Great Outdoors GH450XBP Grill Parts

Great Outdoors logo

 

Great Outdoors GH450XBP

Great Outdoors Horizon 2-Burner LP gas grill from True Value

 

Highest quality replacement parts for your Great Outdoors GH450XBP - Free USA shipping $49 or more* - No Sales Tax*

 

Great Outdoors GH450XBP owners manual and diagrams
Diagrams & owners manual not available for grill model# GH450XBP. 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 Great Outdoors model: GH450XBP
This page shows all of the parts we know fit model Great Outdoors GH450XBP. If the part you're shopping for isn't included below, you might find it using the category buttons on the right side of the page. For example, if your looking for a burner and there are none here, click the burner button to see all the burners we have for Great Outdoors grills. You will need to know the dimensions of your existing grids to help you find the right part.

To get the correct Great Outdoors GH450XBP 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 Great Outdoors 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.
 


GH450XBP Burners

Stainless steel burner and venturi assembly kit for Great Outdoors model GH450XBP. Contains one standard EDSB SS H burner and two V-12 adjustable universal venturis.

Part Number: EDSB+V-12
Dimensions: 7 1/4” x 15 1/2”
Material: stainless steel
Weight: 2.0

$68.63
 

Standard stainless steel burner with adjustable legs for Great Outdoors model GH450XBP. Comes with gasket and scews.

Part Number: EDSB
Dimensions: 7 1/4” x 15 1/2”
Material: stainless steel
Weight: 1.5

$43.85
 

Deluxe stainless steel twin-venturi burner and venturi assembly for Great Outdoors model GH450XBP. Includes:
  • DSB stainless steel H burner.
  • Deluxe burners have a special spot-welded mounting bracket for optional IG-5B universal tongue-style collector box and electrode. The IG-5B can be used in applications where the factory ignition system is irrepairable, non existant, or otherwise unusable.
  • Two (2) V-12 stainless steel single venturi.
  • Venturi gasket and mounting nuts (venturi mounts with nuts and bolts, not screws).
  • 5 year MHP limited warranty.
  • Click here for features of MHP deluxe SS burner.


Part Number: DSB+V-12
Dimensions: 8 1/8” x 16”
Material: stainless steel
Weight: 2.0

$71.25
 

Deluxe stainless steel twin-venturi burner for Great Outdoors model GH450XBP. Includes:
  • DSB stainless steel H burner (venturi not included).
  • Deluxe burners have a special spot-welded mounting bracket for optional IG-5B universal tongue-style collector box and electrode. The IG-5B can be used in applications where the factory ignition system is irrepairable, non existant, or otherwise unusable.
  • Venturi gasket and mounting nuts (venturi mounts with nuts and bolts, not screws).
  • 5 year MHP limited warranty.
  • Click here for features of MHP deluxe SS burner.


Part Number: DSB
Dimensions: 8 1/8” x 16”
Material: stainless steel
Weight: 1.5

$46.63
 

 





GH450XBP Venturis

two venturi gaskets with screws

Part Number: 00400
Dimensions: 3 1/16” x 1 1/4”
Weight: 0.05

$5.31
 

Stainless steel corrugated tubing to resist rust and corrosion single venturi. O-Ring seat for positive gas seal. Flexible and adjustable from 8” to 11”. Gasket & screws not included, see part # SHK4, sold individually.

Part Number: V-12
Dimensions: 11
Material: stainless steel
Weight: .3

$15.73
 

Single Gasket Kit Economy Burners

Part Number: SHK4
Weight: 0.01

$4.16
 

Universal Spider Guards. Helps prevent dangerous flashback fires caused by spider webs in venturi tubes.Stainless steel spider guards slip over the air shutter on most venturi tubes to help keep the spiders out. For 3/4” venturi tubes.

Part Number: SG-B
Material: stainless steel
Weight: 0.1

$7.65
 

 





GH450XBP Cooking Grids

Heavy duty stainless steel cooking grid for Great Outdoors model GH450XBP. Far superior to the original, this high quality grid is made of solid 304 stainless steel. Replaces original part# AZ001355. Made in USA.


