Ducane Affinity 3100 31731101 Grill Parts

Ducane logo

 

Ducane 31731101

Ducane Affinity 3100 Black 3-Burner LP gas grill

 

Highest quality replacement parts for your Ducane Affinity 3100 31731101 - Free USA shipping $49 or more* - No Sales Tax*

 

Ducane 31731101 owners manual and diagrams
Diagrams & owners manual not available for grill model# 31731101. 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 Ducane Affinity 3100 31731101
On this page you'll find all of the parts that fit model Ducane 31731101. 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 warming rack and there are none here, click the warming rack button to see all of the racks we have for Ducane grills. You will need to know the dimensions of your existing grids to help you find the right part.

To get the correct Ducane 31731101 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 Ducane 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.
 


31731101 Burners

Stainless steel burners for Ducane Affinity models for Ducane model 31731101. SET OF THREE (3). Includes spider guard.

Part Number: DUCT1-X3
Dimensions: 18” x 1”
Material: stainless steel
Weight: 1.8

$87.93
 

Stainless steel burner for Ducane Affinity models for Ducane model 31731101. Includes spider guard.

Part Number: DUCT1
Dimensions: 18” x 1”
Material: stainless steel
Weight: 0.6

$33.70
 

 





31731101 Cooking Grids

Cast iron cooking grids (set of 2) for Ducane model 31731101. Porcelain enameled, glossy finish.

Part Number: 68502
Dimension Front-to-Back: 18”
Dimension Side-to-Side: 28 3/4”
Material: gloss cast iron
Weight: 14.12

$162.40
 

 





31731101 Heat Plates

Stainless steel heat distribution plates for Ducane model 31731101. SET OF THREE (3). Fits Ducane Affinity 3100 and 3200 series 3-burner grills. Made in USA.

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

Part Number: CLA-TS0044-X3
Dimension Front-to-Back: 15 5/16”
Dimension Side-to-Side:
Material: stainless steel
Weight: 2.4

$90.66
 

Stainless steel heat distribution plate for Ducane Affinity grills for Ducane model 31731101. Sold individually, number required varies. Made in USA.

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


Part Number: CLA-TS0044
Dimension Front-to-Back: 15 5/16”
Dimension Side-to-Side:
Material: stainless steel
Weight: 0.8

SALE  $31.40

Porcelain steel Heat Distribution Plate for Ducane model 31731101. Sold individually.

Part Number: 99351
Dimension Front-to-Back: 15 3/8”
Dimension Side-to-Side:
Material: porcelain steel
Weight: 1.6

$36.79
 

 





31731101 Igniter Components

Push-button electronic igniter with three (3) spade connectors. Comes with sliver or black cap per availability. Needs (1) AA battery (not included); requires 7/8” mounting hole.

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



Part Number: TS-IG3007
Weight: 0.2

$35.57
 

Universal three-outlet battery powered push button ignitor.
  • 1.5 volt
  • Has three (3) terminals (male spade connector)
  • Uses a single AA battery (not included)
  • 03610 and 03620 wires are commonly used with this igniter (not included)
  • Requires 7/8” mounting hole

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



Part Number: 03333
Dimensions: 2 9/16” x 2”
Weight: 0.5

$35.57
 

electrode assembly for use with Weber models with spark generators that have an external grounding prong. Includes mounting tabs to facilitate installation.

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



Part Number: 04800
Material: ceramic
Weight: 0.2

$13.57
 

 





31731101 Heat indicators and Meat Thermometers

Round 2 3/8” diameter heat indicator, includes one wing nut and one locking nut.
  • Requires minimum 3/8” mounting hole
  • Single 1 3/8” probe
  • Threaded portion of probe stops at 1/2” from base
  • See photo for details


Part Number: 00012
Dimensions: 2 3/8” x 2 3/8”
Weight: 0.1

$24.90
 

Universal four piece mini thermometer set. Great gift idea.
  • 2 calibrated for steak, and 2 for chicken
  • Mini thermometers for testing doneness of individual cuts of meat
  • Silicone bezels for easy removal when hot
  • Always use caution when handling hot objects


Part Number: 11381
Weight: .25

$16.45
 

 





31731101 Accessories

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

Part Number: BP-6
Weight: 1.0

$9.75
 

Extra long stainless steel fork with ergonomically correct handles. 20 1/2” long.

Part Number: ITF-2
Dimensions: 20 1/2
Material: stainless steel
Weight: 0.3

$13.80
 

7” Bamboo BBQ Kabobs. Appetizer Server/Grilling Skewers - pack of 50. Limited to supplies on hand.

  • Ideal for searving or grilling appetizers
  • Wide end for easy handling


Part Number: 11040
Dimensions: 7
Weight: 0.4

$4.75
 

Stainless steel jalapeno pepper tray.Cook all the heat from a jalapeρo and you’re left with a fabulous taste of the southwest that leaves your taste buds singing for hours.

  • Constructed of 304 stainless steel
  • Measures 9-1/2” x 6-1/2”
  • Holds up-to 24 jalapeρo peppers
  • American-Made


Part Number: JPT
Dimensions: 14 1/4” x 6”
Material: stainless steel
Weight: 0.6

$33.12
 

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
 

 



BBQ Part Categories


















 
 

Ducane gas grill 31731101 - Tuesday, May 12 2026

Return to Ducane grills main page



More Ducane grill models we have parts for
4005 | 4005LPE | 4005S | 4005SLPE | 4005SNE | 4005SSNE | 5002 | 5002S | 5002SLPE | 5002SNE | 5002SSNE | 5004 | 5004S | 5004SHLPE | 5004SHNE | 5005 | 5005SHLPE | 5005SHNE | 6000 | 6002 | 6002SLPE | 6004SNE | 7100 | 7100R | 7200 | 7200R | 800 | 800SHLP | 802 | 802HN | 802S | 802SHLP | 802SHN | 804 | 804SHLP | 804SHN | 805 | 805SHLP | 805SHN | COSTCO | MDBQ-30 | MDBQ-30F | MDBQ-42 | MDBQ-42F | PT-4SLPE | Par-T-Grill | S3200-LP | S3200-NG | S3400-LP | Complete list of Ducane grill models...



*Orders for Ducane Affinity 3100 grill model 31731101 $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