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.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 91 parts  |

Gas Line 81248
#18

Side burner diagram

Gas line

Part #81248

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

Bumpers,silicone 70339
#29A

Grill parts diagram

Bumpers,silicone

Part #70339

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

Burner Cap 42302
#2

Side burner diagram

Burner cap

Part #42302

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

Pan Holder 70321
#21

Grill parts diagram

Pan holder

Part #70321

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

Panel 70336
#26

Grill parts diagram

Panel

Part #70336

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

Electrode 42301
#12

Side burner diagram

Electrode

Part #42301

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

Side Table 70348
#33

Grill parts diagram

Side table

Part #70348

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

Side Lid 67720
#33A

Grill parts diagram

Side lid

Part #67720

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

Label 61373
#22A

Grill parts diagram

Label

Part #61373

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

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

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

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 wheel

How to replace a gas grill wheel

Replace a broken or damaged wheel in less than 15 minutes.…

Repair difficulty
Time required
 15 minutes or less
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

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.…