Multiquip 8975109770 Dosing Control Unit

The Multiquip 8975109770 Dosing Control Unit is a genuine OEM component designed for the DCA125SSIU4F ultra-silent diesel generator. As a direct Multiquip OEM part, it meets the exact specifications required by the emissions and fluid management system on this machine. Sourced directly from the manufacturer, the part is the correct replacement when the dosing control unit on your DCA125SSIU4F requires service or exchange.

Key Features

• Genuine OEM Emissions Calibration — engineered to the exact control logic and output tolerances required by the Tier 4 diesel emissions system on the DCA125SSIU4F.
• Direct Drop-In Replacement — matches the original mounting configuration and electrical connector interface, allowing straightforward installation without system modification.
• Confirmed Fitment for DCA125SSIU4F — validated for the DCA ultra-silent Isuzu Tier 4 Final generator series; always verify your model and serial number before ordering.
• Emissions System Integrity — a correctly functioning dosing control unit keeps the DEF/SCR system operating within regulatory parameters, preventing fault codes and unplanned shutdowns.
• Regulatory Compliance — the dosing control unit is a critical emissions component; using the correct OEM part helps maintain Tier 4 Final compliance on regulated jobsites.

The dosing control unit manages the precise delivery of diesel exhaust fluid (DEF) into the selective catalytic reduction (SCR) system on Tier 4 Final diesel engines. It monitors exhaust temperatures and system feedback to regulate DEF injection rates, ensuring nitrogen oxide (NOx) emissions stay within required limits. When this unit fails or malfunctions, the generator may trigger fault codes, enter derate mode, or shut down entirely — making timely replacement essential to keeping the machine operational and compliant.

DHS Equipment supplies genuine Multiquip OEM parts including the 8975109770 Dosing Control Unit. Contact our parts team to confirm fitment for your DCA125SSIU4F and get the right part the first time.

Part Details

Compatibility & Fitment

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.