Description
Overview:
The Holder Joint B (312D41-1) is a genuine Makita replacement part for the DCG180 series cordless caulking guns. It sits within the holder/barrel assembly to support correct alignment and smooth operation of the drive system, helping your gun deliver an even, controlled bead. Built with a durable construction to handle daily site use, it restores original performance when the existing joint is worn or damaged. Designed for a precise fit on Makita DCG180ZB and DCG180ZBK tools, it is suitable for both professional trades and DIY users who need reliable, consistent caulk application. Using a genuine Makita component maintains compatibility and protects your tool's service life, making routine maintenance straightforward and reducing the risk of unplanned downtime.
Key Features:
- Genuine Makita part for assured fit, function, and reliability
- Direct replacement for Holder Joint B, restoring smooth extrusion and alignment
- Durable construction to withstand repeated trigger cycles and regular site use
- Precision-made to integrate with the holder assembly without modification
- Helps reduce play and wear, supporting consistent bead control
- Easy to install with standard hand tools, minimising downtime
- Designed specifically for the DCG180 platform for dependable compatibility
- Supports preventative maintenance to extend the life of your caulking gun
Typical Applications:
Used during servicing or repair of Makita DCG180 cordless caulking guns to maintain smooth, controlled delivery of sealants and adhesives. Common in glazing, sanitary sealing, kitchens and bathrooms, joinery, roofing, cladding, and general construction tasks where consistent application and tool reliability are important.
Also known as:
Joint holder B, holder coupling, caulking gun joint piece, holder connector, link joint for holder assembly, cartridge holder joint, front holder connector, gun frame joint, replacement joint for caulking gun holder.
Fits Models:
DCG180RFB, DCG180ZB, DCG180ZBK
Alternate Part Numbers:
318958-2, 312D41 1, 312D411, 3189582
