JET AS-PISTON COOLING 1684538 - Caterpillar

Engine:
3508 (S/N: 3HM1-UP; 9WN1-UP; 3LS1-UP; 95Y1-UP; 96Y1-UP; 97Y1-UP; 23Z1-UP; 68Z1-UP; 69Z1-UP; 70Z1-UP; 8TL1-UP)
3508B (S/N: CBB1-UP; S2B1-UP; S2D1-UP; S2E1-UP; S2F1-UP; 2BM1-UP; 3DM1-UP; 4GM1-UP; 7SM1-UP; 6PN1-UP; 5PS1-UP; 1TW1-UP; 2HW1-UP; 3DW1-UP; BPX1-UP; BAG1-UP; LPD1-UP)
3512 (S/N: 2WK1-UP; 6PM1-UP; 3MS1-UP; 49Y1-UP; 50Y1-UP; 51Y1-UP; 24Z1-UP; 65Z1-UP; 66Z1-UP; 67Z1-UP)
3512B (S/N: BRC1-UP; 2AF1-UP; 8DF1-UP; MRG1-UP; PWG1-UP; MKH1-UP; S2H1-UP; S2J1-UP; S2K1-UP; S2L1-UP; S2M1-UP; 7HM1-UP; 8EM1-UP; 8RM1-UP; BRN1-UP; S2N1-UP; 4TN1-UP; 6WN1-UP; 1PW1-UP; 2GW1-UP; 3ZW1-UP; 4AW1-UP; 5AW1-UP; 2EZ1-UP; AAG1-UP; FFG1-UP)
3516 (S/N: 7KM1-UP; 3NS1-UP; 25Z1-UP; 27Z1-UP; 71Z1-UP; 72Z1-UP; 73Z1-UP; 3JS1-UP; 2TS1-UP)
3516B (S/N: 9WF1-UP; B5G1-UP; PAG1-UP; BCK1-UP; CAN1-UP; CBN1-UP; 6HN1-UP; 7RN1-UP; 8CN1-UP; 8KN1-UP; 9AN1-UP; S2R1-UP; S2S1-UP; S2W1-UP; 2FW1-UP; 2JW1-UP; 3CW1-UP; 4BW1-UP; S2X1-UP; S2Y1-UP)
G3508 (S/N: 4WD1-UP; 9TG1-UP)
G3512 (S/N: 5JD1-UP; 7NJ1-UP; 9FP1-UP; 6JW1-UP)
G3516 (S/N: 8LD1-UP; 4EK1-UP; 8PW1-UP)
G3516B (S/N: CEY1-UP; 7EZ1-UP; TAK1-UP)
Description of Change: A new gasket improves the sealing capability at the oil drain line on turbochargers for 3500 Engines. The new gasket maintains an effective seal during fluctuations of temperature. The new gasket uses a carbon fiber material that will withstand higher operating temperatures. The new gasket has a tab that helps to locate the gasket at assembly.Adaptable To: The new 252-8374 Gasket is a direct replacement for the former 6L-1694 Gasket. The 6L-1694 Gasket is not cancelled.The new gasket is adaptable to all of the Engines that are listed above. Table 1 lists the serial number effectivity for the new gasket.
Table 1
Serial Number Effectivity    
Sales Model    Serial Number    
3508     S/N:3HM00015-UP    
3508     S/N:9WN00016-UP    
3508     S/N:3LS00028-UP    
3508     S/N:95Y01238-UP    
3508     S/N:96Y02080-UP    
3508     S/N:97Y00748-UP    
3508     S/N:23Z07950-UP    
3508     S/N:68Z01268-UP    
3508     S/N:69Z00895-UP    
3508     S/N:70Z01079-UP    
3508     S/N:8TL00011-UP    
3508B     S/N:CBB00247-UP    
3508B     S/N:S2B00117-UP    
3508B     S/N:S2D00108-UP    
3508B     S/N:S2E00154-UP    
3508B     S/N:S2F00104-UP    
3508B     S/N:2BM00188-UP    
3508B     S/N:3DM00488-UP    
3508B     S/N:4GM00743-UP    
3508B     S/N:7SM01002-UP    
3508B     S/N:6PN00895-UP    
3508B     S/N:5PS00328-UP    
3508B     S/N:1TW00362-UP    
3508B     S/N:2HW00282-UP    
3508B     S/N:3DW00182-UP    
3508B     S/N:BPX00102-UP    
3508B     S/N:BAG00025-UP    
3508B     S/N:LPD00013 and Up    
3512     S/N:2WK00087-UP    
3512     S/N:6PM00895-UP    
3512     S/N:3MS00233-UP    
3512     S/N:49Y01060-UP    
3512     S/N:50Y01843-UP    
3512     S/N:51Y00867-UP    
3512     S/N:24Z10167-UP    
3512     S/N:65Z01153-UP    
3512     S/N:66Z00953-UP    
3512     S/N:67Z02099-UP    
3512B     S/N:BRC00159-UP    
3512B     S/N:2AF00401-UP    
3512B     S/N:8DF00187-UP    
3512B     S/N:MRG00104-UP    
3512B     S/N:PWG00125-UP    
3512B     S/N:MKH00102-UP    
3512B     S/N:S2H00117-UP    
3512B     S/N:S2J00125-UP    
3512B     S/N:S2K00108-UP    
3512B     S/N:S2L00171-UP    
3512B     S/N:S2M00110-UP    
3512B     S/N:7HM00270-UP    
3512B     S/N:8EM00531-UP    
3512B     S/N:8RM00760-UP    
3512B     S/N:BRN00197-UP    
3512B     S/N:S2N00107-UP    
3512B     S/N:4TN00846-UP    
3512B     S/N:6WN00803-UP    
3512B     S/N:1PW00441-UP    
3512B     S/N:2GW00428-UP    
3512B     S/N:3ZW00594-UP    
3512B     S/N:4AW00887-UP    
3512B     S/N:5AW00138-UP    
3512B     S/N:2EZ00362-UP    
3512B     S/N:AAG00006-UP    
3512B     S/N:FFG00027-UP