The Multiquip 5112901450 Tappet Chamber Cover Assembly is a genuine OEM component designed for DCA40SSAI, DCA60SSAI, and DCA40SSI ultra-silent diesel generator models. Sourced directly from Multiquip, this assembly ensures an exact match to the original equipment specification, maintaining the integrity of the engine's valvetrain enclosure. Using a genuine OEM part means no guesswork on fitment — the part installs just as the original did, keeping your generator running as it left the factory floor.
Key Features
- Genuine OEM Construction — Precision-cast to the same material and dimensional tolerances as the original, ensuring a proper seal over the valvetrain without oil seepage or gasket mismatch.
- Direct-Fit Replacement — Engineered to bolt directly onto DCA40SSAI, DCA60SSAI, and DCA40SSI engines with no rework or modification to mounting points.
- Confirmed Generator Fitment — Verified for use across the DCA40SSAI, DCA60SSAI, and DCA40SSI ultra-silent diesel generator series.
- Valvetrain Protection — A correctly seated cover shields tappets and rocker components from contamination and oil loss, preserving consistent valve timing and engine performance.
- Leak Prevention — A failed or cracked chamber cover allows oil to escape the valvetrain cavity, leading to oil starvation and accelerated wear on internal engine components — replacing it promptly prevents that chain of damage.
The tappet chamber cover, sometimes called the rocker cover or valve cover, encloses the upper valvetrain section of the engine — protecting the tappets, pushrods, and rocker arms from dust, debris, and oil loss. It works in conjunction with a sealing gasket to keep engine oil contained within the valvetrain cavity while the engine operates under load. When this cover cracks, warps, or its sealing surface deteriorates, oil leaks out of the engine top-end, creating fire risk, lubrication loss, and eventual internal engine damage if left unaddressed.
DHS Equipment is an authorized Multiquip parts dealer. For fitment questions or assistance confirming compatibility with your serial number, contact our parts team directly.
Part Details
| Part Number | 5112901450 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Tappet Chamber Cover Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA40SSAI |
| Diesel Powered Generators | DCA60SSAI |
| 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.
