The Multiquip 8983244980 SCR Assembly is a genuine OEM component designed for the DCA125SSIU4F ultra-silent diesel generator. As a direct factory replacement, this assembly meets the original design requirements of the DCA125SSIU4F emissions system, ensuring the unit continues to operate within compliance standards. Sourced from Multiquip, this part carries the same specification as the component installed at the factory.
Key Features
- Genuine OEM Emissions Integrity — Manufactured to the exact catalytic reduction specification of the original assembly, preserving exhaust aftertreatment performance on the DCA125SSIU4F.
- Direct-Fit Replacement — Engineered to mount in the original SCR housing position with matching inlet and outlet connections, allowing straightforward swaps during scheduled service or failure replacement.
- Confirmed Fitment for DCA125SSIU4F — Verified for the Multiquip DCA125SSIU4F ultra-silent Isuzu-powered Tier 4 Final generator series.
- Sustained NOx Reduction Efficiency — A fully functional SCR assembly maintains the catalytic conversion rate required to keep exhaust NOx levels within Tier 4 Final limits; a degraded unit compromises emissions output and can trigger fault codes that derate or shut down the generator.
- Emissions Compliance Critical Component — The SCR assembly is a regulated aftertreatment part; using a correctly specified OEM replacement is essential to maintaining Tier 4 Final compliance on worksites with emissions requirements.
The SCR (Selective Catalytic Reduction) assembly is a core component of the exhaust aftertreatment system on Tier 4 Final diesel generators. It works by converting nitrogen oxide (NOx) emissions in the exhaust stream into harmless nitrogen and water vapor through a chemical reaction with a diesel exhaust fluid (DEF), reducing the engine's environmental impact and keeping the generator within regulated emissions thresholds. When the SCR assembly degrades or fails, NOx conversion efficiency drops, which can trigger diagnostic fault codes, cause the engine control system to derate power output, and ultimately result in a full generator shutdown until the fault is resolved.
Part Details
| Part Number | 8983244980 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | SCR Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125SSIU4F |
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.
