Description
Overview:
The Piston C Assembly (123221-8) is a genuine Makita replacement part for DCG180-series cordless caulking guns, including DCG180RFB and DCG180ZB. It is designed to restore smooth, reliable dispensing by maintaining proper sealing and thrust inside the tool's drive system. Built from durable metal and composite components, the assembly is made to withstand regular site and workshop use. As a complete assembly, it allows a straightforward swap when the original piston shows wear, sticking, or loss of pressure. Fitting a fresh piston helps achieve consistent bead control with silicones, sealants, and adhesives, reducing downtime and extending the service life of your dispenser. This is a Genuine Part from Makita, ensuring correct fit and performance in compatible DCG180 models.
Key Features:
- Genuine Makita OEM part (123221-8) for assured compatibility and fit
- Direct replacement for worn or damaged pistons to restore dispensing performance
- Durable construction for frequent use and long service life
- Pre-assembled unit to support quick, hassle-free fitting with basic tools
- Helps maintain smooth, consistent flow and even bead formation
- Tight sealing surfaces to minimise material bypass and drips
- Maintains alignment under load to reduce binding and uneven wear
- Suitable for professional trades and DIY maintenance of DCG180 caulking guns
Typical Applications:
Used during routine maintenance or repairs of Makita DCG180 caulking guns to regain smooth operation when applying silicones, mastics, and construction adhesives. Common in glazing, bathrooms and kitchens, roofing, HVAC, flooring, and general construction work, as well as facilities maintenance and light automotive sealing tasks where precise, controlled bead application is required.
Also known as:
Plunger assembly, drive piston, dispenser piston, sealant ram, pusher piston, pressure piston, caulking gun piston, sealant plunger, replacement plunger.
Fits Models:
DCG180RFB
DCG180ZB
DCG180ZBK
Alternate Part Numbers:
123221 8, 1232218
