Most current vehicle manufacturers have their own brand coolants that contain chemical properties & additives designed to protect & enhance the life of their particular cooling systems.  In spite of some manufacture's advertisements claiming "one type fits all", it is wise to stick to the type coolant meant for the car make.  Yes, any coolant, even water, will do the job of cooling - however over the long term damage can occur to vital engine parts.  Liken it to drinking a cheap soft drink -  it may quench your thirst but over time your internals & more will suffer conseqences.  For older vehicles not requiring special coolant, we supply a green colored generic PartsMaster coolant.