Arkla GTB20 Grill Parts

Highest quality replacement parts for your Arkla GTB20 - Free USA shipping $49 or more* - No Sales Tax*

Arkla GTB20 owners manual and diagrams

Diagrams & owners manual not available for grill model# GTB20. If you have a manual you're willing to share, please click here to send us an email with the attached manual. Thank You!

Replacement grill parts to fit Arkla model: GTB20

This page shows all of the parts we know fit model Arkla GTB20. If the part you're shopping for isn't included below, you might find it using the category buttons on the right side of the page. For example, if your looking for a burner and there are none here, click the burner button to see all the burners we have for Arkla grills. You will need to know the dimensions of your existing grids to help you find the right part.

To get the correct Arkla GTB20 BBQ parts

You should measure your existing parts and compare them to what we show here. This is best done with them removed from the grill.
Verify your Arkla model number by checking the CSA appliance tag on your grill to make sure you have the correct model number. Do not rely solely on the owners manual as these are frequently mixed up at retail stores when the grills are assembled. You'd be surprised at how many folks have the wrong owners manual.

GTB20 Venturis

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Single Gasket Kit Economy Burners

Part Number: SHK4
Weight: 0.01

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Straight adjustable single venturi.

Adjusts from 7” to 10”.
Requires minimum 1 7/8” hole in grill bottom for venturi to pass thru. For grills with smaller holes, see venturi part# 72401.
Can be used in pairs for twin venturi applications.

Includes all necessary gaskets and screws/nuts.

Part Number: 70401
Dimensions: 10
Material: zinc plated steel
Weight: 0.6

==> All Arkla Venturis.

GTB20 Cooking Grids

1-piece porcelain coated steel rod cooking grid for Arkla model GTB20.

Part Number: CG-11P
Dimension Front-to-Back: 13 1/16”
Dimension Side-to-Side: 19 5/8”
Material: Porcelain steel
Weight: 4.6

==> All Arkla Cooking Grids.

GTB20 Rock/Briquette Grates

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Rock grate for holding lava rock or ceramic briquettes.

Part Number: BG-4
Dimension Front-to-Back: 11 5/8”
Dimension Side-to-Side: 19”
Material: Carbon steel
Weight: 2.7

==> All Arkla Rock/Briquette Grates.

GTB20 Warming Racks

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Universal warming rack. For use on grills with at least 22” inside dimension.

Part Number: AP-6A
Dimensions: 6” x 21 1/2”
Material: Chrome steel
Weight: 1.3

==> All Arkla Warming Racks.

GTB20 Accessories

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BBQ'er choice porcelain grill briquets. The finest available.

Self-Cleaning Porcelain Briquettes.
Made of fired porcelain for even heat transfer.
Virtually indestructible.
About 56 pieces covers approximately 310 square inches.
Made in USA.

NOTE: MHP model TJK requires two (2) bags.

Part Number: BQ-3A
Weight: 4.2

Click for photos

Natural lava rock processed and screened for uniformity. 7 lb. bag is enough for all full sized grills. Click the photo to find easy steps for installing lava rocks.

Part Number: 45887
Material: pummise
Weight: 7.0

==> All GTB20 Accessories.

BBQ Part Categories

Arkla GTB20 -Tuesday, Jun 10 2025

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