Home > Costco Grill Models > Costco 21128CE
Urban Islands 5-BURNER 304 STAINLESS STEEL, ROTISSERIE, BUILT-IN, L.P. (PROPANE)
We recommend you measure your old parts and compare them to what we show below. This will help insure that you get the correct replacement parts for your Costco grill. This is best done with the old parts out of the grill. Verify your Costco grill model number.
Replacement gas grill parts for Costco model: 21128CE
21128CE Burners
44305-R 5-Pack Cast stainless steel burners.
- 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
Material: stainless steel
Weight: 16.25
Dimensions: 16 1/4” x 2 7/8”
44305-R Cast stainless steel heavy-duty burner.
- 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
Material: cast stainless steel
Weight: 4.0
Dimensions: 16 1/4” x 2 7/8”
21128CE Cooking Grates
16517-R 5-Pack Stainless steel cooking grates.
- 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.
Made in USA 
Part Number: BULL-16517-R-X5
Material: stainless steel
Weight: 25.00
Dimensions:
- Front-To-Back: 19 1/2″
- Side-To_Side: 7 1/2″
16517-R Stainless steel cooking grate.
- 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.
Made in USA
Part Number: BULL-16517-R
Material: stainless steel
Weight: 5.00
Dimensions:
- Front-To-Back: 19 1/2″
- Side-To_Side: 7 1/2″
21128CE Flame Tamers
16521-R 5-PACK Premium grade stainless steel flame tamers.
- 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).
Made in USA
Replaces Costco factory part# BULL-16521-X5
Part Number: BULL-16521-R-X5
Material: stainless steel
Weight: 4.5
Dimensions:
- Front-To-Back: 17 5/8″
- Side-To_Side: 4 5/8″
16521-R Premium grade stainless steel flame tamer.
- Replacement for original Bull part# 16521.
- Fits Bull-made 4 and 5-Burner grills.
- SOLD INDIVIDUALLY.
Made in USA
Replaces Costco factory part# BULL-16521
Part Number: BULL-16521-R
Material: stainless steel
Weight: .90
Dimensions:
- Front-To-Back: 17 5/8″
- Side-To_Side: 4 5/8″
21128CE Accessories
Cedar grilling planks adds a delicious wood-smoke flavor to foods grilled on them. Great for salmon! 11 7/8” x 5 1/4” x 5/16” 100% natural cedar. Two planks per pack.
Part Number: 00281
Weight: .45
Dimensions: 11 7/8
Polished stainless steel turner with an ergonomic soft grip grey handle and red accents.
Part Number: 43108
Material: stainless steel
Weight: 0.10
Dimensions: 16
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
Deluxe non-stick chicken and rib tumble basket. Attaches to rotisserie spit rod.
- Ideal for cooking pieces of meat or vegetables
- Self basting, easy to use
- Locks on spit rod with thumb screw (supplied)
- 6 1/2” x 10” long
Part Number: 24764
Weight: 1.1
Dimensions: 6 1/2” x 10”
Abrasive scrubbing brush. Ideal for cleaning porcelain grills.
Part Number: 71448
Weight: 0.2
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Costco model 21128CE. If the BBQ grill part you are looking for is not listed above, make a note
of the dimensions of your original part and try searching by part category. Oct 15 2025
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