The Multiquip 1157795080 is a genuine OEM Adj Screw Nut designed for the DCA-45USJ ultra-silent diesel generator. As a factory-sourced component, this nut is manufactured to the exact specifications required by the 4JG1 engine assembly, ensuring a correct and secure fit without guesswork. Sourced directly through Multiquip's OEM supply chain, 1157795080 is the right part for DCA-45USJ service and maintenance. DHS Equipment stocks this genuine Multiquip component to keep your generator running at spec.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's exact tolerances for the 4JG1 engine, ensuring proper thread engagement and load-bearing performance specific to this adjustment screw application.
- Direct-Fit Replacement — Engineered to seat and thread exactly as the original hardware, integrating seamlessly into the existing adjustment screw assembly on the DCA-45USJ.
- Confirmed DCA-45USJ Fitment — Verified for use on the Multiquip DCA-45USJ ultra-silent generator series with the Isuzu 4JG1 engine.
- Maintains Adjustment Integrity — A correctly torqued and dimensionally accurate adjustment nut holds critical engine settings in place; a worn or incorrect nut can allow settings to drift, affecting generator output and engine performance.
- OEM Reliability at the Hardware Level — Small fasteners and adjustment hardware are often overlooked, but using the correct OEM nut prevents thread stripping, loosening under vibration, and premature failure of the surrounding assembly.
The adjustment screw nut is a threaded fastener that locks and secures the adjustment screw in its set position within the engine assembly. It works by applying clamping force that prevents the screw from backing out or shifting due to engine vibration during operation. When this nut is worn, stripped, or missing, the adjustment screw can move out of its intended position, causing changes to engine calibration that may affect fuel delivery, valve clearance, or other tuned parameters — ultimately impacting generator output stability and engine longevity.
Part Details
| Part Number | 1157795080 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Adj Screw Nut 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.
