GASKET KIT 1558694 - Caterpillar

Engine:
G3508 (S/N: WPN1661-1662)
G3508B (S/N: RBK1456-1457,1462-1463,1465-1466,1468-1474,1481-1482,1484-1485,1487-1487,1493-1493,1495-1501,1510-1510,1512-1512,1516-1517,1519-1521)
G3512B (S/N: JHH1037-1038,1040-1040)
G3516 (S/N: WPS241-244; WPT1591-1592; WPW2955-2968)
G3516B (S/N: JEF2852-2877,2880-2885,2888-2896,2899-2923,2925-2928,2931-2932,2934-2948,2950-2956,2958-2959,2962-2963,2965-2973,2975-2979,2981-2993,2995-3008,3010-3011,3013-3013,3015-3032,3035-3036,3039-3090,3092-3097,3099-3101,3103-3104,3106-3108,3110-3113,3115-3118,3120-3125,3127-3130,3132-3137,3139-3176,3178-3202,3204-3205,3207-3210,3212-3221,3223-3226,3228-3231,3234-3240,3242-3243)
Engine News SEBD9993, 5 June 2015, "A New Pressure Switch Is Available for Certain G3500 Engines". Disregard the previous article, refer to the article that follows. Added a note. The 150-1240 Pressure Switch is missing on the serial numbers listed above. The 150-1240 Pressure Switch was not installed during production and is required to operate the engine prelube system.The 150-1240 Pressure Switch can be ordered and installed on the engine.The serial numbers listed in Table 1 have the 150-1240 Pressure Switch installed from the factory.Note: G3500B engines with serial numbers that come after the effective serial number are built with the prelube pressure switch installed at the factory instead of shipped loose.
Table 1
Effective Serial Numbers    
S/N:WPN01663-UP    
S/N:RBK01522-UP    
S/N:JHH01041-UP    
S/N:WPS00245-UP    
S/N:WPT01593-UP    
S/N:WPW02969-UP    
S/N:JEF03244-UP