The Multiquip 8970661960 is a genuine OEM Cylinder Head Gasket DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. As a direct OEM part sourced through Multiquip's authorized supply chain, it is manufactured to the exact material and dimensional specifications required for the 4JG1 engine used in the DCA-45USJ. This gasket ensures a proper, leak-free seal between the cylinder head and engine block, maintaining the compression integrity the DCA-45USJ depends on for consistent power output. If you are servicing or rebuilding the 4JG1 engine in your DCA-45USJ, part number 8970661960 is the correct OEM replacement to specify.
Key Features
- OEM-Grade Sealing Material — Manufactured to the exact material composition and thickness specification required for the 4JG1 engine, ensuring correct compression sealing under operating heat and pressure cycles.
- Direct Engine Fit — Engineered to align precisely with the cylinder head and block deck surfaces of the 4JG1 engine, allowing straightforward installation during head removal or engine rebuild procedures.
- Confirmed Fitment for DCA-45USJ — Verified genuine OEM replacement for the Multiquip DCA-45USJ ultra-silent diesel generator equipped with the Isuzu 4JG1 engine.
- Compression Integrity Restored — A correctly installed cylinder head gasket maintains proper combustion chamber pressure, which directly affects engine power output, fuel efficiency, and smooth generator operation.
- Combustion and Coolant Sealing — Seals combustion gases, coolant passages, and oil galleries simultaneously, preventing cross-contamination that can cause rapid internal engine damage if left unaddressed.
The cylinder head gasket sits between the engine block and the cylinder head, forming a critical multi-purpose seal that contains combustion pressure while also isolating coolant and oil passages from one another. On the 4JG1 diesel engine found in the DCA-45USJ generator, this gasket must withstand significant heat cycling and compression forces during every operating hour. When a head gasket fails, symptoms typically include lost compression, overheating, white exhaust smoke, or coolant and oil mixing — any of which can cause rapid and costly internal engine damage if the machine continues to run.
DHS Equipment is an authorized Multiquip dealer. For fitment questions or order support, contact our parts team directly.
Part Details
| Part Number | 8970661960 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cylinder Head Gasket 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.