Cardone 32-303 Remanufactured  Smog Pump Vane size and shape are correct on each application to maintain proper flow; also New Carbon Shoes/Vanes installed in every unit. Every unit is thoroughly cleaned to eliminate contamination. Cardone remanufactured smog air pumps good for the environment High temperature grease is used in all bearings. Units meet OBD II requirements, where applicable. Every unit is 100% tested to ensure quality and reliability.