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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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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 79 parts  |
Cooktop Igniter 71002724
#15

Top assembly diagram

Cooktop igniter

Part #71002724

Replaced by #WP7432P109-60

?
Manufacturer substitution
This part replaces 71002724. Substitute parts can look different from the original.
$38.38
| 
14% OFF Phone Price : $44.38
In Stock
Cooktop Igniter Switch 74005953
#23

Body diagram

Cooktop igniter switch

Part #74005953

$53.20
In Stock
Power Cord 74005927
#18

Body diagram

Power cord

Part #74005927

Replaced by #3188867

?
Manufacturer substitution
This part replaces 74005927. Substitute parts can look different from the original.
$76.51
In Stock
Holder Orifice 71002723
#22

Body diagram

Holder orifice

Part #71002723

$53.79
| 
10% OFF Phone Price : $59.79
In Stock
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
Cook Guide 74005475
#18

Top assembly diagram

Cook guide

Part #74005475

$9.18
In Stock
Cooktop Burner Base 74007181
#8A

Top assembly diagram

Cooktop burner base

Part #74007181

Replaced by #WP7540P028-60

?
Manufacturer substitution
This part replaces 74007181. Substitute parts can look different from the original.
$41.64
In Stock
Venturi 71002747
#6

Top assembly diagram

Venturi

Part #71002747

Replaced by #WP7538P003-60

?
Manufacturer substitution
This part replaces 71002747. Substitute parts can look different from the original.
$47.39
| 
11% OFF Phone Price : $53.39
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.
$107.45
| 
10% OFF Phone Price : $119.45
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
$19.20
| 
9% OFF Phone Price : $21.20
In Stock

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How to replace a spark module on a gas cooktop

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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

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Repair difficulty
Time required
45 minutes or less

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