Weber 66685 Genesis II 300 Series Heat Deflectors

What Problem This Part Solves
These heat deflectors replace warped, rusted, or missing plates that cause uneven heat and flare-ups. Without them, flames concentrate directly under food, leading to hot spots and inconsistent cooking. Replacing them restores balanced heat distribution and protects your grill’s internal components.

Key Features
Set of three stainless steel heat deflectors for full coverage
Designed to deflect heat upward for even cooking performance
Helps reduce flare-ups and protect burners from grease drippings
Durable stainless steel construction resists heat and corrosion
OEM fit ensures proper placement and airflow

Compatibility / Fits Models
Fits Weber Genesis II 300 series gas grills (2017 and newer)
Fits Weber Genesis II LX 300 series grills
Compatible with models such as:
GENESIS 315, GENESIS 325, GENESIS 330, GENESIS 335, GENESIS 415, GENESIS 425, GENESIS II 310, GENESIS II 315, GENESIS II 325, GENESIS II 330, GENESIS II 335, GENESIS II 345, GENESIS II LX 340
Fits most grills within this series—confirm model number before ordering

Installation / Use Instructions
Turn off grill and allow it to cool completely
Remove cooking grates and flavorizer bars
Place heat deflectors beneath burners in designated slots
Reinstall flavorizer bars and cooking grates

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FAQ Section

Does this fit my grill?
This set fits Weber Genesis II 300 series grills (2017+). Confirm your model before ordering.

How many deflectors are included?
This kit includes 3 heat deflectors for full burner coverage.

Where are these installed?
They sit below the burners and above the cookbox floor.

Are these the same as flavorizer bars?
No—heat deflectors are below the burners, while flavorizer bars sit above them.

How long do they last?
Depending on usage, they typically last several years before needing replacement.