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BOSTITCHAir Tool Replacement Parts

BOSTITCH Piston Ring 9R189690

The BOSTITCH Piston Ring (Mfr Part # 9R189690) is an air tool replacement part, specifically a piston ring compatible with BOSTITCH models LPF21PL and LPF33PT. This component is identified by manufacturer part number…

SKU 3G-OTH-166537

Brand
BOSTITCH
Item
Piston Ring 9R189690
Part Number
9R189690
Category
Air Tool Replacement Parts
Available to Order
Also known as:9R189690BOSTITCH
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Technical Specifications

BOSTITCH
Manufacturer Part Number
9R189690
Type
Piston Ring, Compatible with Mfr Part # LPF21PL/LPF33PT

Technical Documents

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

Product Description

The BOSTITCH Piston Ring (Mfr Part # 9R189690) is an air tool replacement part, specifically a piston ring compatible with BOSTITCH models LPF21PL and LPF33PT. This component is identified by manufacturer part number 9R189690 and is designed for use in pneumatic tools requiring this specific ring.

Frequently Asked Questions

What is the BOSTITCH Piston Ring 9R189690 used for?

The BOSTITCH Piston Ring 9R189690 is a replacement part for pneumatic air tools, specifically compatible with BOSTITCH models LPF21PL and LPF33PT. It seals the piston within the cylinder to maintain compression and tool performance. This ring is essential for restoring power and efficiency in nailers and staplers used in framing, finishing, and construction applications.

What are the specifications of the BOSTITCH Piston Ring 9R189690?

The BOSTITCH Piston Ring is identified by manufacturer part number 9R189690 and cross-references to BOSTITCH part 36Z449. It is designed as a direct replacement for pneumatic tools in the LPF21PL and LPF33PT series. The ring is a precision-machined component that ensures proper piston sealing in BOSTITCH air tools.

Where to buy BOSTITCH Piston Ring 9R189690 worldwide?

You can source the BOSTITCH Piston Ring 9R189690 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine BOSTITCH replacement parts for pneumatic tools to customers across multiple industries.

How to install the BOSTITCH Piston Ring 9R189690?

To install the BOSTITCH Piston Ring 9R189690, first disconnect the air tool from its power source. Remove the cylinder head and old piston ring, then carefully fit the new ring into the piston groove without twisting. Reassemble the tool and test for smooth operation. Always follow the manufacturer's service manual for torque specs and lubrication requirements.

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.
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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.

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