Senco
Power Nailer

Model # SFN40 Official Senco nailer

Here are the diagrams and repair parts for Official Senco SFN40 nailer, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 69 parts  |

Seal LB5053

#LB5053

All parts diagram

Seal

Part #LB5053

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

Pin KB3062

#KB3062

All parts diagram

Pin

Part #KB3062

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

Spring KB4131

#KB4131

All parts diagram

Spring

Part #KB4131

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

Cushion HF0017

#HF0017

All parts diagram

Cushion

Part #HF0017

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

Rail GB0322

#GB0322

All parts diagram

Rail

Part #GB0322

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

Seal LB0012

#LB0012

All parts diagram

Seal

Part #LB0012

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

Spring KB4197

#KB4197

All parts diagram

Spring

Part #KB4197

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

Retainer KC0062

#KC0062

All parts diagram

Retainer

Part #KC0062

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

Main Body AB0070

#AB0070

All parts diagram

Main body

Part #AB0070

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

Seal LB0018

#LB0018

All parts diagram

Seal

Part #LB0018

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

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure...

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t...

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes....

Repair difficulty
Time required
15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual...

Repair difficulty
Time required
60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range....

Repair difficulty
Time required
45 minutes or less

Articles and videos for gas ranges

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home....

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....