GUARD AS-ALTERNATOR 2676438 - Caterpillar

Generator Set:
3512 (S/N: ZAF1-UP)
3512B (S/N: ZAH1-UP; ZAJ1-UP)
3516B (S/N: ZAP1-UP)
3516C (S/N: SBK1-UP)
Engine:
3508 (S/N: ZAB1-UP; CNF1-UP; PTK1-UP; 8TL1-UP; 3HM1-UP; 9WN1-UP; CAW1-UP; 5PW1-UP; 95Y1-UP; 96Y1-UP; 97Y1-UP; 23Z1-UP; 68Z1-UP; 69Z1-UP; 70Z1-UP)
3512 (S/N: PTG1-UP; PTH1-UP; CMJ1-UP; YAK1-UP; FDR1-UP; 6WW1-UP; YAX1-UP; 49Y1-UP; 50Y1-UP; 51Y1-UP; 24Z1-UP; 65Z1-UP; 66Z1-UP; 67Z1-UP)
3512B (S/N: CMC1-UP; NSC1-UP; FDE1-UP; BLF1-UP; PTF1-UP; 2AF1-UP; AAG1-UP; FFG1-UP; PWG1-UP; S2G1-UP; S2H1-UP; YAH1-UP; S2J1-UP; BRK1-UP; S2K1-UP; S2L1-UP; PTM1-UP; S2M1-UP; YAM1-UP; 8EM1-UP; 8RM1-UP; S2N1-UP; YAN1-UP; 4TN1-UP; 1PW1-UP; 2GW1-UP; 3ZW1-UP; 4AW1-UP; 5AW1-UP; 6GW1-UP; YAY1-UP; YAZ1-UP; 2EZ1-UP)
3512C (S/N: TTC1-UP; TTE1-UP; TTF1-UP; TTG1-UP; MKH1-UP; LLK1-UP; MLM1-UP; SLM1-UP; T3P1-UP; T3R1-UP; RMS1-UP; T3S1-UP; LLT1-UP; E3W1-UP; T3W1-UP; E3X1-UP; E3Y1-UP)
3516 (S/N: CMD1-UP; CAL1-UP; YAL1-UP; ZAL1-UP; GZR1-UP; YAS1-UP; YBS1-UP; 2TS1-UP; 3JS1-UP; RKT1-UP; 8TW1-UP; GZX1-UP; 25Z1-UP; 27Z1-UP; 29Z1-UP; 71Z1-UP; 72Z1-UP; 73Z1-UP)
3516B (S/N: CPA1-UP; BMB1-UP; CDE1-UP; BPJ1-UP; BCK1-UP; LEK1-UP)
3516B (S/N: TAK1-UP)
3516B (S/N: CAN1-UP; FDN1-UP; 7RN1-UP; 8KN1-UP; S2P1-UP; YAP1-UP; ZBP1-UP; GAR1-UP; PBR1-UP; S2R1-UP; YAR1-UP; ZAR1-UP; ZBR1-UP; GZS1-UP; S2S1-UP; GZT1-UP; S2T1-UP; YAT1-UP; YBT1-UP; S2W1-UP; YAW1-UP; YBW1-UP; 1NW1-UP; 2FW1-UP; 2JW1-UP; 3CW1-UP; 4BW1-UP; 8NW1-UP; FDX1-UP; S2X1-UP; GZY1-UP; S2Y1-UP; S2Z1-UP; 6HZ1-UP)
3516C (S/N: TTD1-UP; PAG1-UP; TTH1-UP; SCJ1-UP; TTJ1-UP; SCK1-UP; SEK1-UP; SBM1-UP; JTS1-UP; TKS1-UP; TKT1-UP; SDX1-UP; T2X1-UP; TKY1-UP; E3Z1-UP)
Pumper:
SPF343C (S/N: RTX1-UP)
Petroleum Engine:
3512C (S/N: LLA1-UP; R1A1-UP; LLB1-UP; LLF1-UP)
3516C (S/N: PES1-UP)
Petroleum Power Train Package:
TH48-E80-3512CP (S/N: PLZ1-UP)
Power Module:
PM3512 (S/N: BRF1-UP; BNR1-UP)
PM3516 (S/N: CAC1-UP; BPD1-UP; NAM1-UP; NBR1-UP)
PP3516 (S/N: PPS1-UP)
Engine News SEBD9844, 6 February 2012, "A New Coolant Elbow Is Used on Certain 3500 and G3500 Engines". The original article was revised to add serial number prefix S/N:25Z
.Description of Change: A new coolant elbow is available, the new elbow incorporates a clamp also. The new elbow and clamp create a more secure connection.Adaptable To: The new 390-7470 Elbow is a direct replacement for the former 1N-4087 Elbow. The new elbow must use the 264-8272 Clamp As .The new elbow and clamp are adaptable back to first production of all the serial numbers listed above.The new elbow and clamp are effective with engines built beginning 28November 2012.
Illustration 1 g03317306
Typical example - (right side view of the engine) (1) 390-7470 Elbow (2) 264-8272 Clamp As