Description
Overview:
The Piston A Comp (MPN 142071-2) is a genuine Makita replacement part for cordless caulking and sealant guns. Built from durable materials, it restores the push force and smooth feed needed for clean, controlled bead application. This component is designed to slot into the drive system of your tool, maintaining consistent pressure and reliable performance during repetitive dispensing tasks. Ideal for regular maintenance or repair, it helps keep your Makita caulking guns working as intended. Compatible with popular models including DCG180ZBK and DCG140Z, this OEM piston provides the correct fit and function without modification, supporting both trade and DIY users who need dependable, day-to-day operation on site or at home.
Key Features:
- Genuine Makita OEM piston (142071-2) for exact fit and reliable operation
- Restores smooth, consistent dispensing and steady thrust under load
- Durable construction designed for frequent, heavy use on site
- Direct replacement for worn or damaged pistons to extend tool life
- Supports accurate bead control for sealants and adhesives
- Straightforward to fit when following the Makita service manual
Typical Applications:
Ideal for maintenance and repair of Makita caulking guns used on construction, glazing, plumbing, electrical installations, and general building work. Helps achieve even bead application on windows, doors, cladding, roofing details, kitchens, bathrooms, and interior finishing tasks where reliable, repeatable sealant delivery is required.
Also known as:
Caulking gun piston, sealant gun piston, plunger assembly, drive piston, thrust piston, dispensing piston, Makita piston assembly, pusher piston, replacement piston for sealant guns.
Fits Models:
CG100DWAEA, CG100DZA, DCG140RF, DCG140Z, DCG180RFB, DCG180ZB, DCG180ZBK
Alternate Part Numbers:
142071 2, 1420712
Product Specifications
| L&S Part No. | 142071-2 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 142071-2 |
| Unit of Sale | 1 |
| Applications | CG100DWAEA, CG100DZA, DCG140RF, DCG140Z, DCG180RFB, DCG180ZB, DCG180ZBK |
| Machine Type | Handheld Construction Tools |
| Fits Brands | Makita |
| Fits Models | DCG180ZBK | DCG140Z | DCG180RFB | DCG180ZB | CG100DWAEA | CG100DZA | DCG140RF |
