The Multiquip 8970395380 Spring Capsule DCA-45USJ 4JG1 is a genuine OEM component designed for the DCA-45USJ ultra-silent generator. Sourced directly through the Multiquip parts network, this spring capsule is the correct OEM specification part for this platform — no guesswork on fitment. If you are servicing or rebuilding the fuel or injection system on a DCA-45USJ, this is the exact part called out for that machine.
Key Features
- Genuine OEM Spring Tension Integrity — Manufactured to the original spring rate and capsule dimensions specified for the 4JG1 engine, ensuring consistent mechanical response across the assembly.
- Direct-Fit for DCA-45USJ — Engineered specifically for the DCA-45USJ ultra-silent generator series; installs into the designated housing without modification to surrounding components.
- Confirmed DCA-45USJ Fitment — Verified for use on the Multiquip DCA-45USJ, keeping your parts ordering straightforward and accurate.
- Sustained Mechanical Function — A worn or fatigued spring capsule can compromise the tension and return action of the assembly it supports, leading to irregular operation or premature component wear. Replacing with the correct OEM part restores designed performance.
- Genuine OEM Part — Carries the Multiquip OEM designation, meaning it meets the same production standards as the part originally installed at the factory.
A spring capsule is a housed spring assembly used to maintain consistent mechanical tension or provide controlled return force within a system — commonly found in fuel injection, governor, or valve-related assemblies on diesel engines such as the Isuzu 4JG1. It keeps the associated component seated or loaded correctly under operating conditions. When the spring inside the capsule weakens, breaks, or loses its rated tension, the affected system can behave erratically, lose responsiveness, or fail to return to a neutral position — making timely replacement critical to stable generator operation.
For questions about this part or to confirm fitment for your specific DCA-45USJ unit, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 8970395380 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Spring Capsule 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.