4F3 |
| Super-Silent Generators | DCA400SSI4F3PB |
| Super-Silent Generators | DCA400SSI4F/4F3/4F3PB |
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.
