Arkla GTB20 Grill Parts

Single Gasket Kit Economy Burners

Part Number: SHK4
Weight: 0.01

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

Porcelain steel cooking grid for Arkla model GTB20. Porcelain enameled, glossy finish. Sold individually.

Part Number: 54501
Dimension Front-to-Back: 13”
Dimension Side-to-Side: 19”
Material: porcelain steel wire
Weight: 4.6

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

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

Heat Plate/ Flame Tamer not known for Arkla model GTB20. Our parts information for this grill model is incomplete, and we really don't know with certainty which heat plate fits this model. It may be that we have the part but don't show it here due to data or other error.

If you know the original OEM part number, try searching for it in the search box at the top of this page.

You can also browse through all of the heat plates we carry for your brand grill. If we don't have the exact fit for your grill, we may have a suitable replacement part. Measure your existing part so you'll know exactly what size is needed.

If you have this grill model and know the number and dimensions of your original heat plates, click here to send an email to our GrillDr that includes this information. We greatly appreciate your help.

Part Number: HP-DUMMY
Weight: 1.0

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

Durable 2 5/16” round briquettes

• Self-cleaning
• Control flare-ups while holding an even heat pattern.
• About 53 pieces, covers approximately 275 sq. inches.
• Fits all gas grills

Part Number: BQ-5
Weight: 7.2

Ultimate ceramic grill bricks. 18 ceramic bricks covers 165 sq. inches. Designed to replace existing lava rock and ceramic briquettes.

• Self cleaning
• Reduces flare-ups
• Eliminates cold spots
• Lasts longer
• Stays hotter longer
• Each brick measures 3” x 3” x3/8”

Part Number: 43118
Weight: 2.7

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

Cast iron smoker box with six oblong venting holes. Designed to release wood smoke. Make sure this part will fit into your grill before ordering 8 3/8” x 5 1/4” x 1 3/8”.

Part Number: 00150
Dimensions: 5 1/4” x 8 3/8”
Material: cast iron
Weight: 3.90

Basting brush with angled oak handle. 18” overall length.

Part Number: BB-5
Dimensions: 18
Weight: 0.8

Chrome plated rib/potatoe rack. Spaces up to 6 racks of ribs and 6 potatoes. Fits all grills. 12” x 7 1/4”.


Part Number: RR-2
Material: chrome steel
Weight: 1.0

Replacement brass bristle brush head for WB-8 brush. Screws included.

Part Number: WB-8RH
Dimensions: 18 1/2
Material: stainless steel
Weight: 0.2