Costco GSC3218WA Grill Parts

Highest quality replacement parts for your Costco GSC3218WA - Free USA shipping $49 or more* - No Sales Tax*

Costco GSC3218WA owners manual and diagrams

Diagrams & owners manual not available for grill model# GSC3218WA. 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 the Costco model: GSC3218WA

On this page you'll find all of the parts that fit model Costco GSC3218WA. 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 cooking grid and there are none here, click the cooking grids button to see all of the cooking grids we have for Costco grills. Knowing the dimensions of your existing part will help you find the right part.

To get the correct Costco GSC3218WA 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 Costco 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.

GSC3218WA Burners

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Adjustable universal front-to-back tube burner with top-ported flame holes for Costco model GSC3218WA. This burner may not work with existing ignition electrodes and back burner cross-overs.

Variable length burner adjusts from 13 1/2” to 17 1/2”.
Includes extra hardware and mounting brackets to accommodate almost all grills.
Comes with complete installation instructions and diagrams.

WARNING: Before ordering this universal burner, please verify that it will work in your grill per the specifications above. If you order this universal burner and it does not work in your grill, please review our Return Policy for ”Ordered Wrong Part.” You will be responsible for all shipping fees.

Part Number: FP-BR1001
Material: stainless steel
Weight: 0.7

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Stainless Steel Tube Burner - BBQTek, GrillChef, Pres for Costco model GSC3218WA. Choice

Part Number: PCGCT1
Dimensions: 16 5/8
Material: stainless steel
Weight: 0.85

==> All Costco Burners.

GSC3218WA Cooking Grids

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Cast iron cooking grid for Costco model GSC3218WA. Porcelain treated, matte finish. Sold individually, number required varies by grill model.

Part Number: CG-56P-CI
Dimension Front-to-Back: 17 3/4”
Dimension Side-to-Side: 10 7/16”
Material: cast iron
Weight: 6.75

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Cast iron cooking grids for Costco model GSC3218WA.

SET OF THREE (3) panels
Porcelain treated, matte finish
Each panel measures 17 3/4” x 10 7/16”
Total width: 31 1/4”

Part Number: CG-56P-CI-X3
Dimension Front-to-Back: 17 3/4”
Dimension Side-to-Side: 31 1/4”
Material: cast iron
Weight: 27

==> All Costco Cooking Grids.

GSC3218WA Heat Plates

Heat Plate/ Flame Tamer not known for Costco model GSC3218WA. 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

==> All Costco Heat Plates.

GSC3218WA Accessories

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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

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Stainless steel flipper. The ultimate spatula tool, specially curved for perfect flips every time. 18” overall.

Part Number: SF-1
Dimensions: 18
Material: stainless steel
Weight: 0.4

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EZ Check Gas level indicator. Accurate from -22° to 104°F. Magnetic back. Works on all sizes of tanks.

Part Number: 00030
Weight: 0.1

Scrub brushes. Plastic grill scrubber. Cleans all types of cooking grids. Plastic grip handle.

Part Number: WB-7
Dimensions: 6” x 3 1/2”
Weight: 0.2

==> All GSC3218WA Accessories.

BBQ Part Categories

Costco grill model GSC3218WA - Friday, Aug 1 2025

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More Costco grill models we have parts for
CS784LP \| CS812 \| CS812LP \| CS892LP \| GSC3218WAN \| GSS2116B-1 \| PC-2600L \| PC-2600L (pre 2006) \| PCA-2600L \| PCA-2600L (pre 2006) \| SGIR27LP \| SGR27LP \| SGR30 \| SGR30M \| SGR30MLP \| Steadfast Two \| TGR30LP \| TGR38 \| 1500111 \| 1500131 \| 2001SS-LP \| 210001-LP \| 21009 \| 21011 \| 21118 \| 21118CE \| 21119 \| 21119CE \| 21128 \| 21128CE \| 21129 \| 21129CE \| 44328 \| 44329 \| 463230703 \| 463241205 \| 463242304 \| 463269806 \| 464246004 \| 466242404 \| 466242504 \| 527036 \| 720-0008-LP \| 720-0011 \| 720-0021-LP \| 720-0033 \| 720-0037 \| 720-0038 Classic Pedestal \| Complete list of Costco grill models...

More Costco grill models we have parts for

CS784LP | CS812 | CS812LP | CS892LP | GSC3218WAN | GSS2116B-1 | PC-2600L | PC-2600L (pre 2006) | PCA-2600L | PCA-2600L (pre 2006) | SGIR27LP | SGR27LP | SGR30 | SGR30M | SGR30MLP | Steadfast Two | TGR30LP | TGR38 | 1500111 | 1500131 | 2001SS-LP | 210001-LP | 21009 | 21011 | 21118 | 21118CE | 21119 | 21119CE | 21128 | 21128CE | 21129 | 21129CE | 44328 | 44329 | 463230703 | 463241205 | 463242304 | 463269806 | 464246004 | 466242404 | 466242504 | 527036 | 720-0008-LP | 720-0011 | 720-0021-LP | 720-0033 | 720-0037 | 720-0038 Classic Pedestal | Complete list of Costco grill models...