The Multiquip 8970274310 Piston Spring Plug DCA-45USJ 4JG1 is a genuine OEM component designed for the DCA-45USJ ultra-silent diesel generator. This part is sourced directly through Multiquip's OEM supply chain, ensuring it meets the exact specifications of the original component installed at the factory. If you're servicing the 4JG1 engine assembly in a DCA-45USJ unit, this is the correct plug for the job. DHS Equipment stocks this part to help keep your generator running at full capacity with zero guesswork on fitment.
Key Features
- Genuine OEM Specification — Manufactured to the exact material and dimensional tolerances required by the 4JG1 engine, ensuring a proper seal and consistent spring retention under operating conditions.
- Direct-Fit Component — Engineered as a drop-in replacement for the original plug in the DCA-45USJ, with no modification to surrounding hardware or mating surfaces required.
- Confirmed DCA-45USJ Fitment — Verified for use with the Multiquip DCA-45USJ ultra-silent diesel generator equipped with the Isuzu 4JG1 engine.
- Spring Retention Integrity — Maintains correct piston spring seating within the engine assembly, preventing loss of spring tension that can lead to irregular valve or piston behavior.
- Fuel and Pressure System Safety — A correctly seated plug prevents internal leaks and pressure loss within the engine circuit, supporting safe and stable generator output.
The piston spring plug is a small but critical fastening and sealing component within the engine assembly of the DCA-45USJ generator. Its primary role is to retain the piston spring in its correct position, ensuring consistent mechanical pressure and proper component engagement during engine operation. When this plug is worn, damaged, or missing, the spring it retains can shift or lose tension, leading to erratic engine performance, internal leakage, or accelerated wear on surrounding components.
Part Details
| Part Number | 8970274310 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Spring Plug DCA-45USJ 4JG1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-45USJ | DCA-45USJ |
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.
