Costco 21128CE Grill Parts

Highest quality replacement parts for your Costco 21128CE - Free USA shipping $49 or more* - No Sales Tax*

Costco 21128CE owners manual and diagrams

Diagrams & owners manual not available for grill model# 21128CE. 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: 21128CE

This page shows all of the parts we know fit model Costco 21128CE. 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 an ignitor, or other ignition components, and there are none here, click the ignition button to see what we have for Costco grills. Knowing the dimensions of your existing part will help you find the right part.

To get the correct Costco 21128CE 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.

21128CE Burners

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44305-R 5-Pack Cast stainless steel burners for Costco model 21128CE.

Replaces original Bull part# 44305
Includes adjustable air shutter and screw in the venturi for adjusting air flow.
Sold as a set of five (5) burners

Note: The original 44305 burner was a welded stainless steel burner. This replacement burner is a solid cast stainless burner, equivelant to OEM# 16516.

Part Number: BULL-44305-R-X5 (Replaces Costco BULL-44305-X5)
Dimensions: 16 1/4” x 2 7/8”
Material: stainless steel
Weight: 16.25

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44305-R Cast stainless steel heavy-duty burner for Costco model 21128CE.

Replaces original Bull part# 44305
Includes adjustable air shutter and a screw in the venturi for adjusting air flow.
Sold individually

Note: The original 44305 burner was a welded stainless steel burner. This replacement burner is a solid cast stainless burner, equivelant to OEM# 16516.

Part Number: BULL-44305-R (Replaces Costco BULL-44305)
Dimensions: 16 1/4” x 2 7/8”
Material: cast stainless steel
Weight: 4.0

==> All Costco Burners.

21128CE Cooking Grids

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16517-R 5-Pack Stainless steel cooking grates for Costco model 21128CE.

SET OF FIVE (5)
Premium grade 304 stainless steel
Solid stainless rods

NOTE: Some models refer to this part as a Cooking Grid.

This part replaces original BULL part# 16517.

Part Number: BULL-16517-R-X5 (Replaces Costco BULL-16517-X5)
Dimension Front-to-Back: 19 1/2”
Dimension Side-to-Side: 7 1/2”
Material: stainless steel
Weight: 25.00

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16517-R Stainless steel cooking grate for Costco model 21128CE.

Premium grade 304 stainless steel
Solid stainless rods
Sold individually

NOTE: Some models refer to this part as a Cooking Grid.

This part replaces original BULL part# 16517.

Part Number: BULL-16517-R (Replaces Costco BULL-16517)
Dimension Front-to-Back: 19 1/2”
Dimension Side-to-Side: 7 1/2”
Material: stainless steel
Weight: 5.00

==> All Costco Cooking Grids.

21128CE Heat Plates

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16521-R 5-PACK Premium grade stainless steel flame tamers for Costco model 21128CE.

Replacement for original Bull part# 16521.
Fits Bull-made 4 and 5-Burner grills.
One required for each burner.
Sold as a set of five (5).

Part Number: BULL-16521-R-X5 (Replaces Costco BULL-16521-X5)
Dimension Front-to-Back: 17 5/8”
Dimension Side-to-Side: 4 5/8”
Material: stainless steel
Weight: 4.5

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16521-R Premium grade stainless steel flame tamer for Costco model 21128CE.

Replacement for original Bull part# 16521.
Fits Bull-made 4 and 5-Burner grills.
SOLD INDIVIDUALLY.

Part Number: BULL-16521-R (Replaces Costco BULL-16521)
Dimension Front-to-Back: 17 5/8”
Dimension Side-to-Side: 4 5/8”
Material: stainless steel
Weight: .90

==> All Costco Heat Plates.

21128CE Accessories

Wundersmoke Mesquite Chips. These unique mesquite wood smoking chips add distinctive flavoring to your food. For use will all grills. Comes with reusable puck. One 1lb bag.

Part Number: BP-5
Weight: 1.0

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20” Professional Extra Long Tong.
20” Stainless steel tong with red soft grip rubber inserts. Grip your food on the grill with ease. Manual lock saves on storage space.

Part Number: 40269
Material: stainless steel
Weight: 0.14

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Universal Grid Lifting Tool

Part Number: BRGG
Weight: 1.0

==> All 21128CE Accessories.

BBQ Part Categories

Costco grill model 21128CE - Tuesday, Jun 10 2025

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More Costco grill models we have parts for
21009 \| 21011 \| 21118 \| 21118CE \| 21119 \| 21119CE \| 21128 \| 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 \| 720-0038-04U Classic Pedestal \| 720-0039-LP \| 720-0070-LP \| 720-0077-LP \| 720-0083-04R \| 720-0108 \| 720-0193 \| 720-0432 \| 720-0709B \| 720-0720 \| 720-0727 \| 720-0733 \| 720-0830MB \| 720-0896CA \| 720-0954G \| 730-0954G \| 740-0711 \| 740-0712 \| 780-0832C \| 860-0193 \| Bread Breaker Two \| CGR27 \| CGR27LP \| CGR30 \| Complete list of Costco grill models...

More Costco grill models we have parts for

21009 | 21011 | 21118 | 21118CE | 21119 | 21119CE | 21128 | 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 | 720-0038-04U Classic Pedestal | 720-0039-LP | 720-0070-LP | 720-0077-LP | 720-0083-04R | 720-0108 | 720-0193 | 720-0432 | 720-0709B | 720-0720 | 720-0727 | 720-0733 | 720-0830MB | 720-0896CA | 720-0954G | 730-0954G | 740-0711 | 740-0712 | 780-0832C | 860-0193 | Bread Breaker Two | CGR27 | CGR27LP | CGR30 | Complete list of Costco grill models...