The Multiquip 1647551230 Delivery Valve Spring is a genuine OEM component designed for Multiquip Welders and DCA-series diesel generators including the DCA15SPX3 and DCA10SPX3. Sourced directly from Multiquip, this spring meets the exact specifications required for correct fuel delivery valve operation. If you are servicing a DAW-500S welder or a DCA-series ultra-silent diesel generator, this is the correct OEM replacement spring for the job. Confirm your model code against the fitment list before ordering to ensure a direct application match.
Key Features
- Genuine OEM Spring Tension: — Manufactured to the original tension and dimensional spec, ensuring the delivery valve cycles with the correct opening and closing force for consistent fuel metering.
- Direct-Fit Replacement: — Drops into the existing delivery valve assembly without modification, seating and engaging exactly as the original component.
- Confirmed Fitment: — Compatible with the DAW-500S welder, DCA15SPX3, and DCA10SPX3 diesel-powered generators in the Multiquip lineup.
- Fuel System Integrity: — A correctly tensioned delivery valve spring maintains steady injection pressure, supporting stable power output and efficient fuel consumption across load cycles.
- Fuel System Safety: — A fatigued or broken delivery valve spring can cause erratic injection timing or fuel leakage within the pump assembly; replacing it with a genuine OEM spring restores proper sealed operation.
The delivery valve spring sits inside the fuel injection pump and applies the precise closing force needed to seat the delivery valve after each injection event. This controlled closure prevents fuel from bleeding back into the pump between injections, which is essential for maintaining consistent injection pressure and accurate fuel timing. When the spring weakens or breaks, the engine may experience hard starting, rough running, loss of power, or uneven load response — all signs that the delivery valve is no longer sealing and releasing correctly.
Part Details
| Part Number | 1647551230 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Delivery Valve Spring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DAW-500S |
| Diesel Powered Generators | DCA15SPX3 |
| 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.
