The Multiquip 1628556412 Governor Spring V1205-B is a genuine OEM component designed for DLW400ES, DLW400ESA, and DLW400ESA1 series diesel light welders. As a factory-sourced part, it meets the exact specifications of the original component it replaces, ensuring consistent engine speed control and output stability. DHS Equipment supplies this part direct, so you can confirm fitment by cross-referencing part number 1628556412 against your machine's parts diagram before ordering.
Key Features
- OEM Spring Tension Accuracy — Manufactured to the original tension rating for the V1205-B engine, maintaining precise governor response across varying load conditions.
- Drop-In Fitment — Engineered as a direct replacement for DLW400ES, DLW400ESA, and DLW400ESA1 welders; installs into the existing governor linkage assembly without alteration.
- Confirmed DLW400ES Series Compatibility — Validated fitment across the DLW400ES, DLW400ESA, and DLW400ESA1 model variants.
- Stable Engine Speed Under Load — A correctly tensioned governor spring keeps engine RPM consistent as welding load changes, protecting weld quality and generator output.
- Genuine Multiquip Part — Sourced directly from Multiquip, this component carries the same quality standard as the part originally installed at the factory.
The governor spring is a core element of the engine's speed-regulation system. It works against the centrifugal force of the governor weights to hold engine RPM at a set point, allowing the governor to respond to increases and decreases in load by adjusting fuel delivery. On a diesel light welder like the DLW400ES series, a properly functioning governor spring is essential for maintaining steady electrical output — a weakened or broken spring can cause the engine to hunt, surge, or fail to hold the RPM needed for consistent welding arc and generator voltage. Replacing a worn spring with the correct OEM part restores stable speed control and protects both the engine and the welding circuit.
Part Details
| Part Number | 1628556412 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Governor Spring V1205-B |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW400ES |
| Welders | DLW400ESA |
| Welders | DLW400ESA1 |
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.
