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Porter Cable Finish Nailer Parts
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Porter Cable BN125A Brad Nailer

Porter Cable BN125A Brad Nailer Parts

Page A
 Fig #
99
Spec Info Label
 
No Longer Available [ More Info ]

Part Number: 893576

Discontinued

Not Available

100
Warning Label
 $4.49

Part Number: 904673

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $4.49
102
Bolt
 $3.83

Part Number: 894752

In Stock, 4 Available

Ships within 1 business day
 $3.83
103
Housing Cap
 $29.33

Part Number: A01267

In Stock, 25+ Available

Ships within 1 business day
 $29.33
104
Seal
 $5.32

Part Number: 891469

In Stock, 25+ Available

Ships within 1 business day
 $5.32
105
Spring
 $3.99

Part Number: A02160

In Stock, 2 Available

Ships within 1 business day
 $3.99
106
Head Valve Seal
 $17.33

Part Number: 894737

In Stock, 23 Available

Ships within 1 business day
 $17.33
107
O-Ring
 $2.75

Part Number: 894748

In Stock, 25+ Available

Ships within 1 business day
 $2.75
108
HD. Valve Piston
 $5.65

Part Number: 894731

In Stock, 12 Available

Ships within 1 business day
 $5.65
109
O-Ring
 $3.99

Part Number: A00104

In Stock, 25+ Available

Ships within 1 business day
 $3.99
110
Gasket Head
 $6.46

Part Number: 894697

In Stock, 25+ Available

Ships within 1 business day
 $6.46
111
Collar
 $2.75

Part Number: 894736

In Stock, 13 Available

Ships within 1 business day
 $2.75
112
Piston Ring
 $7.87

Part Number: 894734

In Stock, 25+ Available

Ships within 1 business day
 $7.87
113
O-Ring
 $2.05

Part Number: 894746

In Stock, 25+ Available

Ships within 1 business day
 $2.05
114
Driver Assembly S7
 $57.00

Part Number: 894689

In Stock, 3 Available

Ships within 1 business day
 $57.00
115
Cylinder
 $21.64

Part Number: A00971

In Stock, 10 Available

Ships within 1 business day
 $21.64
116
O-Ring
 $2.64

Part Number: 894893

In Stock, 3 Available

Ships within 1 business day
 $2.64
117
Cylinder Spacer
 $5.65

Part Number: 894733

In Stock, 4 Available

Ships within 1 business day
 $5.65
118
O-Ring
 $2.03

Part Number: 883924

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $2.03
119
Cyl Check Seal
 $3.64

Part Number: 894735

In Stock, 6 Available

Ships within 1 business day
 $3.64
120
Bumper
 $13.55

Part Number: 898483

In Stock, 7 Available

Ships within 1 business day
 $13.55
121
Driver Guide
 $3.22

Part Number: 894753

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $3.22
201
Seal
 $2.03

Part Number: 883844

In Stock, 18 Available

Ships within 1 business day
 $2.03
202
Trigger Valve Head
 $4.58

Part Number: 894694

In Stock, 2 Available

Ships within 1 business day
 $4.58
203
Spring
 $2.03

Part Number: 888890

In Stock, 3 Available

Ships within 1 business day
 $2.03
204
Trigger Valve Stem
 $4.49

Part Number: 913374

In Stock, 1 Available

Ships within 1 business day
 $4.49
205
O-Ring
 $2.03

Part Number: 883848

In Stock, 25+ Available

Ships within 1 business day
 $2.03
206
O-Ring
 $2.03

Part Number: 883849

In Stock, 16 Available

Ships within 1 business day
 $2.03
207
Trigger Valve Guide
 $17.04

Part Number: 894894

In Stock, 1 Available

Ships within 1 business day
 $17.04
208
Spring
 $2.03

Part Number: 894758

Backorder: No ETA.

Backorder: No ETA.
 $2.03
209
Trigger Valve Assembly
 $22.99

Part Number: 895212

In Stock, 11 Available

Ships within 1 business day
 $22.99
212
Trigger Pivot Pin (after serial number 80046)
 $10.10

Part Number: 890722

In Stock, 13 Available

Ships within 1 business day
 $10.10
213
Urethane Retainer
 $2.35

Part Number: 890725

In Stock, 25+ Available

Ships within 1 business day
Note: After S/N 59314
 $2.35
214
Rolled Pin
 $1.99

Part Number: 30R200009

In Stock, 11 Available

Ships within 1 business day
 $1.99
215
O-Ring
 $2.03

Part Number: 903621

In Stock, 5 Available

Ships within 1 business day
 $2.03
301
Housing
 $87.88

Part Number: 895712

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $87.88
302
O-Ring
 $3.30

Part Number: 884529

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $3.30
303
End Cap
 $11.00

Part Number: 883858

In Stock, 4 Available

Ships within 1 business day
 $11.00
304
Protective Cover
 $2.03

Part Number: 884443

In Stock, 25+ Available

Ships within 1 business day
 $2.03
401
Driver Guide Cover
 $32.05

Part Number: 895296

In Stock, 1 Available

Ships within 1 business day
 $32.05
402
Driver Guide Cover B
 $20.77

Part Number: 894741

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $20.77
403
Pin
 $6.90

Part Number: 894755

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $6.90
404
Driver Guide
 $35.05

