This is the Oil filler cap cork seal.4.5 Liter Silver Dawn up to current models 1946-1955 Silver Dawn & Silver Wraith, Bentley Mk-6, R-type 1956-1965 Rolls-Royce Silver Cloud I, II, III...

This is a filler cap for mineral fluid cars. 1981-1998 Silver Spirit, Sliver Spur, Mulsanne, Turbo R, Pre Arnage, Azure

This is a direct replacement fuel filler cap. 1977-1980 USA Models Only (Vin# 25596-40913) 1981-1998 Spirit, Spur, Flying Spur, Dawn, Corniche & Limousine  1981-2003 Bentley Mulsanne,...

This is a good used fuel filler cap / gas filler cap. You may need to purchase the seal for the cap part# C-151 1955-1965 Silver Cloud & S-series, Continental & Phantom V   ...

This is the filler cap for the top of the Master Cylinder (RG5782).  1946-1955 Silver Wraith, Mk-6, Sliver Dawn. R-type