The Multiquip 1984452040 Compressor Diaphragm is a genuine OEM component designed for Welders and DCA10SPX3 series diesel-powered generators. Sourced directly from Multiquip, this part meets the exact specifications of the original, ensuring a direct, compatible installation. Verified fitment covers the DAW-500S welder and DCA10SPX3 generator, making it a straightforward service solution for technicians and operators working on these machines.
Key Features
- Genuine OEM Material Integrity — Manufactured to the original flexible membrane specification, delivering the correct compression and seal characteristics required for consistent diaphragm pump operation.
- Direct Installation Fit — Matches the original mounting profile and port dimensions, allowing the diaphragm to seat and seal correctly without alteration.
- Confirmed Fitment — Verified for the DAW-500S welder and DCA10SPX3 diesel-powered generator series.
- Sustained Pumping Performance — A correctly functioning diaphragm maintains proper fluid displacement; a cracked or fatigued unit causes loss of prime, pressure drop, and fluid bypass that can compromise machine operation.
- Fuel System Integrity — As a critical component within the fuel delivery path, a sound diaphragm prevents fuel contamination and ensures the engine receives a consistent, controlled fuel supply.
A compressor diaphragm is a flexible membrane that creates the reciprocating pumping action needed to move fuel or fluid through the system at controlled pressure. It flexes repeatedly under operating loads to draw fluid in on one stroke and discharge it on the next, relying on its elasticity and a complete, crack-free surface to maintain proper seal. When the diaphragm becomes stiff, torn, or develops pinholes from age or exposure to fuel, the pump loses its ability to generate consistent pressure, leading to hard starting, fuel starvation, or internal fluid leaks that can affect engine reliability and output.
For assistance confirming this part for your specific unit, contact the DHS Equipment team with your model and serial number.
Part Details
| Part Number | 1984452040 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Compressor Diaphragm |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DAW-500S |
| Diesel Powered Generators | DCA10SPX3 |
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.
