Power Nailer

Model # SFN2 Official Senco nailer

Here are the diagrams and repair parts for Official Senco SFN2 nailer, as well as links to manuals and error code tables, if available.

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Browse Parts forSFN2 Power Tools

  • Feeder Spring Hsg GB0049
    #21

    Housing assy diagram

    Feeder spring hsg

    Part #GB0049

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

  • Cyl. Sleeve Asy BA0062
    #67

    Motor assy diagram

    Cyl. sleeve asy

    Part #BA0062

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

  • Safety Element(flathead) HB0054
    #29

    Housing assy diagram

    Safety element(flathead)

    Part #HB0054

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

  • O-ring Kit YK0029
    #A

    Kits diagram

    O-ring kit

    Part #YK0029

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

  • Seal LB0051
    #74

    Motor assy diagram

    Seal

    Part #LB0051

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

  • Cushion HB0057
    #52

    Housing assy diagram

    Cushion

    Part #HB0057

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

  • Screw KB0067
    Screw

    Part #KB0067

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

  • Blockout GC0274
    #24

    Housing assy diagram

    Blockout

    Part #GC0274

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

  • Valve Hsg Asy CA0042
    #49

    Motor assy diagram

    Valve hsg asy

    Part #CA0042

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

  • Seal LB0007
    #53

    Motor assy diagram

    Seal

    Part #LB0007

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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Top 10 electric lawn and garden tools

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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.…