RING 1P2278 - 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: 3PS1-UP; 5PW1-UP; 23Z1-UP; 70Z1-UP)
3508B (S/N: CNB1-UP; S2B1-UP; S2D1-UP; S2E1-UP; 2HW1-UP; 5KW1-UP; BGX1-UP; BPX1-UP)
3512 (S/N: CMJ1-UP; YAK1-UP; FDR1-UP; 6WW1-UP; YAX1-UP; 49Y1-UP; 50Y1-UP; 24Z1-UP; 65Z1-UP; 66Z1-UP; 67Z1-UP)
3512B (S/N: CMC1-UP; NSC1-UP; FDE1-UP; BLF1-UP; PTF1-UP; PWG1-UP; S2G1-UP; S2H1-UP; S2J1-UP; BRK1-UP; S2K1-UP; S2L1-UP; PTM1-UP; S2M1-UP; YAM1-UP; 7HM1-UP; 8EM1-UP; 8RM1-UP; S2N1-UP; YAN1-UP; 4TN1-UP; 1PW1-UP; 4AW1-UP; 5AW1-UP; 6GW1-UP; YAY1-UP; YAZ1-UP)
3512C (S/N: TTC1-UP; TTE1-UP; TTF1-UP; MRG1-UP; SBG1-UP; TTG1-UP; MKH1-UP; SLM1-UP; TKP1-UP; T3P1-UP; T3R1-UP; T3S1-UP; E3W1-UP; T3W1-UP; E3X1-UP; E3Y1-UP)
3516 (S/N: 4MJ1-UP; YAL1-UP; ZAL1-UP; ZBL1-UP; GZR1-UP; YAS1-UP; YBS1-UP; 8TW1-UP; GZX1-UP; 25Z1-UP; 27Z1-UP; 29Z1-UP; 71Z1-UP; 72Z1-UP; 73Z1-UP)
3516B (S/N: CPA1-UP; BMB1-UP; B5G1-UP; BPJ1-UP; CAN1-UP; CBN1-UP; FDN1-UP; 7RN1-UP; 9AN1-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; 8NW1-UP; FDX1-UP; S2X1-UP; GZY1-UP; S2Y1-UP; S2Z1-UP)
3516C (S/N: SKC1-UP; TTD1-UP; PAG1-UP; TTH1-UP; SBJ1-UP; SCJ1-UP; SFJ1-UP; TTJ1-UP; SCK1-UP; SEK1-UP; SFK1-UP; SBM1-UP; TKR1-UP; JTS1-UP; TKS1-UP; TKT1-UP; TKX1-UP; TKY1-UP; E3Z1-UP; GS21-UP)
G3508 SI TA (S/N: CPJ1-UP)
G3512 (S/N: 5JD1-UP; 7NJ1-UP)
G3512 SI TA (S/N: CRN1-UP; CSP1-UP)
G3512 (S/N: GNS1-UP)
G3516 (S/N: L6A1-UP; ZBA1-UP; 8LD1-UP; L6E1-UP; L6F1-UP; L6G1-UP; 4EK1-UP; WPS1-UP; ZAZ1-UP; WC21-UP; WC31-UP)
G3516B (S/N: ZBB1-UP; ZBC1-UP; JEF1-UP; L6H1-UP; L6J1-UP; CEY1-UP)
G3520C (S/N: GZJ1-UP; GZN1-UP)
Petroleum Engine:
3512C (S/N: LLB1-UP; LLF1-UP)
3516C (S/N: PES1-UP)
Power Module:
PM3516 (S/N: KEN1-UP; NBR1-UP)
PP3516 (S/N: PPS1-UP)
Description of Change: The new seal is designed to prevent leaks from the 3T-3735 Prelubrication Oil Pump Gp and the 302-8729 Prelubrication Oil Pump Gp. Adaptable To: The new seal and the original seal are listed in Table 1. The new seal is adaptable to the pre-lube pumps back to first production.
Table 1
New Part     Original Part    
437-1270 Seal Kit     1H-5959 Lip Type Seal