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  Porter Cable BN125A (Type 1) Finish Nailer Power Tool Parts
Porter Cable Finish Nailer Power Tool Replacement For Model BN125A (Type 1)

Porter Cable Finish Nailer Power Tool Replacement Parts For Model BN125A (Type 1)

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Popular Parts for Porter Cable BN125A (Type 1)

Questions & Answers for Porter Cable BN125A (Type 1)

Page A
Porter Cable BN125A (Type 1) Finish Nailer Power Tool Page A Diagram
 Fig #
99
Spec Info Label Obsolete - Not Available
 $2.99

Part Number:893576

Discontinued

Discontinued
 $2.99
Discontinued
100
Warning Label
 $5.31

Part Number:904673

In Stock

In Stock
 $5.31
In Stock
 $5.31
102
Bolt
Minimum Quantity of 2 Required
 $4.99

Part Number:894752

In Stock

In Stock
 $4.99
In Stock
 $4.99
103
Housing Cap
 $35.77

Part Number:A01267

In Stock

In Stock
 $35.77
In Stock
 $35.77
104
Seal
 $6.52

Part Number:891469

In Stock

In Stock
 $6.52
In Stock
 $6.52
105
Spring
Minimum Quantity of 2 Required
 $4.99

Part Number:A02160

In Stock

In Stock
 $4.99
In Stock
 $4.99
106
Head Valve Seal
 $21.22

Part Number:894737

In Stock

In Stock
 $21.22
In Stock
 $21.22
107
O-ring
Minimum Quantity of 2 Required
 $3.99

Part Number:894748

In Stock

In Stock
 $3.99
In Stock
 $3.99
108
Hd. Valve Piston
 $7.22

Part Number:894731

In Stock

In Stock
 $7.22
In Stock
 $7.22
109
O-ring
Minimum Quantity of 2 Required
 $4.99

Part Number:A00104

In Stock

In Stock
 $4.99
In Stock
 $4.99
110
Gasket Head
 $7.91

Part Number:894697

In Stock

In Stock
 $7.91
In Stock
 $7.91
111
Collar
 $5.95

Part Number:894736

In Stock

In Stock
 $5.95
In Stock
 $5.95
112
Piston Ring
 $9.63

Part Number:894734

In Stock

In Stock
 $9.63
In Stock
 $9.63
113
O-ring
Minimum Quantity of 2 Required
 $4.99

Part Number:894746

In Stock

In Stock
 $4.99
In Stock
 $4.99
114
Driver Assembly S7
 $68.00

Part Number:894689

In Stock

In Stock
 $68.00
In Stock
 $68.00
114
Driver Maintenance Kit For Bn1
 $60.80

Part Number:903776

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $60.80
Usually ships in 7 - 12 business days
 $60.80
115
Cylinder
 $10.36

Part Number:A00971

In Stock

In Stock
 $10.36
In Stock
 $10.36
116
O-ring
Minimum Quantity of 2 Required
 $3.99

Part Number:894893

In Stock

In Stock
 $3.99
In Stock
 $3.99
117
Cylinder Spacer
 $5.95

Part Number:894733

In Stock

In Stock
 $5.95
In Stock
 $5.95
118
O-ring
Minimum Quantity of 2 Required
 $4.99

Part Number:883924

In Stock

In Stock
 $4.99
In Stock
 $4.99
119
Cyl Check Seal
Minimum Quantity of 2 Required
 $4.99

Part Number:894735

In Stock

In Stock
 $4.99
In Stock
 $4.99
120
Bumper
 $6.29

Part Number:898483

In Stock

In Stock
 $6.29
In Stock
 $6.29
121
Driver Guide
 $5.95

Part Number:894753

In Stock

In Stock
 $5.95
In Stock
 $5.95
201
Seal
Minimum Quantity of 2 Required
 $4.99

Part Number:883844

In Stock

In Stock
 $4.99
In Stock
 $4.99
202
Trigger Valve Head
 $5.95

Part Number:894694

In Stock

In Stock
 $5.95
In Stock
 $5.95
203
Spring
Minimum Quantity of 2 Required
 $3.99

Part Number:888890

In Stock

In Stock
 $3.99
In Stock
 $3.99
204
Trigger Valve Stem
Minimum Quantity of 2 Required
 $5.37

Part Number:913374

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.37
Usually ships in 7 - 12 business days
 $5.37
205
O-ring
Minimum Quantity of 2 Required
 $4.99

Part Number:883848

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
206
O-ring
Minimum Quantity of 2 Required
 $4.99

Part Number:883849

In Stock

In Stock
 $4.99
In Stock
 $4.99
207
Trigger Valve Guide Obsolete - Not Available
 $5.42

Part Number:894894

Discontinued

Discontinued
 $5.42
Discontinued
208
Spring
Minimum Quantity of 2 Required
 $3.99