Part Number: 895297

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $35.05
405
Magazine A
 $36.92

Part Number: 895292

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $36.92
406
Wear Plate
 
No Longer Available [ More Info ]

Part Number: 883908

Discontinued

Not Available

408
Magazine B
 $29.30

Part Number: 895293

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $29.30
409
Pusher
 $6.61

Part Number: 894756

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $6.61
410
Spring Guide
 $2.05

Part Number: 894707

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $2.05
411
Spring
 $2.03

Part Number: 894774

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $2.03
412
Spring Pin
 $2.03

Part Number: 894780

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $2.03
413
Latch
 $11.51

Part Number: 894716

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $11.51
414
Magazine Spacer
 
No Longer Available [ More Info ]

Part Number: 894754

Discontinued

Not Available

415
Spring
 
No Longer Available [ More Info ]

Part Number: 910721

Discontinued

Not Available

416
Safety B
 $17.58

Part Number: 894773

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $17.58
416
Safety B Assembly
 $41.19

Part Number: 911687

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $41.19
417
Safety A
 $18.99

Part Number: 894702

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $18.99
418
Thumb Wheel
 $19.08

Part Number: 894775

In Stock, 21 Available

Ships within 1 business day
 $19.08
419
Safety
 $11.08

Part Number: 894765

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $11.08
420
Ring
 $2.03

Part Number: 886218

In Stock, 6 Available

Ships within 1 business day
 $2.03
421
Safety Spring
 $2.98

Part Number: 887969

In Stock, 2 Available

Ships within 1 business day
 $2.98
422
Safety Guide
 $4.68

Part Number: 913102

In Stock, 2 Available

Ships within 1 business day
 $4.68
423
Non-Marking Rubber Nose Cushion
 
No Longer Available [ More Info ]

Part Number: 894742

Discontinued

Not Available

424
Magazine End Plate
 $9.61

Part Number: 894704

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $9.61
425
Cushion End Plate
 
No Longer Available [ More Info ]

Part Number: 894740

Discontinued

Not Available

426
Bolt
 $2.03

Part Number: 883866

In Stock, 6 Available

Ships within 1 business day
 $2.03
427
Nut
 
No Longer Available [ More Info ]

Part Number: 894781

Discontinued

Not Available

428
Magazine Bracket
 
No Longer Available [ More Info ]

Part Number: 894706

Discontinued

Not Available

429
Bolt
 $2.03

Part Number: 894751

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $2.03
430
Magazine Latch
 $5.61

Part Number: 894739

In Stock, 2 Available

Ships within 1 business day
 $5.61
431
Latch Pin
 $12.58

Part Number: 894761

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $12.58
432
Spring
 $2.22

Part Number: 892310

In Stock, 1 Available

Ships within 1 business day
 $2.22
433
E-Ring
 $2.03

Part Number: 886069

In Stock, 25+ Available

Ships within 1 business day
 $2.03
434
Anchor Block
 
No Longer Available [ More Info ]

Part Number: 894777

Discontinued

Not Available

435
Bolt
 $2.64

Part Number: 894745

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $2.64
436
Lock Washer
 
No Longer Available [ More Info ]

Part Number: 886078

Discontinued

Not Available

437
Bolt
 $2.03

Part Number: 883878

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $2.03
Miscellaneous Parts
856
Hex Wrench (3mm)
 $6.52

Part Number: 884297

Ships In 14 - 20 Business Days

Ships in 14 - 20 business days
 $6.52
856
Hex Wrench (4mm)
 $6.52

Part Number: 884298

In Stock, 1 Available

Ships within 1 business day
Note: After S/N 010150
 $6.52
856
Air Tool Oil
 $3.64

Part Number: 884293

In Stock, 25+ Available

Ships within 1 business day
 $3.64
856
Safety Glasses
 $9.16

Part Number: 634065-01

In Stock, 1 Available

Ships within 1 business day
 $9.16
1000
Overhaul Maintenance Kit
 $63.89

Part Number: 903775

In Stock, 25+ Available

Ships within 1 business day
 $63.89
1001
Driver Maintenance Kit For BN125A
 $95.86

Part Number: 903776

In Stock, 1 Available

Ships within 1 business day
 $95.86
2000
Carrying Case
 
No Longer Available [ More Info ]

Part Number: 5140028-05

Discontinued

Not Available

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Accessories
Accessories for the Porter Cable BN125A

