Temperature Sender Unit (Suit Gauges) Holden HK HT HG HQ HB LC LJ 6Cyl V8 - 7438478

When restoring or maintaining a classic Holden, accurate gauge readings are essential to keeping your engine protected. The Temperature Sender Unit is specifically suited to 6-Cylinder or V8 Engines found in Holden HK, HT and HG models, as well as HB, LC and LJ Torana models (excluding 1600 engines). Designed to measure engine coolant temperature and transmit the correct signal to factory gauge clusters (not warning light systems), this sender ensures dependable and period-correct operation for classic Holden applications.

• Full Brass Body Construction: Provides durability, corrosion resistance and effective thermal conductivity.
  
  
• Smooth Brass Sensing Probe: Cylindrical probe inserts directly into the engine block or thermostat housing for accurate coolant temperature detection.
  
  
• Male Tapered Pipe Thread: Ensures a secure, leak-free screw-in installation.
  
  
• Integrated Hex Nut Section: Built-in hexagonal brass nut allows tightening with a standard wrench or socket.
  
  
• Single Button-Top Terminal Connection: Pin-type brass terminal connects directly to the factory gauge wiring loom clip.
  
  
• Insulated Terminal Collar: White plastic/ceramic insulating collar isolates the terminal for consistent signal transmission.

Whether you’re completing a concours restoration or simply replacing a faulty original sender, the Temperature Sender Unit delivers reliable coolant temperature readings while maintaining compatibility with classic Holden factory gauge systems.