Multiquip 8981705942 EGR Valve Assembly DCA400SSIU4I

The Multiquip 8981705942 EGR Valve Assembly DCA400SSIU4I is a genuine OEM component designed for the DCA400SSIU4I ultra-silent diesel generator. Sourced directly from Multiquip, this assembly matches the exact specifications of the original unit installed at the factory, ensuring a correct, trouble-free installation. If your DCA400SSIU4I is showing signs of rough idle, increased emissions, or reduced engine efficiency, the 8981705942 EGR Valve Assembly is the correct OEM-specified replacement to restore proper engine operation.

Key Features

• OEM Emissions Circuit Integrity — Built to the exact valve travel, seat geometry, and flow characteristics required by the Isuzu diesel engine in the DCA400SSIU4I, preserving proper exhaust gas recirculation function.
• Direct-Mount Replacement — Matches the original port configuration and mounting bolt pattern, allowing the assembly to swap in using standard hand tools without fabrication or adapter fittings.
• Confirmed Fitment for DCA400SSIU4I — Verified specifically for the DCA400SSIU4I ultra-silent generator series; always cross-reference your model code before ordering.
• Restores Stable Engine Performance — A functioning EGR valve maintains correct combustion temperatures and air-fuel ratios; a failed valve can cause rough idling, increased fuel consumption, and fault codes that take the generator offline.
• Emissions System Compliance — As a critical component of the exhaust gas recirculation system, replacing this assembly with a genuine OEM part supports the generator's designed emissions compliance profile.

The EGR (Exhaust Gas Recirculation) valve assembly controls the routing of a measured portion of exhaust gas back into the engine's intake manifold. This process lowers peak combustion temperatures, which reduces nitrogen oxide (NOx) emissions and helps the engine meet environmental standards. When the EGR valve sticks open, closes incorrectly, or fails entirely, the engine can experience rough running, excessive smoke, increased fuel consumption, or trigger diagnostic fault codes — any of which can force an unplanned shutdown on a critical power generation application.

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.