The HYDRO AIR switch is supplied as a complete kit with mercury free switch head
Exhaust Gasket (Item 8 in Drawing)
21QB351P76
OEM Reference : Mack 36QX43M2
MaxiForce® Caterpillar® OK701/45 Kit, O/H, 45 Valve, Turbo, 3056T 57GC2188 The HYDRO AIR switch isProduct Details : Select Caterpillar Applications. OEM Reference : Caterpillar OK701 45. Please do not hesitate to contact us with your vehicle, engine and or part(s) details to determine if this product is appropriate for your particular engine and or application. MaxiForce : Brand New, Premium Replacement Parts Coverage for Caterpillar, Cummins, International Harvester, John Deere, Komatsu, Mitsubishi, Navistar, Perkins, Shibaura, Thermo King and