The Multiquip 8970817421 is a genuine OEM Cover Cylinder Head DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. This is a direct OEM replacement sourced through Multiquip's authorized parts network, ensuring the part you receive matches the original component installed at the factory. Verified to fit the DCA-45USJ, this cover is the correct choice for technicians and fleet managers performing top-end engine service on this generator model.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the exact material and dimensional specifications of the original cover, ensuring the mating surfaces seat correctly against the head gasket and retain engine oil without leaks.
- Direct Bolt-On Replacement — Matches the original mounting pattern and hardware interface of the DCA-45USJ 4JG1 engine, allowing straightforward installation without reworking surrounding components.
- Confirmed DCA-45USJ Fitment — Engineered specifically for the DCA-45USJ ultra-silent generator platform; verify your model code before ordering to ensure proper application.
- Protects Valve Train Components — A properly sealed cylinder head cover keeps engine oil contained and contaminants out, safeguarding the rocker arms, camshaft, and valve stems from premature wear.
- Authorized Multiquip OEM Part — Supplied through Multiquip's official parts network, this component meets the same quality and material standards as the original equipment it replaces.
The cylinder head cover sits atop the engine's valve train and seals the upper end of the cylinder head. Its primary job is to contain the engine oil that lubricates the rocker arms and valve components while keeping dust, debris, and moisture out of the engine. When the cover warps, cracks, or its gasket deteriorates, oil leaks develop around the top of the engine — a condition that can quickly lead to low oil levels, contamination of surrounding components, and accelerated internal wear if left unaddressed. Replacing a damaged cover with a genuine OEM part like the Multiquip 8970817421 restores a proper seal and keeps the 4JG1 engine running cleanly and efficiently.
For questions about fitment or to confirm this is the correct part for your DCA-45USJ, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | 8970817421 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cover Cylinder Head 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.
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