Weber 64879 Q300 & Q3000 Natural Gas Manifold Assembly

What Problem This Part Solves

The manifold assembly controls gas flow from the natural gas supply to the grill burners. If the manifold valves wear out, leak, or become clogged, the grill may experience weak flames, uneven heat, ignition problems, or gas leaks. Replacing the manifold restores proper fuel regulation and ensures safe and consistent burner operation.

Key Features

Complete natural gas manifold assembly for Weber Q Series grills
Includes twin valve, tube, and orifice assembly
Integrated 3/8-inch natural gas hose with quick-disconnect fitting
Designed specifically for natural gas grill configurations
Genuine Weber OEM replacement part for correct fit and safety

Compatibility / Fits Models

Fits Weber Q Series grills including:

57067001, Q300, Q3000, Q320, Q3200

Confirm model number before ordering.

Installation / Use Instructions

Turn off and disconnect the natural gas supply from the grill.
Remove the control panel and disconnect the existing manifold assembly.
Install the replacement manifold assembly and reconnect the gas line, then perform a leak test before operating the grill.

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FAQ

Does this fit my grill?
This manifold assembly fits Weber Q300, Q320, Q3000, and Q3200 natural gas grills. Always confirm your grill model before ordering.

What is this part made of?
The manifold assembly is constructed from durable metal tubing with precision gas valves and orifices designed for natural gas operation.

How long should this part last?
A manifold assembly can last many years, but it should be replaced if valves fail, gas leaks develop, or burner performance becomes inconsistent.

How do I install it?
Remove the control panel, disconnect the old manifold assembly, install the replacement assembly, and reconnect the gas supply before performing a leak test.

Why choose this replacement part over others?
A genuine Weber manifold ensures correct gas flow, safe operation, and precise burner control compared to universal or aftermarket alternatives.