• 38mm / 1.5 inch radiator hose fitting & 0-300'F temp sender.
• Sized by the outside diameter of the fittings outer raised lip.
• Fitting length is 2.7 inches or 68mm, regardless of hose size.
• Reads liquid temperature and relays to temperature gauge.
• Mounts anywhere along the radiator or oil cooler hose line.
• Probe measures fluid temps including water, coolant and oil.
• Universal design for all radiators and condenser hose lines.
• Other in-hose fitting sizes can be found in this eBay listing.