This is a quality Italian maker temperature warning light switch sending unit for all DOHC Fiat 124-series, 131 Brava, and Lancia Scorpion.
Fitted in the cylinder head.
Reads maximum temperature in block and if overheating occurs (115 degrees celcius), activates the dash water temperature warning light.
Note: on the DOHC head, there are 2 (two) water temperature senders.
Most always, temp light sender has black plastic cap and is located in the front (nose side) of head.
Most always, temp gauge sender has red plastic cap and is located in the rear (firewall side) of head.
(temp gauge sender available as 4448131)
To further confirm identification of required temperature sender, please check our photos.
Fiat 124 Spider All (1968-85)
Fiat 124 Coupe All (1968-75)
Fiat 124 Special TC Sedan Wagon 1592cc (1974)
Fiat 131 Brava All (1975-82)