Multiquip 912320035 Briggs & Stratton 3.0 HP Engine

The Multiquip 912320035 is a genuine OEM Briggs & Stratton 3.0 HP Engine designed for MQ-D305 and D306 diaphragm pump models. As a factory-authorized OEM component, this engine is sourced directly through Multiquip to ensure full compatibility and consistent performance with your existing pump assembly. This replacement is a direct fit for the MQ-D305 and D306, making it the straightforward choice when your original powerplant needs to be swapped out. DHS Equipment supplies this part as a stocked OEM item so you can get your pump back in service fast.

Key Features

• OEM-Matched Power Output — Genuine Briggs & Stratton 3.0 HP rating matches the original engine specification, ensuring the pump operates at its intended flow and pressure output.
• Drop-In Engine Replacement — Engineered to mount directly to the MQ-D305 and D306 pump frames with original bolt patterns and shaft dimensions, eliminating guesswork during installation.
• Verified Fitment for MQ-D305 and D306 — Confirmed compatible with MQ Diaphragm Pump models MQ-D305 and D306, so you can order with confidence.
• Consistent Pump Performance — A properly matched engine maintains the diaphragm pump's designed stroke rate, protecting suction lift capability and discharge volume on the job.
• Fuel System Integrity — Correct engine-to-pump pairing ensures the carburetion and throttle linkage function as designed, reducing the risk of hard starting or erratic pump behavior.

The engine is the primary power source for the diaphragm pump, driving the reciprocating action of the diaphragm that moves fluid through the pump body. On MQ diaphragm pump models like the MQ-D305 and D306, the engine's output speed directly determines pumping rate and suction performance — an underpowered or worn engine will cause reduced flow, loss of prime, and eventual pump failure. Replacing a failed engine with the correct OEM unit, Multiquip 912320035, restores the pump to its original operating specification and prevents premature wear on the diaphragm and valve components downstream.

For fitment questions or to confirm this engine is correct for your specific unit, contact the DHS Equipment parts team for assistance.

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.