Maintenance Kits
Questions & Answers

Part #894698 Exhaust Deflector not shown as a part that can be purchase.On my list it is shown as #101 Part #894698,can it be purchase
Fred for model number BN125A
Hello Fred, Thank you for the question. The Exhaust Defector is only sold as part of the Housing Cap, Part Number: A01267 for this model. Hope this helps!
The porter cable brad nailer BN125A is able to fire only one nail at a time. The hammer pin gets stuck in the down position and has to be manually reset each time. Thank you Tim
Tim for model number BN125A
Hi Tim, it could be as simple as oiling your gun as this can could be causing your issue, you may also need to replace the hammer pin it's self. Thank you for your question and good luck with your repair!
Is the piston ring supposed to have a break in it??, So it fits over piston
Steve for model number BN 125A
hello Steve, Thank you for the question. Yes, The Piston Ring is suppose to have the split. Hope this helps!
Was using the nailer when it gave one burst of air and stopped working. Unplugged nailer,plugged it back in got nothing but air coming out exhaust. Pull trigger and air slows down. Nailer was oiled before use. Tired some suggestions found here ,nothing works.
John for model number BN125A Brad nailer
Hi John, it sounds like a broken or faulty seal or o-ring causing air leak. If you have ruled it out you may have to take it to a technician. Thank you for your question and good luck with your repair!
No pressure at gun. Should the piston ring#112 have a break in it?
John Rosolino for model number BN125A
Hi John, the piston ring part 894734 does have a break in it.Thank you for your question and good luck with your repair!
No pressure at gun. Have checked o-ring and piston ring. Both OK. Where can this be serviced if all else fails?
John for model number BN125A
Hi John, I would contact the manufacturer directly as we do not have information on local technicians. Thank you for your question and good luck with your repair!
Can the o-ring be bad even though it looks ok?
John Rosolino for model number Bn125a
Hi John, it is possible to worn/loose even if it looks ok. Thank you for your question and good luck with your repair!
I'm not sure which part I need. I think it is A00104. The original is an orange ring. Can I send a picture somehow?
Missy for model number BN125A
Hello Missy and thanks for writing. Please send a picture as an attachment to: customerservice@ereplacementparts.com We hope this helps. Please contact us anytime.
How do you take out the HD valve piston from the top casing part 108
Buddy for model number Bn125a
Hello Buddy, Thank you for the question. We do not have exact instructions for this repair but all you have to do is remove the housing cap then remove the parts to access part 108. Very simple repair. Also, replace the gasket head with this repair as gasket are a one time use only. I hope this helps and good luck with your repair.
I have had this porter cable and when I went to use it, the air diverter was broke so I ordered a new cap and the diverter came with it. How to remove the inside hardware from the cap ??
John for model number BN125A
Good Day John. Thank you for your question in regards to your unit (Model Number BN125A). The following URL is to a video that should assist you with the instructions on how to do this: https://www.youtube.com/watch?v=NfiZwRoofdI&feature=youtu.be. We hope this helps! Best Regards.
I'm not able to see in the parts list the plastic nose cover on top of gun
Jake for model number BN125A
Hello Jake, thank you for your inquiry. The part you described does not appear in the parts list for this model. Please reach out to Porter Cable at 1 (888) 848-5175 directly to obtain the part number you need to order. Once you have this information, please feel free to check back with us for pricing and availability information. Thank you.
Discussion
Discussion for the Porter Cable BN125A Brad Nailer

Discussion is closed. To ask our experts a question about a part, use the Q&A feature on our product pages.
Question: Porter Cable Bn125a

1572013

I'm trying to put the driver back into the cylinder and I can't get the O-ring to go in, new O-ring, so frustrated !
WJA
Hello 1572013,

We have an article and video on How to Install a Driver Maintenance Kit on a Porter Cable Nail Gun. I hope this will end your frustration.

-WJA
Question: Jamesg

jagraybill

Bn 125 nailer- Gun only( thuds) doesn't shoot nail. Remove air supply and reattach air supply while holding trigger and touching wood gun will shoot. Works for a while and then must repeat the process
Hi jagraybill,
You will need to replace the head valve o-rings. Whats happening is when you pull the trigger the head valve should snap up but because the o-rings are worn in the head valve the valve gets slightly cocked in the head cap.When you hold the trigger and connect the hose the head valve gets jolted and drop back down on the cylinder.Replace the o-rings and you should be fine.Hope that helps.Good luck.
Tinker
Question: Noze Cushion(no-mar)

binar

How many come in pack ?
WJA
Hello binar,

In answer to your question. The part number 894742 are sold individually and are not sold in a pack.

-WJA
Question: Porter Cable Finish Nailer Issue...

988487

I have a Porter Cable BN125A Finish Nailer that when the trigger is pulled will only make a clicking/short burts of air noise. I have checked the piston and the air supply which is fine. Any suggestions???? Almost acts like its not getting enough air but I know it is.

Thanks for any help :confused:
Hi Fire8033,
There's a couple of things to check on this tool . Take the nails out of the tool then place the nose of the tool on a board and press down and engage the safety while pulling the trigger.While your doing this connect and disconnect the air hose a couple of times and see if the tool starts working.What this does is check to see if the head valve is cock in the head and not being allowed to move in the head.If that won't help take a small screw driver and slide it between the trigger and trigger valve and see if the tool can be fired manually.This checks for bent or worn linkage on the trip arm. If it still won't work remove the head and with a wood dowel or other soft object see if you can move the piston up and down the cylinder.This checks for any nail or part of the nail shank being stuck in the channel of the magazine blocking the cycling of the driver. One of these things should be your problem.Hope that helps.Good luck.
Tinker
Thank you for the reply, I will try this today when I get home.
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