Arkla GTB18 Grill Parts

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Highest quality replacement parts for your Arkla GTB18 - Free USA shipping $49 or more* - No Sales Tax*

 

Arkla GTB18 owners manual and diagrams
Diagrams & owners manual not available for grill model# GTB18. 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 BBQ grill parts for Arkla model: GTB18
All of the parts we have for Arkla GTB18 are shown on this page. If you can't find the part you need below, click on the appropriate category button on the right side of the page. For example, if your looking for a heat indicator and there are none here, click the heat indicator button to see all we have for Arkla grills. Knowing the dimensions of your existing part will help you find the right part.

To get the correct Arkla GTB18 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.
 


GTB18 Venturis

Single Gasket Kit Economy Burners

Part Number: SHK4
Weight: 0.01

$4.16
 

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

$19.87
 

 





GTB18 Cooking Grids

Cooking grid not known for Arkla model GTB18. Our parts information for this grill model is incomplete, and we really don't know with certainty which cooking grid 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 Arkla cooking grids we carry. If we don't have the exact fit grid for your grill, we may have a suitable replacement part. Measure your existing part as well as the the grid support area of the grill so you'll know exactly what size grids will fit.

If you have this grill model and know the number and dimensions of your original cooking grids, please share this information with us. Click here to send an email to our GrillDr that includes this information. We greatly appreciate your help.

Part Number: CG-DUMMY
Weight: 1.0
 





GTB18 Heat indicators and Meat Thermometers

Universal four piece mini thermometer set. Great gift idea.
  • 2 calibrated for steak, and 2 for chicken
  • Mini thermometers for testing doneness of individual cuts of meat
  • Silicone bezels for easy removal when hot
  • Always use caution when handling hot objects


Part Number: 11381
Weight: .25

$16.45
 

 





GTB18 Accessories

Maple wood chips.
  • All natural wood smoke flavor
  • Great for use in BBQ's or smokers.
  • 170 cubic inches (2 lbs. approx) in resealable bag


Try with portk, lamb, poultry, and fish.

Part Number: 00270
Weight: 1.3

$9.05
 

Polished stainless steel turner with an ergonomic soft grip grey handle and red accents. Great for flipping burgers or turning delicate fish fillets.



Part Number: 43108
Dimensions: 16
Material: stainless steel
Weight: 0.10

$9.48
 

Set of six 22” stainless steel V skewers with wood handles and silicone bezels. Silicone bezel helps the handle stay cool longer. V-shaped skewers keep food from spinning on shaft.

Part Number: 40538
Material: chrome steel
Weight: 1.1

$15.59
 

Rib & Roast Rack.

Reversible rib rack and roast support. Made of stainless steel with a frame that holds 6 racks of ribs and a roast support for large cuts of meat.



Part Number: 41616
Material: stainless steel
Weight: 0.5

$24.00
 

Stuffed Burger Press

The stuffed burger press is the best way to make gourmet stuffed and regular burger patties right at home. Easy to disassemble and clean.



Part Number: 24795
Weight: .3

$13.25
 

 



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Arkla gas grill GTB18 - Tuesday, May 12 2026

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More Arkla grill models we have parts for
G446-25N | G446-34I | G446-34L | G446-40I | G446-40I1 | G446-40L1 | G446-42L | G447-25N | G447-44N | G447-58-44R | G464-4C | G464-5C | G464-6 | G464-6C | G484-6 | G484-6C | G527-6B | G527-6B-44R | G584-6C | GA-30C | GA20 | GA241517 | GA301517 | GA350617 | GA351517 | GA400517 | GA400617 | GA440517 | GA440617 | GB21-332I | GB21-332L | GB21-333I | GB21-333L | GB30-330I | GB30-330L | GB30C | GB40-330I | GB40-330L | GBH-27C | GE300517 | GE300617 | GE30067 | GE350617 | GE400517 | GE400617 | GF424-217SB | GF424-SB | GF424-SL | GF430-217-SB | GF430-286-EB | Complete list of Arkla grill models...



*Orders for Arkla grill model GTB18 $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