Nexgrill STS 720-0057-3B Grill Parts

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Highest quality replacement parts for your Nexgrill STS 720-0057-3B - Free USA shipping $49 or more* - No Sales Tax*

 

Nexgrill 720-0057-3B owners manual and diagrams
Diagrams & owners manual not available for grill model# 720-0057-3B. 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 Nexgrill STS 720-0057-3B
This page shows all of the parts we know fit model Nexgrill 720-0057-3B. We might not show the part you need here but we may still have it, or a functional equivalent. In this case, try the category buttons on the right. 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 Nexgrill grills. Knowing the dimensions of your existing part will help you find the right part.

To get the correct Nexgrill 720-0057-3B 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 Nexgrill 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.
 


720-0057-3B Burners

Cast iron burner for Nexgrill model 720-0057-3B.

Part Number: CIT (Replaces Nexgrill SKU-259895)
Dimensions: 15 3/4” x 2 7/8”
Material: cast iron
Weight: 4.2

$36.87
 
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Cast stainless steel burner for Nexgrill model 720-0057-3B. Tired of changing out rusted cast iron burners? Far superior to the cast iron and brass versions, this burner will probably outlast your grill. Designed to replace cast iron and brass burners of same design.

NOTE: This burner is equiped with an air intake adjustable control shutter (not shown in photos) and with an air intake control screw for regulating the air/gas mixture into the burner. Natural gas applications require more air (more open screw) than lquid propane (LP). If necessary, adjust screw to get a yellow-tipped blue flame.

Part Number: 23301-CSS
Dimensions: 16” x 2 7/16”
Material: cast stainless steel
Weight: 3.2

$99.99
 
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720-0057-3B Burner Brackets and Carryovers

Stainless steel burner mounting bracket with integrated gas carryover tubes. Made in USA

Part Number: CLA-MS0104
Dimensions: 3 5/16” x 23 3/16”
Material: stainless steel
Weight: 1.5

$43.23
 
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720-0057-3B Cooking Grids

Premium quality heavy duty stainless steel cooking grid for Nexgrill model 720-0057-3B. Our USA-made premium stainless grids are simply the best obtainable. We have them manufactured here in the USA to our specifications and standards, which are high. Of course, they're not available anywhere else.

Unlike the standard issue stainless grids generally found today, which are typically low grade stainless and sometimes hollow, or coated carbon steel, our premium grids are made from solid high quality stainless steel rods. If you're looking for the best, you've found it. Just look at the weight of one of these grids, over 8 pounds of solid stainless each.

  • 304 commercial grade stainless steel
  • Large diameter 5/16” solid stainless rods
  • Dimensions: 19 1/4” x 12 1/2”
  • Made in USA.
  • Sold individually.


Part Number: CLA-GS0190 (Replaces Nexgrill SKU-210161)
Dimension Front-to-Back: 19 1/4”
Dimension Side-to-Side: 12 1/2”
Material: stainless steel
Weight: 8.0

$114.05
 
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Cast iron cooking grids for Nexgrill model 720-0057-3B. SET OF TWO (2) panels.
  • Porcelain treated, matte finish
  • Each panel measures 19 1/8” x 12 3/8”
  • Overall dimensions: 19 1/8” x 24 3/4”


Part Number: CG-58P-CI-X2 (Replaces Nexgrill SKU-210161)
Dimension Front-to-Back: 19 1/8”
Dimension Side-to-Side: 12 3/8”
Material: cast iron
Weight: 16.7

$124.96
 
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Cast iron cooking grid for Nexgrill model 720-0057-3B. Porcelain treated, matte finish. Sold individually, number required varies by grill model.

Part Number: CG-58P-CI
Dimension Front-to-Back: 19 1/8”
Dimension Side-to-Side: 12 3/8”
Material: cast iron
Weight: 8.35

$69.50
 
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720-0057-3B Rock/Briquette Grates

Stainless steel Flame Tamer with 17 ceramic briquettes. This part also replaces an older 16-briquette version that was a little shorter and a bit narrower.

Part Number: TCCFT (Replaces Nexgrill SKU-244475)
Dimension Front-to-Back: 18 1/8”
Dimension Side-to-Side: 7 1/4”
Material: stainless steel
Weight: 5.0

$78.11
 
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720-0057-3B Heat Plates

Stainless steel Heat Tent for Nexgrill model 720-0057-3B.