Part Number:894758

In Stock

In Stock
 $3.99
In Stock
 $3.99
209
Trigger Valve Assembly
 $28.15

Part Number:895212

In Stock

In Stock
 $28.15
In Stock
 $28.15
210
Restricted Fire Trigger Obsolete - Not Available
 $5.82

Part Number:890855

Discontinued

Discontinued
 $5.82
Discontinued
210
Bottom Fire Trigger Obsolete - Not Available
 $8.68

Part Number:893933

Discontinued

Discontinued
 $8.68
Discontinued
212
Trigger Pivot Pin (after Seria
 $12.89

Part Number:890722

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $12.89
Usually ships in 7 - 12 business days
 $12.89
213
Urethane Retainer
Minimum Quantity of 2 Required
 $4.99

Part Number:890725

In Stock

In Stock

Note: After S/N 59314
 $4.99
In Stock
 $4.99
214
Rolled Pin
Minimum Quantity of 2 Required
 $4.99

Part Number:30R200009

In Stock

In Stock
 $4.99
In Stock
 $4.99
215
O-ring
Minimum Quantity of 2 Required
 $3.99

Part Number:903621

In Stock

In Stock
 $3.99
In Stock
 $3.99
301
Housing
 $49.62

Part Number:895712

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $49.62
Usually ships in 7 - 12 business days
 $49.62
302
O-ring
Minimum Quantity of 2 Required
 $3.99

Part Number:884529

In Stock

In Stock
 $3.99
In Stock
 $3.99
303
End Cap
 $13.12

Part Number:883858

In Stock

In Stock
 $13.12
In Stock
 $13.12
304
Protective Cover
 $5.95

Part Number:884443

In Stock

In Stock
 $5.95
In Stock
 $5.95
305
Plug
 $3.99

Part Number:BTFP72318

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
401
Driver Guide Cover Obsolete - Not Available
 $21.72

Part Number:895296

Discontinued

Discontinued
 $21.72
Discontinued
402
Driver Guide Cover B
 $10.67

Part Number:894741

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.67
Usually ships in 7 - 12 business days
 $10.67
403
Pin
Minimum Quantity of 2 Required
 $4.99

Part Number:894755

In Stock

In Stock
 $4.99
In Stock
 $4.99
404
Driver Guide
 $27.87

Part Number:895297

In Stock

In Stock
 $27.87
In Stock
 $27.87
405
Magazine A
 $27.26

Part Number:895292

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $27.26
Usually ships in 7 - 12 business days
 $27.26
406
Wear Plate Obsolete - Not Available
 $2.99

Part Number:883908

Discontinued

Discontinued
 $2.99
Discontinued
408
Magazine B
 $21.18

Part Number:895293

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $21.18
Usually ships in 7 - 12 business days
 $21.18
409
Pusher Obsolete - Not Available
 $2.99

Part Number:894756

Discontinued

Discontinued
 $2.99
Discontinued
410
Spring Guide
 $3.99

Part Number:894707

In Stock

In Stock
 $3.99
In Stock
 $3.99
411
Spring
Minimum Quantity of 2 Required
 $3.99

Part Number:894774

In Stock

In Stock
 $3.99
In Stock
 $3.99
412
Spring Pin
Minimum Quantity of 2 Required
 $3.99

Part Number:894780

In Stock

In Stock
 $3.99
In Stock
 $3.99
413
Latch
 $4.99

Part Number:894716

Backorder: No ETA

Backorder: No ETA
 $4.99
Backorder: No ETA
 $4.99
414
Magazine Spacer Obsolete - Not Available
 $2.99

Part Number:894754

Discontinued

Discontinued
 $2.99
Discontinued
415
Spring Obsolete - Not Available
 $2.99

Part Number:910721

Discontinued

Discontinued
 $2.99
Discontinued
416
Safety B Assembly Obsolete - Not Available
 $27.91

Part Number:911687

Discontinued

Discontinued
 $27.91
Discontinued
416
Safety B Obsolete - Not Available
 $6.17

Part Number:894773

Discontinued

Discontinued
 $6.17
Discontinued
417
Safety A
 $7.06

Part Number:894702

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.06
Usually ships in 7 - 12 business days
 $7.06
418
Thumb Wheel
 $9.48

Part Number:894775

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.48
Usually ships in 7 - 12 business days
 $9.48
419
Safety Obsolete - Not Available
 $3.22

Part Number:894765

Discontinued

Discontinued
 $3.22
Discontinued
420
Ring
Minimum Quantity of 2 Required
 $3.99

Part Number:886218

In Stock

In Stock
 $3.99
In Stock
 $3.99
421
Safety Spring
Minimum Quantity of 2 Required
 $3.99

