Spirit Grill Replacement Flavorizer Bars and Burners - Durable Heat

In this review the Spirit Grill Replacement Parts kit is judged on fit, durability and heat performance for owners of the Weber Spirit 300 and Spirit II 300 series with front-mounted controls. The bottom line: this kit is for grill owners who need a direct-fit refresh of the flavorizer bars and burners and want heavier, porcelain-coated steel parts that hold and distribute heat better than thinner replacements. Installation restores even cooking and makes an older grill work like new again in most cases.

Key Features

• Upgraded material: Solid porcelain steel construction gives the flavorizer bars a thicker, heavier feel that improves heat retention and durability.
• Even heat distribution: The porcelain steel bars and stainless burners help retain and transfer heat to reduce cold spots and speed cooking.
• Direct fit for Spirit 300 series: Designed to fit Spirit E-310, E-320, E-330 and corresponding S and SP models with front-mounted controls from 2013 onward, simplifying replacement.
• Complete burner set: Includes three main stainless steel burners plus one smaller crossover burner to restore the grill's original flame layout and performance.
• Measured dimensions: Flavorizer bars measure about 15.3 in L x 2.6 in W x 2.5 in H each, with left/right main burners at 18 in, center at 17.75 in and crossover at 15.25 in.

Who It's For

This kit is best for owners of the Spirit 300 or Spirit II 300 series with front-mounted controls (model years 2013-current) who want a heavier, longer-lasting replacement that improves heat retention and restores cooking consistency. It is especially useful for people who find their original flavorizer bars or burners corroded, damaged or producing uneven heat.

It is not for those with older Spirit models that have side control panels (model years 2007-2012) or owners who cannot confirm their original part sizes and model compatibility; those buyers should verify original part numbers or contact the seller before ordering.

Pros & Cons

Pros

• Good fit and ease of installation for supported Spirit 300 models, letting the grill perform like new.
• Solid porcelain steel flavorizer bars provide improved heat retention and more even cooking.
• Stainless steel burners are robust and restore the original burner layout and function.

Cons

• Some buyers report the porcelain coating can chip over time, so appearance may degrade with heavy use.
• Not compatible with Spirit models that have side-mounted controls; confirm model year and panel type before purchasing.

Specifications

Our Verdict

For owners of the Spirit 300 series with front-mounted controls this replacement kit offers good value: it restores heat distribution and burner function with heavier porcelain steel flavorizer bars and stainless burners that are simple to install. It is a sensible, cost-effective repair for grills showing wear, provided buyers confirm compatibility and accept that the porcelain coating may show chips over time.

Frequently Asked Questions

Will these parts fit my Spirit 300 grill?
They fit Spirit 300 and Spirit II 300 series grills with front-mounted controls from 2013 onward; check your control panel position and original part size before ordering.

What materials are used?
Flavorizer bars are solid porcelain steel and burners are stainless steel to improve heat retention and durability.

Are the flavorizer bars resistant to chipping?
They are thicker and heavier than many replacements, but some customers report mixed results with chip resistance over time.