O ring seal (AC system) (2 required per car)

Hydrogenated nitrile butadiene rubber o ring used 3 times (2 if you don't have the 110527 adapter hub fitted) on the air conditioning system - used on the condenser end of the compressor-to-evaporator hose (bottom of the condenser), and the 110527 adapter hub if fitted here, and on the high pressure switch. 3 of these are 3 of the 11 o-rings used on the air conditioning system (10 if you don't have the 110527 adapter hub fitted).