Here is a New Old Stock Intermotor Water Temperature Switch (slight marks, tatty box) for 

Renault

Fuego TL 1397cc 1980-86

Fuego TS GTS 1647cc 1980-86

Fuego TX, GTX 1995cc 1980-86

Fuego Turbo 1565cc 1983-86

Fuego L-Jetronic 1647cc 1982-86 (USA) 

9 C, TC, GTC 1981-89

9 TL, TLE 1397cc 1981-86

9 GTS, TSE, TCE 1397cc 1981-89

9 GTX 1721cc 1984-85

9 TD 1595cc Diesel 1983-89

11 TC, GTC 1983-89

11 GTL, TSE, Turbo 1397cc 1983-86

11 GTX, TSE 1721cc 1984-86

11 GTD 1545cc Diesel 1984-86

18 1397cc, 1647cc, 1995cc (5 Speed) 1978-86

18 TL, GTL, Turbo 1978-86

18 Diesel, Turbo Diesel (4 Speed) 1984-86

20 TL, GTL 1647cc 1976-84

20 LS, TS 1995cc 1977-84

20 TX 2165cc 1981-84

30 TS, TX 1975-84 models.