Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Image not available
BOSTITCHAir Tool Replacement Parts

BOSTITCH Piston Driver Assembly: Mfr Part # 9R189691

The BOSTITCH Piston Driver Assembly, manufacturer part number 9R189691, is an air tool replacement part. This assembly is identified by additional part numbers 36Z449 and LPF21PL.

SKU 3G-OTH-166359

Brand
BOSTITCH
Item
Piston Driver Assembly: Mfr Part # 9R189691
Category
Air Tool Replacement Parts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BOSTITCH
Manufacturer Part Number
9R189691

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BOSTITCH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BOSTITCH Piston Driver Assembly, manufacturer part number 9R189691, is an air tool replacement part. This assembly is identified by additional part numbers 36Z449 and LPF21PL.

Frequently Asked Questions

What is the BOSTITCH Piston Driver Assembly used for?

The BOSTITCH Piston Driver Assembly is a replacement part for pneumatic fastening tools. It drives fasteners into materials like wood and metal in framing, roofing, and finishing applications. This assembly ensures consistent power transfer and reliable tool operation in demanding construction and industrial environments.

What are the specifications of the BOSTITCH Piston Driver Assembly 9R189691?

The BOSTITCH Piston Driver Assembly, part number 9R189691, is also cross-referenced as 36Z449 and LPF21PL. It is designed for use in BOSTITCH air tools. This assembly replaces worn or damaged piston components to restore tool performance. For exact fit, verify compatibility with your tool model.

Where to buy BOSTITCH Piston Driver Assembly 9R189691 worldwide?

3G Electric supplies the BOSTITCH Piston Driver Assembly 9R189691 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we source genuine replacement parts across 14 departments. Contact us for pricing and lead time.

How to install the BOSTITCH Piston Driver Assembly?

Installation of the BOSTITCH Piston Driver Assembly requires disassembling the tool, removing the old piston driver, and fitting the new assembly. Always depressurize the air tool and disconnect the air supply before servicing. Follow the manufacturer's service manual for torque specs and lubrication. Use only genuine BOSTITCH parts for reliable operation.

Used in

Common applications for BOSTITCH
Construction framing — BOSTITCH pneumatic framing nailers (e.g., MCN250) for high-speed nailing of lumber and sheathing.
Woodworking assembly — BOSTITCH finish nailers for trim, molding, and cabinet installation requiring precise fastener placement.
Roofing applications — BOSTITCH coil roofing nailers for attaching shingles and underlayment on residential and commercial roofs.
Industrial packaging — BOSTITCH staplers for sealing corrugated boxes and crates in high-volume shipping environments.
Maintenance repair — BOSTITCH replacement parts (e.g., piston washers, o-ring kits) for servicing pneumatic tools in plant maintenance shops.
Compressor servicing — BOSTITCH air compressor heads (e.g., AB-7161400) for rebuilding or repairing stationary compressor units.

BOSTITCH Products

3G Electric supplies BOSTITCH air tool replacement parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
BOSTITCH
BOSTITCH
BOSTITCH Driver/Piston Assy: Mfr Part # 9R206616, Driver/Piston Assembly
BOSTITCH
BOSTITCH
BOSTITCH Assembly Piston/Driver: Mfr Part # 163921, Piston/Driver Assembly
BOSTITCH
BOSTITCH
BOSTITCH Assembly Driver/Pist: Mfr Part # 175560, Driver/Piston Assembly
BOSTITCH
BOSTITCH
BOSTITCH Piston Ring: Mfr Part # 9R189690, Piston Ring, Compatible with Mfr Part # LPF21PL/LPF33PT
BOSTITCH
BOSTITCH
BOSTITCH Piston Stop: Mfr Part # 9R189685, Stop Piston
BOSTITCH
BOSTITCH
BOSTITCH Pusher Assembly: Mfr Part # 9R189728, Pusher Assembly, Compatible with Mfr Part # LPF21PL

More from BOSTITCH

View all BOSTITCH parts
BOSTITCH
BOSTITCH
BOSTITCH O-Ring, 66.5mm x 2.0mm: Mfr Part # 174056, O-Ring, Compatible with Mfr Part # MCN250/N66C-1
BOSTITCH
BOSTITCH
BOSTITCH Label Magnesium: Mfr Part # 171432, Magnesium Label
BOSTITCH
BOSTITCH
BOSTITCH Follower Movable Nose: Mfr Part # 174081, Movable Nose Follower
BOSTITCH
BOSTITCH
BOSTITCH Assembly Frame Unit: Mfr Part # P3490000600, Frame Unit Assembly
BOSTITCH
BOSTITCH
BOSTITCH Retaining Ring, 6mm: Mfr Part # 9R189716, Retaining Ring
BOSTITCH
BOSTITCH
BOSTITCH Magazine Cap: Mfr Part # 9R198710, Cap Magazine
BOSTITCH
BOSTITCH
BOSTITCH Latch: Mfr Part # 149861, Latch
BOSTITCH
BOSTITCH
BOSTITCH Plate Nose: Mfr Part # 104975, Nose Plate