Weber 42321 Igniter for Summit A4 models

What Problem This Part Solves
If your Summit grill’s igniter fails, you may have to resort to matches or a lighter to start the main burners — which is inconvenient and potentially unsafe. This OEM igniter kit restores the original spark ignition system for quick and dependable starts.

Key Features
Complete igniter kit with spark generator and push-button actuator
Includes ceramic electrodes, wires, mounting hardware, and AA battery
OEM Weber part engineered to OEM spec for performance and fit
Designed for main burner ignition (side/aux not included)
Restores reliable ignition without matches or lighters

Compatibility / Fits Models
Fits Weber Summit Silver A/A4, Summit Gold A/A4, and Summit Platinum A/A4 4-burner gas grills — always verify your exact model before ordering to ensure fit.

Weber Models

5210001, 5210009, 5310001, 5310009, Summit Silver A

Installation / Use Instructions
Turn off and disconnect the propane or natural gas supply before servicing.
Remove the old igniter assembly and disconnect wiring harnesses.
Install the new igniter kit including electrodes and spark module, secure with mounting hardware, and reconnect wiring; test ignition after re-assembly.

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FAQ Section (5 questions & answers)

Does this igniter fit my Summit A4 grill?
Yes — this OEM 42321 igniter kit is designed specifically for Weber Summit Silver, Gold, and Platinum A/A4 series gas grills.

What’s included in this kit?
It typically includes the spark generator, push-button switch, wires with terminals, ceramic electrodes with collector box, mounting bracket, hardware, and an AA battery.

Can I install it myself?
Yes — basic DIY skills and tools are sufficient; always ensure the gas supply is off before beginning.

Will it ignite my side burner too?
No — this kit is for the main burner ignition system; side/aux burner ignition components, if present, are separate.

Why choose a genuine Weber part?
Genuine Weber parts ensure proper fit, reliable ignition performance, and longer life compared with many aftermarket alternatives.