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Weber
Gas Grill

Model # S-450LP Official Weber gas grill

Here are the diagrams and repair parts for Official Weber S-450LP 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 99 parts  |
Burner Ring 42303
#3

Burner assy diagram

Burner ring

Part #42303

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

Clip 81742
#NI

Grill parts diagram

Clip

Part #81742

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

Door Hinge 70332
#NI

Grill parts diagram

Door hinge

Part #70332

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

Bumper 81252
#5

Burner assy diagram

Bumper

Part #81252

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

Dr,rt Blk 70838
#28

Grill parts diagram

Dr,rt blk

Part #70838

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

Knob,lrg 70377
#19

Grill parts diagram

Knob,lrg

Part #70377

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

Nut 40827212
#NI

Grill parts diagram

Nut

Part #40827212

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

Lp Orifice 42305
#4

Burner assy diagram

Lp orifice

Part #42305

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

Dr,lft Blk 70846
#26

Grill parts diagram

Dr,lft blk

Part #70846

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

Hardware 60481
#42A

Grill parts diagram

Hardware

Part #60481

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.

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Why is my gas grill not hot enough?

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

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Why don't the burners on my gas grill get gas?

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

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Do I have to replace a broken wheel on a gas grill?

Main cause: worn wheel…

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What should I do about grease flare-ups in my gas grill?

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

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Why won't some burners light on my gas grill?

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

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Repair guides for gas grills

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

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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.…

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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.…

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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. …

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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.

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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.…

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