Thermos 14903 Grill Parts

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Highest quality replacement parts for your Thermos 14903 - Free USA shipping $49 or more* - No Sales Tax*

 

Thermos 14903 owners manual and diagrams
Diagrams & owners manual not available for grill model# 14903. 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 Thermos model: 14903
This page shows all of the parts we know fit model Thermos 14903. 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 Thermos grills. Knowing the dimensions of your existing part will help you find the right part.

To get the correct Thermos 14903 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 Thermos 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.
 


14903 Cooking Grids

Cooking Grid Stainless Steel Prochef for Thermos model 14903.

Part Number: CG-50SS
Dimension Front-to-Back: 14 1/2”
Dimension Side-to-Side: 10 1/2”
Material: stainless steel
Weight: 2.80

$48.80
 

1-piece chrome plated cooking grid for Thermos model 14903.

Part Number: CG-27
Dimension Front-to-Back: 14 1/2”
Dimension Side-to-Side: 22”
Material: Chrome steel
Weight: 3.4

$40.67
 

Commercial 304 grade stainless steel cooking grid with 1/4” diameter rods for Thermos model 14903. Sold individually. Made in USA.

Part Number: CG-53SS
Dimension Front-to-Back: 14 3/4”
Dimension Side-to-Side: 21 1/2”
Material: Stainless steel
Weight: 5

$72.33
 

 





14903 Heat Plates

Heat Plate/ Flame Tamer not known for Thermos model 14903. 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
 





14903 Igniter Components

20” Ignitor adapter wire with female spade connector and male round connector. Used primarily on Ducane models 7100 and 7200 to extend the wire from the 03758 collector box and electrode to the electronic spark generator (igniter).

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: 03750
Dimensions: 1/16
Weight: 0.05

$6.01
 

Universal adapter wire with male round and female spade connectors.

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: 03751
Weight: 0.05

$3.98
 

Tongue style collector box for burner mounted applications. Includes preinstalled electrode with round female connector end and 20” wire. Fits on all of our Deluxe stainless H burners (LB, SB, DLB, DSB) using special mounting bracket on these burners. Will not fit on cast iron burners (see part IG-15B for cast iron burner applications).

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: IG-5B
Weight: 0.3

$11.39
 

Ignitor electrode and collector box assembly. Fits all grills equiped with the Charbroil Masterflame and MasterFlame II burner systems, including grill brands Charbroil, Coleman, Kenmore, and Thermos. Fits on our burner part numbers BBC, LBBC, TBBC, and TLBBC.
    Includes:
  • Gas collector box
  • Ceramic electrode and wire
  • Mounting hardware

For more information about ignition systems and components, please see article Ignition 101 in our help center.



Part Number: IG-11B
Weight: 0.3

$9.74
 

 





14903 Warming Racks

Universal warming rack. For use on grills with at least 22” inside dimension.

Part Number: AP-6A
Dimensions: 6” x 21 1/2”
Material: Chrome steel
Weight: 1.3

$23.33
 

 





14903 Accessories

Natural lava rock processed and screened for uniformity. 7 lb. bag is enough for all full sized grills. Click the photo to find easy steps for installing lava rocks.

Part Number: 45887
Material: pummise
Weight: 7.0

$24.95
 

HOW TO GRILL The Complete Illustrated Book of Barbecue Techniques. Steve Raichlen presents a full-color, step-by-step technique book that gets to the core of the grilling experience by showing and telling exactly how it's done. With more than 1,000 photographs, if features over 100 techniques and recipes, from how to set up a three-zone fire to how to grill a perfect prime rib, to grilling pizza, shellfish, vegetables, tofu, fruit, and s'mores.

Part Number: 0-7611-2014-9
Dimensions: 8” x 9 1/4”
Material: Paperback
Weight: 3.0

$20.09
 

4 Piece Stainless Steel Tool Set With Accents Turner, tong, and fork constructed of high gade, polished stainless steel, with soft grip accents. Silicone tip tongs heat resistant to 500 degrees farenheit. High quality grill brush.

Part Number: 40070
Material: stainless steel
Weight: 2.12

$39.08
 

GrillPro ® grid lifter removes both cast and stainless cooking grids.

One set of tines to remove cast and another to remove stainless cooking grids.

Stainless tip, resin handle.



Part Number: 76745
Material: stainless
Weight: .2

$7.74
 

Basting brush with angled oak handle. 18” overall length.

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

$9.36
 

Porcelain Coated Round Topper.
11” diameter x 2.5” deep porcelain coated wok with stainless steel handles and perforations. Rolled edge for rigidity and safety.

Part Number: 98130
Dimensions: 11
Material: porcelain steel
Weight: 1.0

$19.15
 

Cannon Grill Towel.

Part Number: CGT
Dimensions: 16” x 25”
Weight: 0.30

$20.58
 

 



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Thermos grill 14903 - Tuesday, May 12 2026

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*Orders for Thermos grill model 14903 $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