Weber
Gas Grill

Model # S-420LP Official Weber gas grill

Here are the diagrams and repair parts for Official Weber S-420LP gas grill, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 91 parts  |

Thermometer 67731
#3

Grill parts diagram

Thermometer

Part #67731

The manufacturer no longer makes this part, and there's no substitute part

Owner's Manual 89559
#NI

Grill parts diagram

Owner's manual

Part #89559

The manufacturer no longer makes this part, and there's no substitute part

Operating Guide 89964
#NI

Grill parts diagram

Operating guide

Part #89964

The manufacturer no longer makes this part, and there's no substitute part

Hardware 67759
#36A

Grill parts diagram

Hardware

Part #67759

The manufacturer no longer makes this part, and there's no substitute part

Flaverizer Bar, 70376
#9A

Grill parts diagram

Flaverizer bar,

Part #70376

The manufacturer no longer makes this part, and there's no substitute part

Hardware 67765
#28A

Grill parts diagram

Hardware

Part #67765

The manufacturer no longer makes this part, and there's no substitute part

Wire (black) 87613
#9

Side burner diagram

Wire (black)

Part #87613

The manufacturer no longer makes this part, and there's no substitute part

Bulkhead 70344
#30

Grill parts diagram

Bulkhead

Part #70344

The manufacturer no longer makes this part, and there's no substitute part

Logo 70304
#2A

Grill parts diagram

Logo

Part #70304

The manufacturer no longer makes this part, and there's no substitute part

Hardware 88209
#14A

Grill parts diagram

Hardware

Part #88209

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Repair guides for gas grills

These step-by-step repair guides will help you safely fix what’s broken on your gas grill.

How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill burner

How to replace a gas grill burner

Replace a damaged burner on your gas grill in less than 15 minutes and with just pliers and a screwdriver for tools.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your outdoor grills

Use the advice and tips in these articles and videos to get the most out of your gas grill.

What are the main parts of a gas BBQ grill?

What are the main parts of a gas BBQ grill?

Learn about the main parts of gas grills and get DIY tips for replacing gas grill parts.…