Metric adapter fitting designed to convert a metric M12 x 1.5 male threaded port to a standard 1/8 inch NPTF female connection. This adapter is commonly used for installing electric temperature or pressure senders in GM LS engine cylinder heads.

When used with short sweep electric temperature gauges, this adapter requires sender #2259 to complete the installation. Constructed from solid brass, the fitting provides reliable sealing and long-term durability in engine and sensor applications.

• Adapter fitting
• M12 x 1.5 male thread
• 1/8 in. NPTF female thread
• Solid brass construction
• Commonly used for electric temperature or pressure sender installation
• Typical GM LS cylinder head application