Arkla 42420 Grill Parts

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Highest quality replacement parts for your Arkla 42420 - Free USA shipping $49 or more* - No Sales Tax*

 

Arkla 42420 owners manual and diagrams
Diagrams & owners manual not available for grill model# 42420. 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 Arkla model: 42420
This page shows all of the parts we know fit model Arkla 42420. If the part you need is not shown below, try clicking the appropriate category button 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 Arkla grills. You will need to know the dimensions of your existing grids to help you find the right part.

To get the correct Arkla 42420 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.
 


42420 Burners

Stainless steel burner and venturi assembly kit for Arkla model 42420. 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 Arkla model 42420. 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 Arkla model 42420. 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 Arkla model 42420. 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
 

Cast iron burner and venturi assembly kit for Arkla model 42420. Comes with all necessary gaskets and screws.

Part Number: 20502-72401
Dimensions: 15 7/8” x 8”
Material: cast iron
Weight: 8.0

$115.60
 

cast iron burner head for Arkla model 42420.

Part Number: 20502
Dimensions: 15 7/8” x 8”
Material: cast iron
Weight: 7.7

$93.10
 

 





42420 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 stainless venturi flexible and adjustable from 8” to 11” and sold individually. Used to replace venturis for virtually any grill model for which no exact fit venturi is available. Gasket & screws not included, see part numbers 00400 or SHK4.

Part Number: 72401
Dimensions: 7 1/2” x 11”
Material: zinc plated steel
Weight: 0.3

$15.73
 

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
 

 





42420 Cooking Grids

1-piece porcelain coated steel rod cooking grid for Arkla model 42420.

Part Number: CG-11P
Dimension Front-to-Back: 13 1/16”
Dimension Side-to-Side: 19 5/8”
Material: Porcelain steel
Weight: 4.6

$83.01
 

 





42420 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
 

 





42420 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
 

 





42420 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
 

 





42420 Valves, Orifices, and Manifolds

Brass spud orifice with 5/16” x 32 thread size. Has #70 starter hole. Must be drilled to proper drill size.

If you would like us to drill the orifice(s) for you, there is a single $15 fee for this service, which will be added to the order when processed. Please tell us the number of burners in your grill and the total BTUs of your grill (less side burner and rotisserie burner, if any). BTU rating information can usually be found on the grill's CSA certification tag, located somewhere on the grill. Please furnish this, along with any other information you deem relevant, in the Message to CLA box during checkout.

Part Number: 31600
Dimensions: 0 3/8” x 0 7/16”
Material: brass
Weight: 0.01

$7.54
 

Dual brass LP valve assembly. Includes left and right control valves and valve manifold. Fits Arkla up-front control grills and others requiring 45 degree angle valves.
  • For use with LP gas
  • Includes two orifices drilled to #57 drill size
  • Includes pre-assembled 45 degree angle fitting, not shown in photo


Part Number: VLV-28
Material: brass
Weight: 1.1

$58.00
 

 





42420 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
 

Universal 6 piece chrome plated skewer set. Designed so food does not rotate. Great for kabobs! 19 1/2” long.

Part Number: SR-7B
Dimensions: 19 1/2
Material: chrome steel
Weight: 1.0

$14.27
 

Cast iron smoker box with six oblong venting holes. Fill with water-soaked wood chips and add smoke flavor to you food. Designed to release wood smoke.

  • Works with both charcoal and gas grills.
  • Easy to use and refill.
  • Long lasting cast iron.


Part Number: 00150
Dimensions: 5 1/4” x 8 3/8”
Material: cast iron
Weight: 3.90

$27.70
 

Non-Stick Wing Rack.

A convenient non-stick coated wire wing rack with folding legs, the best way to roast chicken legs and wings on the grill without the hassle of flipping, turning or sticking. For wings and drumsticks.



Part Number: 41551
Weight: 0.5

$12.09
 

12” long wood handle brass bristle grid brush with scraper and leather hang strap.

Part Number: WB-1
Dimensions: 12
Weight: 0.4

$10.90
 

 



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Arkla grill 42420 - Tuesday, May 12 2026

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More Arkla grill models we have parts for
G304-25A1 | G304-25A5 | G304-25A6 | G304-25N | G304-26A | G304-32B | G304-32L | G304-4A | G304-4B | G304-4C | G304-6C | G304-B | G305-31B | G307-6 | G324-25I | G324-25I1 | G324-25I2 | G324-25L2 | G324-25N | G324-25R | G324-25R2 | G324-26A | G324-26A1 | G324-26A2 | G324-26A3 | G324-26A4 | G324-32I | G324-32L | G324-34I | G324-34I1 | G324-34L | G324-34L1 | G324-4C | G324-5B | G32425L | G32425L1 | G344-11B | G344-32B | G344-32L | G344-33L1 | G344-34I | G344-34I2 | G344-34I3 | G344-34I4 | G344-34I5 | G344-34I6 | G344-34L | G344-34L1 | G344-34L2 | G344-34L3 | Complete list of Arkla grill models...



*Orders for Arkla grill model 42420 $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