Multiquip 6251113100 Injector Assembly SAA6D125E-5 DCA-300SSK4

The Multiquip 6251113100 Injector Assembly SAA6D125E-5 DCA-300SSK4 is a genuine OEM fuel injector assembly designed for the DCA-300SSK4 ultra-silent diesel generator equipped with the Komatsu SAA6D125E-5 engine. This is a direct OEM replacement sourced through Multiquip's authorized parts supply, ensuring the component matches the original specification for the SAA6D125E-5 engine platform. Correct injector fitment is critical on high-output generator sets like the DCA-300SSK4, where fuel delivery precision directly impacts power output, load stability, and emissions compliance. DHS Equipment supplies this part as a stocked genuine OEM component, so you can get your generator back online with confidence.

Key Features

• Genuine OEM Fuel Delivery Precision — Manufactured to the exact injection pressure and spray pattern specifications of the SAA6D125E-5 engine, maintaining the combustion efficiency the DCA-300SSK4 was engineered to deliver.
• Direct Application Fit — Designed specifically for the Komatsu SAA6D125E-5 engine as installed in the DCA-300SSK4, dropping into the OEM injector bore without modification to fuel lines or mounting hardware.
• Confirmed Fitment — DCA-300SSK4 — Verified for the Multiquip DCA-300SSK4 ultra-silent generator series; check your engine model code against the SAA6D125E-5 designation before ordering.
• Sustained Load Performance — A correctly functioning injector ensures stable fuel atomization under varying generator loads, preventing rough running, power dips, or excessive fuel consumption common with worn or failed injectors.
• Emissions and Operational Compliance — Fuel injectors on Tier-rated diesel engines directly affect emissions output; replacing with a genuine OEM assembly helps maintain the DCA-300SSK4's certified emissions profile and supports site compliance requirements.

A fuel injector assembly meters and atomizes diesel fuel into the engine's combustion chamber at precisely controlled pressure and timing. On a high-capacity generator like the DCA-300SSK4, proper injector function is essential for consistent power output across varying electrical loads — a worn or clogged injector can cause misfires, increased fuel consumption, black smoke, and unstable voltage output. Replacing a failed injector with the correct OEM assembly restores the engine's designed combustion cycle and protects downstream components from the effects of incomplete or irregular fuel burn.

For questions about fitment or part compatibility, contact the DHS Equipment team directly for support.

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.