Original Lucas 6RA 4 terminal normally open relay. Item has been dismantled/checked and contacts cleaned, casing has been blasted and lacquered, I've also tested it with a 12 volt supply and a multimeter so I can confirm it works correctly. All in excellent condition. Coil is 70 ohms so suitable for periodic (ie horn) or continuous (ie alternator) use. Marked with Lucas part number 33315 and dated 1970. I've not been able to identify what this one originates from so please double check exact fitment.
eBay