Part Number: COHP1
Dimension Front-to-Back: 16 1/2”
Dimension Side-to-Side: 6 1/4”
Material: stainless steel
Weight: 1.45

$40.65
 
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720-0057-3B Valves, Orifices, and Manifolds

Clamp-on valve. Does not include orifice. Uses orifice # 31300.

Part Number: 3052C
Dimensions: 4 1/2” x 2 3/8”
Material: brass
Weight: 0.5

$39.86
 
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Orifice for flame-thrower valves. 6mm head, 4.9mm thread diameter. #72 starter hole, must be drilled to proper drill size.

Part Number: 31300
Weight: 0.01

$7.54
 
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720-0057-3B Accessories

41650
50-piece ceramic briquette set. Works in all grills designed for briquettes or lava rock. Fits briquette tray parts 94751, 92571 and other simular trays.

Part Number: 41650
Dimensions: 2” x 2”
Material: ceramic
Weight: 7.2

$49.97
 
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Ceramic briquette. Briquettes collect heat and radiate it to the food on the cooking grids. They also help prevent flare-ups and keep the flames from actually touching the food allowing for more efficient and uniform heat distribution.

Designed primarily to work in stainless steel trays on Lynx, Alfresco, and other brand grills, these briquettes can be and often are used on any grill with an ordinary grate to support them.

  • Individual briquettes measure 2” x 2”
  • Set includes 28 ceramic briquettes
  • More than one set may be required per grill model


Part Number: BQLYX
Dimensions: 2” x 2”
Material: ceramic
Weight: 4.0

$50.28
 
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41648
Ceramic briquettes 48 pieces. Fits briquette trays 94751, 92571 and and simular trays. Works in all grills designed for briquettes or lava rock. Each briquette measures 2” x 2” x 3/4".

Part Number: 41648
Dimensions: 2” x 2”
Material: ceramic
Weight: 7.5

$81.05
 
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GrillPro Wood chips from genuine oak whiskey barrels.
  • All natural wood smoke flavor
  • Great for use in BBQ's or smokers.
  • 170 cubic inches (2 lbs. approx) in resealable bag

Try with beef, burgers, pork, lamb, poultry, and fish.

Part Number: 00215
Weight: 2.0

$9.34
 
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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

SALE  $14.99
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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
 
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Basting brush with angled oak handle. 18” overall length.

Part Number: BB-5
Dimensions: 18
Weight: 0.8

$9.36
 
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Roast holder. This holder is an ideal way to cook and also carry a roast from the grill. Made of heavy, bright nickel-plated steel, 15 1/4” L x 10 1/2” W.

Part Number: RR-3
Dimensions: 19 1/2
Weight: 1.0

$13.71
 
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Grill Mitt With Neoprene Palm.

16 in. silicone mitt diffuses heat away from the hand and washes easily. Black palm / red colored cuff. Cotton lined.
*One Size Fits Most



Part Number: 90963
Weight: 0.2

$17.59
 
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Nexgrill gas grill 720-0057-3B - Tuesday, Oct 7 2025

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More Nexgrill grill models we have parts for
720-0142-LP | 720-0145-LP | 720-0145-NG | 720-0150-LP | 720-0151-NG | 720-0152-LP | 720-0152-NG | 720-0163 | 720-0164 | 720-0165 | 720-0170 | 720-0171 | 720-0193 | 720-0230 | 720-0234 | 720-0247-LP | 720-0266 | 720-0267 | 720-0274 | 720-0289 | 720-0294 | 720-0304 | 720-0309 | 720-0309-LP | 720-0311 | 720-0312 | 720-0319 | 720-0322 | 720-0323 | 720-0324 | 720-0335 | 720-0336 | 720-0336B | 720-0336C | 720-0336D | 720-0337 | 720-0339 | 720-0340 | 720-0341 | 720-0396 | 720-0419 | 720-0430 | 720-0432 | 720-0433 | 720-0439 | 720-0440-LP | 720-0441-LP | 720-0459 | 720-0486 | 720-0490 | Complete list of Nexgrill grill models...



*Orders for Nexgrill STS grill model 720-0057-3B $49 and over ship free to the lower 48 states.
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Build Date: Oct 7 2025