Arkla GRB20-SL Grill Parts

Highest quality replacement parts for your Arkla GRB20-SL - Free USA shipping $49 or more* - No Sales Tax*

Arkla GRB20-SL owners manual and diagrams

Diagrams & owners manual not available for grill model# GRB20-SL. 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 for Arkla model: GRB20-SL

This page shows all of the parts we know fit model Arkla GRB20-SL. 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 GRB20-SL 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.

GRB20-SL Venturis

SHK4

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Single Gasket Kit Economy Burners

Part Number: SHK4
Weight: 0.01

70401

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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.

GRB20-SL Cooking Grids

CG-11P

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1-piece porcelain coated steel rod cooking grid for Arkla model GRB20-SL.

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.

GRB20-SL Rock/Briquette Grates

BG-4

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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.

GRB20-SL Accessories

45887

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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

SSST

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Stainless steel smoker box with cover. For use with all grills. Insert moistened wood chips (not included) for your favorite smoke flavor, 8 3/4” x 3 1/2” x 1 1/2”.

Part Number: SSST
Material: stainless steel
Weight: 1.5

US10

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5-piece unique tennis oriented utensil set. Constructed of heavy stainless steel with ”tennis grips” on each utensil. Includes yellow tennis ball style salt & pepper shakers, along with spatula, fork and tong.

Makes a nice gift.for tennis-minded folks

Part Number: US10
Weight: 5.00

11040

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7” Bamboo BBQ Kabobs. Appetizer Server/Grilling Skewers - pack of 50. Limited to supplies on hand.

Ideal for searving or grilling appetizers
Wide end for easy handling

Part Number: 11040
Dimensions: 7
Weight: 0.4

14913

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Stainless Steel Basting Set.

Measurements inside the stainless steel bowl for accurate sauce preparation. Includes silicone basting brush.

Part Number: 14913
Material: stailess steel
Weight: 0.5

50426

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Aluminum foil grilling trays. Package of three.

Heavy duty aluminum foil
Re-usable
Great for grilling delicate foods like fish and veggies

Part Number: 50426
Dimensions: 9” x 13”
Weight: 0.4

WB-1

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12” long wood handle brass bristle grid brush with scraper and leather hang strap.

Part Number: WB-1
Dimensions: 12
Weight: 0.4

==> All GRB20-SL Accessories.

BBQ Part Categories

Arkla grill GRB20-SL - Tuesday, May 12 2026

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More Arkla grill models we have parts for

GE400617 | GF424-217SB | GF424-SB | GF424-SL | GF430-217-SB | GF430-286-EB | GF430-286-EI | GF430-286-EL | GF430-292-EB | GF430-292-EL | GF430-329-EA | GF430-329-EI | GF430-329EL | GF430-EB | GF430-EI | GF430-EL | GF430-SB | GF430-SI | GF430-SL | GF540-286-EB | GF540-286-EL | GF540-286-SB | GF540-292-E1 | GF540-292-EB | GF540-292-EI | GF540-292-EL | GF540-292-ELV | GF540-292-EUB | GF540-330 | GF540-330-EAV | GF540-330-EI | GF540-330-EI-1 | GF540-330-EIV | GF540-E12 | GF540-EA | GF540-EB | GF540-EI | GF540-EI2 | GF540-EIV | GF540-EL | GF540-ELV | GF540-EVB | GF540-SB | GP304-3535LL | GP304-35L | GR0909 | GR1515 | GR1515 post | GR1515 upfront | GR1515-1 | Complete list of Arkla grill models...

*Orders for Arkla grill model GRB20-SL $49 and over ship free to the lower 48 states.
See shipping policy below for more info.

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Build Date: May 12 2026