The Multiquip 1146063120 Spring DCA-10SPX3 D1403/V2203 is a genuine OEM spring designed for MRH601DS walk-behind rollers and DLW400ES series diesel light welders. As a direct Multiquip OEM component, this spring is manufactured to the exact specification of the original part it replaces, ensuring a proper fit within the engine assembly. DHS Equipment supplies this part direct, so you can be confident you are receiving an authentic replacement backed by Multiquip.
Key Features
- Genuine OEM Spring Tension Spec — manufactured to the original load and travel specifications for the D1403/V2203 engine series, so spring rate and return force match the designed operating parameters exactly.
- Direct Drop-In Installation — matches the original mounting points and geometry of the 1146063120, allowing straightforward installation without reworking surrounding components.
- Confirmed Fitment — compatible with MRH601DS walk-behind rollers and DLW400ES, DLW400ESA, and DLW400ESA1 diesel light welders.
- Engine Function Integrity — a correctly tensioned spring ensures consistent mechanical response within the D1403/V2203 engine, preventing misfires, erratic operation, or premature wear on adjacent components.
- Sourced from Multiquip — this is an authentic OEM part, not a generic substitute, giving you the same component that was installed at the factory.
A spring within an engine assembly serves as a mechanical return or tension component, keeping moving parts — such as valves, throttle linkages, or governor arms — under the correct load and returning them to a defined resting position after each cycle. When a spring loses tension, breaks, or deforms, the affected mechanism can become sluggish, fail to return fully, or cause erratic engine behavior. Replacing a worn or failed spring with the correct OEM part restores the precise mechanical relationship the engine was designed to operate with, preventing further wear on the surrounding assembly.
For fitment questions or help confirming this part is right for your machine, contact the DHS Equipment team directly.
Part Details
| Part Number | 1146063120 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Spring DCA-10SPX3 D1403/V2203 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | MRH601DS |
| 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.