quick view Add to Cart O Ring Adapter (Various Applications) (RE25134) MSRP: $5.80 This is the heater pipe O ring is suitable for all cars from 1966 to 1998.This O ring can be found in the HVAC heater pipe, thermostat housing, cooling system and the fuel system. 1966-1980 Silver Shadow, T-series, Shadow II, T-2, Silver Wraith... Add to Cart