Thermostat and Gasket 6 Cylinder (RH9143)
This is the thermostat for the early cars with the 6 Cylinder engines. Opens at 78 degrees. 1946-1955 Mk-6, R-type, Silver Dawn, Silver Wraith 1956-1959 Silver Cloud I & S-series 1...
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Create A New AccountThis is the fan belt for all cars with a 4.25 litre engine that are fitted with the original smaller high speed pulley RE4736.
From VIN B213GT (MkVI) and WHD77 (Silver Wraith) approximately the larger, low speed pulley RE11270 was fitted which takes the later belt RE20950.
The very last R Types (from VIN B325YA approx) and Silver Wraith models were fitted with a smaller high speed pulley RE19043 which also accepts this belt RE20941.
The circumference is 49.5" if you need the later belt you can find it here.
1947-1951 Silver Wraith, Mk-6