The Multiquip 5111101680 Cylinder Head Assembly is a genuine OEM component designed for DCA40SSAI and DCA40SSI ultra-silent diesel generator models. As a direct OEM replacement, this assembly is manufactured to the exact specifications required for correct fitment and dependable engine performance in demanding power generation applications. Sourced directly through authorized Multiquip supply channels, part number 5111101680 ensures you are installing the correct component for your machine — not a compromise.
Key Features
- Genuine OEM Construction — Manufactured to exact Multiquip tolerances, ensuring proper combustion chamber geometry, valve seat integrity, and head gasket surface finish critical for a diesel engine cylinder head.
- Direct-Fit Replacement — Engineered to bolt directly onto the engine block of DCA40SSAI and DCA40SSI generators, aligning coolant passages, valve guides, and mounting points without rework.
- Compatible with DCA Ultra-Silent Series — Confirmed fitment for DCA40SSAI and DCA40SSI diesel-powered ultra-silent generator models in the Multiquip DCA lineup.
- Restores Full Engine Output — A correctly sealed and torqued cylinder head maintains compression ratio and combustion efficiency, allowing the generator to deliver its rated power output consistently.
- Fuel System and Emissions Integrity — Proper cylinder head sealing is essential to controlling combustion gases and maintaining safe, compliant generator operation — a warped or cracked head can cause fuel contamination, oil mixing, and uncontrolled exhaust emissions.
The cylinder head assembly sits atop the engine block and forms the upper boundary of the combustion chamber, housing the intake and exhaust valves, valve guides, and the mating surface for the head gasket. It plays a central role in maintaining the compression needed for reliable diesel ignition and efficient power generation. When a cylinder head cracks, warps, or develops a blown gasket seal, the engine loses compression, coolant and oil can intermix, and the generator will fail to produce stable output — making prompt replacement with a correct OEM part essential to restoring the unit to service.
Part Details
| Part Number | 5111101680 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cylinder Head Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA40SSAI |
| Diesel Powered Generators | DCA40SSI |
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.
