Power Nailer

Model # 18990 Official Craftsman nailer

Here are the diagrams and repair parts for Official Craftsman 18990 nailer, as well as links to manuals and error code tables, if available.

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Browse Parts for
18990 Power Tools
Stop MHE6100-100
#55

Magazine diagram

Stop

Part #MHE6100-100

The manufacturer no longer makes this part, and there's no substitute part

Washer 138 EE39138
#97

Magazine diagram

Washer 138

Part #EE39138

The manufacturer no longer makes this part, and there's no substitute part

Stanley Bostitch Post CN31705
#95

Magazine diagram

Stanley bostitch post

Part #CN31705

The manufacturer no longer makes this part, and there's no substitute part

Stanley Bostitch Washer EE61103
#46

Magazine diagram

Stanley bostitch washer

Part #EE61103

The manufacturer no longer makes this part, and there's no substitute part

Stanley Bostitch Piston Cap CN31448
#66

Magazine diagram

Stanley bostitch piston cap

Part #CN31448

The manufacturer no longer makes this part, and there's no substitute part

Stanley Bostitch Washer EE11101
#85

Magazine diagram

Stanley bostitch washer

Part #EE11101

The manufacturer no longer makes this part, and there's no substitute part

Stanley Bostitch Roll Pin FF21234
#62

Magazine diagram

Stanley bostitch roll pin

Part #FF21234

The manufacturer no longer makes this part, and there's no substitute part

Stanley Bostitch Screw BB40438
#78

Magazine diagram

Stanley bostitch screw

Part #BB40438

The manufacturer no longer makes this part, and there's no substitute part

Stanley Bostitch Trigger CN30646
#42

Body diagram

Stanley bostitch trigger

Part #CN30646

The manufacturer no longer makes this part, and there's no substitute part

Valve CN31589
#31

Body diagram

Valve

Part #CN31589

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for upright freezers

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…