Weber 40255403 Genesis 300 Sear Knob (2011-2016)

What Problem This Part Solves

Over time, grill control knobs can crack, fade, or become loose from heat and frequent use. A damaged sear knob makes it difficult to control the sear burner temperature. Replacing it restores accurate flame control and ensures proper operation of the high-heat sear station.

Key Features

Designed for the Genesis 300 Series sear station burner
Chrome top with red Weber logo and gray rubberized grip
Provides precise flame adjustment for searing
Durable heat-resistant construction
OEM Weber replacement control knob

Compatibility / Fits Models

Fits Weber Genesis 330 Series gas grills (2011–2016) including:
Genesis E-330
Genesis S-330
Genesis EP-330

6531001, 6531301, 6531701, 6532301, 6533301, 6534301, 6535301, 6535701, 6536301, 6536701, 6537301, 6570001, 6631001, 6631301, 6631701, 6635701, 6636701, 6639099, 6670001, 86531001, 86531301, 86531701, 86570001, 86631001, 86631301, 86631701, 86670001, GENESIS CEP-330, GENESIS E-330, GENESIS EP-330, GENESIS PREMIUM CEP-330, GENESIS S-330

Fits most grills within this series—confirm model number before ordering.

Installation / Use Instructions

Ensure grill is turned off and completely cool
Pull the old knob straight off the valve stem
Align the new knob with the valve shaft
Push firmly until the knob is securely seated

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FAQ Section

Does this fit my grill?
This knob fits Weber Genesis 330 Series gas grills manufactured from 2011–2016 with a sear station burner. Confirm your model before ordering.

What is this part made of?
The knob features durable heat-resistant plastic with a chrome top and rubberized grip for comfortable turning.

How long should this part last?
With normal grilling use and proper care, control knobs typically last many seasons before needing replacement.

How do I install it?
Simply pull off the old knob and push the new knob onto the valve stem until it is fully seated.

Why choose this replacement part over others?
This OEM Weber knob ensures the correct fit and smooth sear burner control compared with generic knobs that may not align properly with Weber valve stems.