The Multiquip RE504580 Glow Plug DCA125USJ is a genuine OEM glow plug designed for the DCA125USJ ultra-silent diesel generator. Sourced directly from Multiquip, this part meets the exact specifications required for dependable cold-weather starting and consistent engine ignition on DCA125USJ units. Keeping this component in good working condition is essential for maintaining full generator output and avoiding hard-start or no-start conditions in the field.
Key Features
- Genuine OEM Heating Element Spec — Matched to the precise resistance and heat output required by the DCA125USJ diesel engine for correct pre-chamber ignition.
- Direct-Fit Installation — Engineered to thread directly into the cylinder head of the DCA125USJ with no re-tapping or adapter hardware needed.
- DCA125USJ Compatibility — Confirmed fitment for the Multiquip DCA125USJ ultra-silent diesel generator series.
- Cold-Start Performance — A functioning glow plug brings the pre-combustion chamber to the correct temperature before cranking, enabling clean ignition even in low ambient temperatures.
- Fuel System Safety — A failed glow plug can cause raw fuel to pass unburned through the combustion chamber, accelerating wear and producing harmful exhaust emissions; replacing with a correct OEM unit restores proper combustion conditions.
A glow plug is a resistive heating element threaded into the diesel engine's pre-combustion or combustion chamber. Before the engine cranks, the glow plug heats the chamber to a temperature high enough to ignite diesel fuel without relying on the heat of compression alone — which is especially important during cold starts. When a glow plug fails or weakens, the engine may crank repeatedly without firing, run rough on startup, produce excessive white smoke, or fail to start altogether under cold conditions. Replacing a worn glow plug promptly protects the starter motor, battery, and fuel injectors from the strain of prolonged cranking cycles.
For fitment questions or help confirming this part is correct for your unit, contact DHS Equipment directly — our team is ready to assist.
Part Details
| Part Number | RE504580 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Glow Plug DCA125USJ |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125USJ |
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.