Arkla R4451 Grill Parts

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Highest quality replacement parts for your Arkla R4451 - Free USA shipping $49 or more* - No Sales Tax*

 

Arkla R4451 owners manual and diagrams
Diagrams & owners manual not available for grill model# R4451. 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 to fit Arkla model: R4451
On this page you'll find all of the parts that fit model Arkla R4451. 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 a cooking grid and there are none here, click the cooking grids button to see all of the cooking grids we have for Arkla grills. Knowing the dimensions of your existing part will help you find the right part.

To get the correct Arkla R4451 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 Arkla 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.
 


R4451 Venturis

two venturi gaskets with screws

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

$5.31
 

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
 

 





R4451 Cooking Grids

Cooking grid not known for Arkla model R4451. Our parts information for this grill model is incomplete, and we really don't know with certainty which cooking grid 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 Arkla cooking grids we carry. If we don't have the exact fit grid for your grill, we may have a suitable replacement part. Measure your existing part as well as the the grid support area of the grill so you'll know exactly what size grids will fit.

If you have this grill model and know the number and dimensions of your original cooking grids, please share this information with us. Click here to send an email to our GrillDr that includes this information. We greatly appreciate your help.

Part Number: CG-DUMMY
Weight: 1.0
 





R4451 Rock/Briquette Grates

Rock grate for holding lava rock or ceramic briquettes.

Part Number: BG-4
Dimension Front-to-Back: 11 5/8”
Dimension Side-to-Side: 19”
Material: Carbon steel
Weight: 2.7

$30.65
 

 





R4451 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
 

21” wire for side burner or other applications. One female spade connector, one female round connector.

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



Part Number: 10342-T14
Dimensions: 21
Weight: 0.05

$4.32
 

20” igniter wire with female spade and round connector.

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



Part Number: IG-7B
Weight: 0.02

$4.75
 

OEM style collector box.
  • Bolts onto burner with venturi
  • Used with burners 11502, 15102, 15202, and 15402
  • Use original electrode; replacement electrode # 04510 has been discontinued

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



Part Number: 05152
Material: stainless steel
Weight: 0.1

$6.20
 

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
 

 





R4451 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
 

 





R4451 Valves, Orifices, and Manifolds

Right valve of assembly 37000. Replaces right side of Sunbeam OEM part #3512-0100. Orifice not included. Use original or 11/32” x 32 replacement. Also fits pre-1995 Fiesta models. D-Value is 6 o'clock

Part Number: 37400
Material: brass
Weight: 0.3

$26.66
 

 





R4451 Accessories

High quality, long lasting ceramic briquettes. 59 flat top pyramid-shaped briquettes per box. Placed 1/2” apart, 59 briquetes will cover about 368 square inches. This is an area roughly 15” x 24”.
  • Top quality product
  • Each briquette measure 2” x 2”
  • Self cleaning
  • Great heat distibution, retains heat longer
  • Can be used on all grills that use briquettes or lava rock
  • Use a single layer (multiple layers can reduce temperatures)

NOTE: These high quality ceramic briquetes are available in 59 count, 70 count, and 90 count qantities.

  • 59 briquetes covers an area apprimately 15” x 24”
  • 70 briquetes covers an area apprimately 17” x 26”
  • 90 briquetes covers an area apprimately 17” x 33”



Part Number: CLA-AC0394
Dimensions: 2” x 2”
Material: ceramic
Weight: 7.65

$59.13
 

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
 

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

Part Number: BP-7
Weight: 1.0

$10.42
 

Stainless steel flipper. The ultimate spatula tool, specially curved for perfect flips every time. 18” overall.

Part Number: SF-1
Dimensions: 18
Material: stainless steel
Weight: 0.4

$15.90
 

GrillPro ฎ 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
 

GrillPro EZ Check Gas level indicator. Accurate from -22° to 104°F. Magnetic back. Works on all sizes of tanks.

This tank gauge will monitor your propane level, while you grill, and let's you know when you're running low on gas.

The magnetic tank gauge offers fast, accurate propane level monitoring for any size LP tank. The magnetic backing makes it easy to attach, remove, and reuse across multiple tanks—perfect for grilling, camping, patio heaters, and more

Part Number: 00030
Weight: 0.1


$7.60
 

Stainless steel chicken roaster. Commonly called Beer Can roasters.
  • The best way to roast poultry on the grill
  • For use in barbecues and ovens
  • Dishwasher safe
  • Includes rack, rack support, and basting brush


Part Number: 41333
Material: stainless steel
Weight: 0.10

$19.84
 

Venturi Tube 12” Brush. Recommended by all grill manufacturers. Specially designed flexible brush to clean venturis of spider webs and other obstructions that can cause flashback fires. Stainless steel.

Part Number: VTC-B
Material: stainless steel
Weight: 0.3

$5.07
 

 



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Arkla R4451 -Tuesday, May 12 2026

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*Orders for Arkla grill model R4451 $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