Part Location Diagram of BA0096 Senco Firing Valve Piston Assembly
See part A-18 in the diagram
Replacing your Senco Nailer Firing Valve Piston Assembly
( Grid squares measure 1x1 inch )

Firing Valve Piston Assembly BA0096

Manufactured by:
Senco
ERP Number:
ERP10071442
Part Number:
BA0096
Original Equipment Manufacturer ?
$68.22
On Order

Easy 

Less than 15 mins 

(2 rated repairs) ?

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Product Description

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This firing valve piston assembly is a critical component of the pneumatic firing system, controlling the flow and release of compressed air required to drive fasteners and reset the tool after each firing cycle. Constructed from durable metal, engineered plastics, and high-quality rubber seals, the assembly helps maintain proper internal air pressure while ensuring smooth, consistent tool operation. When the trigger is activated, the valve assembly directs compressed air through the firing system to drive the piston and fastener, then helps manage exhaust airflow to prepare the tool for the next cycle. Replacing a worn, damaged, or leaking firing valve assembly can help resolve issues such as continuous air leaks from the exhaust, weak driving power, inconsistent firing, loss of pressure, or failure to cycle properly. Installation typically involves removing the top cap assembly, replacing the existing valve assembly, and reassembling the tool using standard hand tools. For best results, inspect the head valve, O-rings, cylinder sleeve, piston, and related sealing components for wear or damage and replace any faulty parts as needed to ensure reliable performance and long-lasting pneumatic operation.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Senco
This part works with the following products:
  • Nailer

Videos For installing this part.

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Replacing your Firing Valve Piston Assembly

Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

Less than 15 mins 

(2 rated repairs) ?
  • 1
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NAILGUN HAD AIR LEAKS DID NOT SHOOT NAILS.

William from Pinellas Park, Florida

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Wrench set
Parts Used:
HY00000824, LB0018, CA0074, BA0096
I REPLACED BAD TRIGGER PARTS TO STOP AIR LEAKS AND DRIVE NAILS.
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Leaked air out of top

Rex from Murfreesboro, Tennessee

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Parts Used:
BA0096
Removed 4 allen screws from the top cover
Removed the bad valve assembly
Installed the new valve assembly
Replaced 4 allen screws in the top cover.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP10071442
Manufacturer Part Number: BA0096
Brand Model Number Description
Senco SFN1 Nailer - Nailer
Senco SFN1+ Nailer - Nailer
Senco SKS Nailer - Stapler
Senco SKS18 Nailer - 18 Gauge Stapler (Sks)
Senco SKSXP Nailer - Medium Wire Stapler
Senco SPS Nailer - Stapler