Part Number:887969

In Stock

In Stock
 $3.99
In Stock
 $3.99
422
Safety Guide
 $5.37

Part Number:913102

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.37
Usually ships in 7 - 12 business days
 $5.37
423
Non-Marking Rubber Nose Cushion Obsolete - Not Available
 $2.99

Part Number:894742

Discontinued

Discontinued
 $2.99
Discontinued
424
Magazine End Plate Obsolete - Not Available
 $2.99

Part Number:894704

Discontinued

Discontinued
 $2.99
Discontinued
425
Cushion End Plate Obsolete - Not Available
 $2.99

Part Number:894740

Discontinued

Discontinued
 $2.99
Discontinued
426
Bolt
Minimum Quantity of 2 Required
 $3.99

Part Number:883866

In Stock

In Stock
 $3.99
In Stock
 $3.99
427
Nut Obsolete - Not Available
 $2.99

Part Number:894781

Discontinued

Discontinued
 $2.99
Discontinued
428
Magazine Bracket Obsolete - Not Available
 $5.28

Part Number:894706

Discontinued

Discontinued
 $5.28
Discontinued
429
Bolt
 $3.99

Part Number:894751

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
430
Magazine Latch
 $6.69

Part Number:894739

In Stock

In Stock
 $6.69
In Stock
 $6.69
431
Latch Pin
 $3.99

Part Number:894761

In Stock

In Stock
 $3.99
In Stock
 $3.99
432
Spring
Minimum Quantity of 2 Required
 $3.99

Part Number:892310

In Stock

In Stock
 $3.99
In Stock
 $3.99
433
E-ring
Minimum Quantity of 2 Required
 $4.99

Part Number:886069

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
434
Anchor Block Obsolete - Not Available
 $16.14

Part Number:894777

Discontinued

Discontinued
 $16.14
Discontinued
435
Bolt
Minimum Quantity of 2 Required
 $3.99

Part Number:894745

In Stock

In Stock
 $3.99
In Stock
 $3.99
436
Lock Washer Obsolete - Not Available
 $3.99

Part Number:886078

Discontinued

Discontinued
 $3.99
Discontinued
437
Bolt
Minimum Quantity of 2 Required
 $3.99

Part Number:883878

In Stock

In Stock
 $3.99
In Stock
 $3.99
800
Carrying Case Obsolete - Not Available
 $19.20

Part Number:5140028-05

Discontinued

Discontinued
 $19.20
Discontinued
800
Air Tool Oil
 $5.95

Part Number:884293

In Stock

In Stock
 $5.95
In Stock
 $5.95
800
Overhaul Maintenance Kit
 $81.60

Part Number:903775

In Stock

In Stock
 $81.60
In Stock
 $81.60
800
Use A00971
 $0.00

Part Number:894695

Not Available for Retail Sale

Not Available for Retail Sale
 $0.00
Not Available for Retail Sale
800
Safety Glasses
 $3.99

Part Number:634065-01

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
800
Carrying Case
 $22.39

Part Number:893569

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $22.39
Usually ships in 7 - 12 business days
 $22.39
800
Overhaul Maintenance Kit
 $81.60

Part Number:903775

In Stock

In Stock
 $81.60
In Stock
 $81.60
800
Hex Wrench (3mm)
 $3.99

Part Number:884297

In Stock

In Stock
 $3.99
In Stock
 $3.99
800
1/4 Plug 1/4npt Male
 $0.00

Part Number:60400

Not Available for Retail Sale

Not Available for Retail Sale
 $0.00
Not Available for Retail Sale
800
Use A01267
 $0.00

Part Number:894705

Not Available for Retail Sale

Not Available for Retail Sale
 $0.00
Not Available for Retail Sale
800
Driver Maintenance Kit For Bn1
 $60.80

Part Number:903776

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $60.80
Usually ships in 7 - 12 business days
 $60.80
800
Hex Wrench (4mm)
 $3.99

Part Number:884298

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: After S/N 010150
 $3.99
Usually ships in 7 - 12 business days
 $3.99
800
Rolled Pin
Minimum Quantity of 2 Required
 $4.99

Part Number:30R200009

In Stock

In Stock
 $4.99
In Stock
 $4.99
 Fig #
Nailer Parts

Questions & Answers for Porter Cable BN125A (Type 1)

This stops firing nails every now and then . It's been oiled and will nail a couple of nails and then quits. The part that pushes the nails sometimes stays exposed every once in awhile. What's wrong and what do I need to do to get it functioning
Ed for model number BN 125A asked on 2024-01-02
Hello Ed, thank you for asking. The recommended parts to replace are the Urethane Retainer 890725, Piston Stop 886113, and Gasket 886114. On our website, under the Heading ? Repair Instructions: Submitted by Customers Like You?, there is a installation information you are looking for. You can find it by looking under the Urethane Retainer 890725. We hope this helps.
eReplacementParts Team January 02, 2024
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