Multiquip 3991123 Oil Pump DCA300SSC

The Multiquip 3991123 Oil Pump DCA300SSC is a genuine OEM component designed for Diesel Powered Generators. Sourced directly from Multiquip, this part meets the exact specifications required to maintain proper engine lubrication in your generator. Verified fitment for Diesel Powered Generators ensures this pump installs correctly without guesswork. Keeping your generator's lubrication system running to spec protects the engine and supports consistent power output on the job.

Key Features

• Genuine OEM Lubrication Spec — Manufactured to the exact flow rate and pressure tolerances specified for the DCA300SSC engine, ensuring oil is delivered correctly throughout the lubrication circuit.
• Direct-Fit Replacement — Engineered as a drop-in replacement for the DCA300SSC, matching the original mounting configuration and port dimensions for straightforward installation.
• Confirmed Generator Fitment — Designed specifically for Diesel Powered Generator applications, keeping your DCA300SSC protected during extended run cycles.
• Engine Protection Where It Counts — A functioning oil pump maintains consistent oil pressure across all engine components; a failing pump rapidly leads to bearing wear, overheating, and engine damage.
• Critical System Compliance — As a core fuel and lubrication system component, using the correct OEM pump helps maintain safe operating pressures and supports proper engine shutdown behavior.

The oil pump is responsible for drawing engine oil from the sump and circulating it under pressure to the engine's moving parts — bearings, crankshaft, camshaft, and cylinder walls. Without adequate oil pressure, metal-to-metal contact accelerates wear and can cause catastrophic engine failure in a short amount of time. On a diesel generator like the DCA300SSC, where extended run hours are common, a worn or failed oil pump compromises the entire engine's service life and output reliability.

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.