Multiquip 12310ZE2020 Head Cover Complete

The Multiquip 12310ZE2020 Head Cover Complete is a genuine OEM component designed for a wide range of Multiquip and Whiteman equipment powered by the Honda GX series engine. This part covers an extensive fitment list including concrete mixers such as the MC94P/S, MC64P/S, and MC12PH, Whiteman mortar mixers including the WM120SH, WM120PH, and WM70S/P, Essick mixers in the EM120S and EM120P series, gasoline arc welders including the GAW180HE, GAW180HE1, and GAW180HEA, walk-behind rollers including the MRH800GS, V305EH, and R2000H, gasoline-powered generators including the GA3.6HR, GA3.6HA, and GA3.6HZ, and pumps including the QP402H and QP3TH. As a genuine OEM part, the 12310ZE2020 is manufactured to the same standards as the original component, ensuring a correct, straight-swap installation with no guesswork. Sourced directly through authorized Multiquip distribution channels, this head cover is the dependable choice when you need a verified, application-matched replacement.

Key Features

• Genuine OEM Sealing Integrity — Manufactured to the original Honda GX-series engine specification, ensuring the correct mating surface geometry and gasket interface for a proper cylinder head seal.
• Direct Drop-In Installation — Matches all original mounting points and bolt patterns on supported Honda-powered Multiquip equipment, allowing straightforward removal and reinstallation.
• Broad Cross-Equipment Fitment — Compatible across Multiquip concrete mixers (MC94P/S, MC64P/S, MC12PH), Whiteman and Essick mixers (WM120SH, WM70S/P, EM120S/P series), GAW180HE welders, GA3.6H generators, MRH800GS and V305EH rollers, and QP402H and QP3TH pumps.
• Protects Valvetrain and Top-End Components — A correctly seated head cover maintains oil containment and keeps contaminants away from the rocker arm assembly, directly supporting consistent engine performance across all supported machines.
• Oil Leak Prevention — A worn or cracked head cover allows oil to escape onto hot engine surfaces, creating a fire risk and accelerating engine wear. Replacing with a genuine OEM cover restores proper containment.

The head cover — sometimes called a valve cover — bolts onto the top of the engine cylinder head and encloses the rocker arm and valve mechanism. Its primary job is to contain the engine oil that lubricates the valvetrain while keeping dirt, debris, and moisture out of the top end of the engine. Over time, the cover itself can crack or warp, and the mating gasket surface can deteriorate, leading to oil leaks that foul the engine exterior, create burn-off smoke, and starve the valvetrain of lubrication. Replacing a damaged or leaking head cover promptly protects the engine's upper components and keeps the machine operating cleanly and efficiently.

For fitment questions or help confirming compatibility with your specific unit, contact the DHS Equipment team directly.

Part Details

Compatibility & Fitment

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.