Part Number: CLA-GS0027
Dimension Front-to-Back: 15 7/8”
Dimension Side-to-Side: 23 1/8”
Material: stainless steel
Weight: 4.8

CLEARANCE  $35.19
 

 





GH450XBP Heat Plates

Stainless steel heat plate for Great Outdoors model GH450XBP. Sold individually, number required varies. Made in USA.

NOTE: Sometimes shipped with vinyl peel-off coating. Remove before use.

Part Number: CLA-TS0028
Dimension Front-to-Back: 12 1/2”
Dimension Side-to-Side: 19”
Material: stainless steel
Weight: 2.2

$43.61
 

 





GH450XBP 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
 

Universal collector box with electrode and wire. Fits most H burners, cast iron and stainless. Mounts to burner using venturi screws. Slotted construction allow universal adjustment of electrode position.

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



Part Number: IG-15B
Weight: 0.3

$14.41
 

 





GH450XBP Regulators and Hoses

Type 1 LP Regulator with 22” Pressure Hose and 3/8” Female Flare Fitting.FITS: Up to 60,000 BTUs



Part Number: HR-4B
Weight: 0.8

$35.70
 

 





GH450XBP Warming Racks

Universal premium quality stainless steel warming rack. You simply can't buy a better quality warming rack than this, which weighs in at almost 5lbs of solid 304 grade stainless steel. This super heavy-duty warming rack was made to replace the porcelain coated steel racks found on BBQ grills made by The Great Outdoors Grill Company, but can be used in any grill wide enough inside for the 24” rack.
  • Far superior to the original porcelain coated steel rack
  • Rests on your existing cooking grids.
  • Solid 1/4” 304 stainless steel rods.
  • Stands 3.75 inches tall.
  • Made in USA.

NOTE: Before ordering this universal rack, please verify your grill has enough space to accommodate it. What's required?

  • Your grill needs to be at least 24” wide on the inside . The warming rack is 6.25” front to back and stands 3.75” tall.
  • Notice the shape of the warming rack. Determine if the lid of your grill can easily close with the warming rack inside.

    Part Number: CLA-WS0040
    Dimensions: 6 1/4” x 22 7/8”
    Material: stainless steel
    Weight: 4.8

$71.75
 

 





GH450XBP Accessories

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
 

Shish-ke-bab set. 6 chrome plated 14” skewers with convenient folding rack; folds out to 10” x 13 3/4”.

Part Number: 41338
Weight: 1.1

$22.60
 

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

$14.41
 

Aluminum foil grilling trays. Package of three.
  • Heavy duty aluminum foil
  • Re-usable
  • Great for grilling delicate foods like fish and veggies


Part Number: 50426
Dimensions: 9” x 13”
Weight: 0.4

$8.64
 

Stainless Steel Scraper for Phoenix and Holland Drip Trays

Part Number: SDDPS
Dimensions: 20
Weight: 0.30

$18.07
 

 



BBQ Part Categories



















 
 

Great Outdoors grill model GH450XBP - Tuesday, May 12 2026

Return to Great Outdoors grill parts main page



More Great Outdoors grill models we have parts for
1000 | 1000K | 4000 | 4000W | 4100 | 4100W | 42144 | 432SL | 5500 | 5500K | 5500N | 6000 | 6000N | 6000W | 6100 | 6100N | 7000 | 7000H | 7000N | 7000W | 7500 | 7500W | 8000 | 8000N | 8100 | 8100LP | 8100N | 8500 | 8500L | A052041 | A053041 | A05714W | A065041 | A065042 | DG450 | GH450SBP | GM475SSP | GP400 | GP450 | GP600 | GS540SSP | KG432 | KG540 | TG475-2 | TG560 | TG560AP |



*Orders for Great Outdoors grill model GH450XBP $49 and over ship free to the lower 48 states.
See shipping policy below for more info.


Home | About UsContact Us | Privacy Policy | Return Policy | Shipping Policy |
Build Date: May 12 2026