This screw-in coolant temperature sensor is used with all Holley EFI systems and fits coolant passages with 3/8" NPT threads for a leak-free installation.
Specifications:
- Thread: 3/8" NPT, sealant pre-applied
- Temperature Range: -40°F to 275°F
- Mounting Type: Screw-in
- Connector: 2-pin, GT150, Black
- Part Number: 534-10
FAQ
What is the operating temperature range of this sensor?
It reads from -40°F to 275°F.
What thread does this sensor use?
It fits coolant passages with 3/8" NPT threads and comes with sealant pre-applied.
Is this sensor compatible with all Holley EFI systems?
Yes, it's designed for use with all Holley EFI systems.

