Multiquip 17620Z4H900 Tank Cap

The Multiquip 17620Z4H900 is a genuine OEM Tank Cap designed for a wide range of Multiquip and Whiteman equipment, including MVC and MVH series plate compactors, MVB85H vibratory block compactors, QPT405SLT centrifugal pumps, TB11E and TB11G power buggies, MRH800GS walk-behind rollers, WM90S/P Whiteman mixers, and J, JH, BH, BS, CA, and HDA series walk-behind power trowels. As a genuine OEM component, this part is manufactured to the exact specification of the original, ensuring a direct, correct-fit replacement without the uncertainty of generic alternatives. Sourced directly through authorized Multiquip channels, the 17620Z4H900 is the part number called out in original equipment documentation for these machine families. DHS Equipment stocks genuine Multiquip OEM parts to keep your equipment running with the components it was built to use.

Key Features

• Genuine OEM Seal Integrity — Manufactured to original equipment specification, ensuring the cap forms a proper pressure-retaining seal to prevent fuel or fluid contamination and leakage.
• Direct Drop-In Replacement — Engineered to match the original tank filler neck thread pitch and cap diameter, allowing straightforward installation with no rework or adaptation.
• Broad Cross-Equipment Compatibility — A single OEM part number covering MVC, MVH, MVB, QPT, TB, MRH, WM, and multiple walk-behind trowel series, confirmed against Multiquip parts documentation.
• Protects Fuel System Reliability — A correctly seated tank cap prevents dirt, debris, and moisture from entering the fuel supply — contaminants that can clog carburetors, damage fuel lines, and cause hard-starting or stalling.
• Fuel System Safety — A properly functioning tank cap maintains correct venting and prevents uncontrolled fuel spillage during operation, reducing fire and spill risk on the worksite.

The tank cap seals the fuel filler opening on the equipment's fuel tank, keeping the fuel supply clean and contained during operation and transport. It typically incorporates a venting function that allows the tank to breathe as fuel is consumed, preventing vacuum lock that would otherwise starve the engine of fuel. A worn, cracked, or missing tank cap can allow contaminants into the tank, cause fuel to slosh out during operation, and disrupt the pressure balance the fuel system depends on — leading to performance issues or potential safety hazards.

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.