Multiquip 16026Z4ES32 Primer Pump Cover GX100UKRBF

The Multiquip 16026Z4ES32 is a genuine OEM Primer Pump Cover GX100UKRBF designed for MTX-series rammers including the MTX50HD, MTX60HD, MTX70HD, MTX70HDR, and MTX80HDR. As a direct OEM replacement sourced from Multiquip, this cover is manufactured to the exact specifications of the original component it replaces. Verifying your model code before ordering ensures a correct, hassle-free installation on your Honda GX100-equipped rammer.

Key Features

• Genuine OEM Construction: Manufactured to the same dimensional and material tolerances as the original cover, ensuring a proper seal around the primer pump assembly on GX100UKRBF-equipped engines.
• Direct-Fit Replacement: Designed to mount directly to the GX100UKRBF carburetor assembly with no reworking or adaptation of mounting points required.
• Broad MTX Rammer Compatibility: Confirmed fitment across MTX50HD, MTX60HD, MTX70HD, MTX70HDR, and MTX80HDR models, covering a wide range of Multiquip tamper configurations.
• Protects Primer Pump Integrity: A intact primer pump cover keeps the priming circuit sealed and free of debris, allowing the engine to start reliably even in demanding site conditions. A cracked or missing cover allows air infiltration that disrupts fuel delivery and makes cold starts difficult.
• Fuel System Safety: Maintaining a properly sealed primer pump cover prevents raw fuel exposure at the carburetor face, reducing the risk of fuel leaks in a high-vibration operating environment.

The primer pump cover encloses the rubber primer bulb and its seat on the carburetor, creating a sealed chamber that allows the operator to manually draw fuel into the carb before starting. When the cover is intact and properly seated, the primer system builds fuel pressure consistently, enabling quick cold starts with minimal effort. If the cover cracks, warps, or goes missing, the primer circuit loses suction, making the engine difficult or impossible to start without extended cranking.

For fitment questions or help confirming this part is correct for your machine, contact the DHS Equipment team.

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.