The Multiquip 8941332751 is a genuine OEM Inlet Valve DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. As a direct Multiquip OEM part, 8941332751 delivers the exact material grade and dimensional tolerances specified for the 4JG1 engine, ensuring consistent seating and sealing performance. This part is confirmed to fit the DCA-45USJ series, making it a straightforward service replacement when an engine valve inspection reveals wear or damage.
Key Features
- OEM Valve Material Grade — Manufactured to Multiquip's original material and heat-treatment specifications for the 4JG1 engine, ensuring proper hardness and wear resistance at operating temperatures.
- Direct Drop-In Replacement — Machined to the exact stem diameter, face angle, and overall length of the original, allowing straightforward installation without additional machining or fitting.
- Confirmed DCA-45USJ Fitment — Verified for the DCA-45USJ ultra-silent generator powered by the Isuzu 4JG1 engine; use part number 8941332751 to cross-reference against your machine's parts manual.
- Maintains Compression and Combustion Efficiency — A correctly seated inlet valve controls the air-fuel charge entering the cylinder; a worn or damaged valve causes compression loss, hard starting, and reduced generator output.
- Critical Fuel System Integrity — Proper valve sealing is essential to safe, stable engine operation in a generator application where consistent power output is required.
The inlet valve controls the flow of the air-fuel mixture into the engine cylinder on each intake stroke. It opens to admit the charge and closes tightly against the valve seat to seal the combustion chamber during compression and power strokes. When an inlet valve wears, burns, or loses its seal against the seat, the engine suffers compression loss that leads to rough running, reduced power output, and difficulty starting — issues that are especially disruptive in a generator used for continuous or standby power supply.
For fitment questions or to confirm this is the correct part for your DCA-45USJ, contact the DHS Equipment team.
Part Details
| Part Number | 8941332751 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Inlet Valve 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.
