Jenn-Air
Gas Cooktop

Model # JGC8645ADB Official Jenn-Air gas counter unit

Here are the diagrams and repair parts for Official Jenn-Air JGC8645ADB gas counter unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 79 parts  |

Cooktop Burner Lp Orifice, 4,500-btu 71002728
#19A

Body diagram

Cooktop burner lp orifice, 4,500-btu

Part #71002728

This item is not returnable
$4.39
19% OFF Phone Price : $5.39
In Stock
Spark Module 71002749
#7

Body diagram

Spark module

Part #71002749

Replaced by #WP71002749

?
Manufacturer substitution
This part replaces 71002749. Substitute parts can look different from the original.
$176.69
16% OFF MSRP : $210.00
In Stock
Cooktop Igniter Switch 74005953
#23

Body diagram

Cooktop igniter switch

Part #74005953

In Stock
Cook Guide 74005475
#18

Top assembly diagram

Cook guide

Part #74005475

In Stock
Holder Orifice 71002723
#22

Body diagram

Holder orifice

Part #71002723

$53.79
9% OFF Phone Price : $58.79
In Stock
Cooktop Lp Gas Orifice 71002726
Cooktop lp gas orifice

Part #71002726

Replaced by #WP7509P062-60

?
Manufacturer substitution
This part replaces 71002726. Substitute parts can look different from the original.
This item is not returnable
In Stock
Cooktop Burner Knob 74005940
#12

Top assembly diagram

Cooktop burner knob

Part #74005940

Replaced by #WP74005940

?
Manufacturer substitution
This part replaces 74005940. Substitute parts can look different from the original.
This item is not returnable
$18.89
10% OFF Phone Price : $20.89
In Stock
Pressure Regulator 704545
#9

Body diagram

Pressure regulator

Part #704545

Replaced by #W11106948

?
Manufacturer substitution
This part replaces 704545. Substitute parts can look different from the original.
$104.54
13% OFF MSRP : $120.00
In Stock
Cooktop Burner Knob 74005939
#13

Top assembly diagram

Cooktop burner knob

Part #74005939

Replaced by #WP74005939

?
Manufacturer substitution
This part replaces 74005939. Substitute parts can look different from the original.
This item is not returnable
$17.59
10% OFF Phone Price : $19.59
In Stock
Burner Base 74005955
#8

Top assembly diagram

Burner base

Part #74005955

Replaced by #WP7540P028-60

?
Manufacturer substitution
This part replaces 74005955. Substitute parts can look different from the original.
In Stock

Most common symptoms to help you fix your cooktops

Choose a symptom to see related cooktop repairs.

Main causes: lack of electrical power, gas supply failure, bad pressure regulator, control system failure…

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your cooktops

Use the advice and tips in these articles and videos to get the most out of your cooktop.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…