The VDO adaptor converts 5/8"-18 UNF thread to 1/8"-27 NPTF thread, providing a reliable solution for adapting instrumentation and sensor fittings in automotive and industrial applications. Precision machined to maintain thread integrity, it enables simple installation of pressure and temperature senders, gauge adapters and similar components where differing thread standards must be joined. Designed for compact spaces, the adaptor ensures a secure connection when used with appropriate thread sealant or PTFE tape.

• Thread conversion: 5/8"-18 UNF to 1/8"-27 NPTF
• Precision machined threads for accurate fitment
• Durable corrosion resistant metal construction for long term use
• Compact profile suitable for tight installations
• Works with sensors, gauge senders and inline fittings

This adaptor is suited to workshop and DIY use where different thread standards need to be joined quickly and securely. Confirm compatibility with your vehicle or equipment using the Parts Checker before installation. Follow manufacturer torque recommendations and use the correct sealing method for a leak free connection.