New Water Pump Seal and Water Pumps Are Used on Certain 3500 and G3500 Engines {1361} Caterpillar

Gas Engine

G3508 (S/N: WPN1-UP)

G3512 (S/N: 7NJ1-UP; WPP1-UP; WPR1-UP)

G3516 (S/N: 4EK1-UP; WPS1-UP; WPT1-UP; WPW1-UP)

Gen Set Engine

3508 (S/N: 23Z1-UP; 70Z1-UP)

3508B (S/N: 6PN1-UP; 2HW1-UP)

3508C PETROLEUM (S/N: LLC1-UP)

3512 (S/N: 24Z1-UP; 67Z1-UP)

3512B (S/N: 8RM1-UP; 4DR1-UP; 4AW1-UP)

3516 (S/N: 25Z1-UP; 73Z1-UP)

3516B (S/N: 7RN1-UP; 1NW1-UP; 2JW1-UP)

Gen Set-Military

3512B (S/N: NSC1-UP)

3516B (S/N: TAK1-UP)

Generator Set

3508 (S/N: CNF1-UP; 5PW1-UP)

3508B (S/N: ZAD1-UP; 5KW1-UP; BGX1-UP)

3512 (S/N: PTH1-UP; CMJ1-UP; YAK1-UP; FDR1-UP; 6WW1-UP)

3512 GEN SET (S/N: ZAF1-UP)

3512B (S/N: CMC1-UP; FDE1-UP; BLF1-UP; PTF1-UP; PTM1-UP; 6GW1-UP)

3512B GENSET (S/N: ZAH1-UP; ZAJ1-UP)

3512C (S/N: SBG1-UP; RMS1-UP)

3516 (S/N: ZAL1-UP; YAS1-UP; 8TW1-UP)

3516B (S/N: LEK1-UP; YAP1-UP; ZAP1-UP; PBR1-UP; ZAR1-UP; GZS1-UP; GZT1-UP; YAT1-UP; 8NW1-UP; FDX1-UP; GZY1-UP)

3516C (S/N: SBJ1-UP)

3516C GEN SET (S/N: SBK1-UP)

G3508 (S/N: CPJ1-UP; CPS1-UP)

G3512 (S/N: CRN1-UP; CSP1-UP)

G3516 (S/N: ZBA1-UP)

G3516B (S/N: ZBB1-UP; CSC1-UP; ZBC1-UP)

Industrial Engine

3508 (S/N: 95Y1-UP)

3508B (S/N: CBB1-UP)

3512 (S/N: 49Y1-UP; 65Z1-UP)

3512B (S/N: 2AF1-UP; PWG1-UP)

3512C (S/N: LLA1-UP; MLM1-UP)

3512C PETROLEUM (S/N: R1A1-UP)

3516 (S/N: 71Z1-UP)

3516B (S/N: CAN1-UP; 6HZ1-UP)

Locomotive Engine

3508B (S/N: 5PS1-UP)

3512B (S/N: 3ZW1-UP)

3512C (S/N: NJT1-UP)

3516B (S/N: BCK1-UP)

Marine Auxillary Engine

3508B (S/N: S2A1-UP; S2B1-UP; 3DM1-UP; 3DW1-UP)

3512B (S/N: FFG1-UP; S2G1-UP; S2H1-UP; 8EM1-UP)

3512C (S/N: SLM1-UP)

3516B (S/N: CBN1-UP; 9AN1-UP; S2P1-UP; S2R1-UP; 2FW1-UP; S2Z1-UP)

3516C (S/N: JTS1-UP; TKX1-UP)

Marine Engine

3508 (S/N: 96Y1-UP; 69Z1-UP)

3508B (S/N: S2D1-UP; S2E1-UP)

3508C (S/N: TTA1-UP; TTB1-UP)

3512 (S/N: 50Y1-UP; 66Z1-UP)

3512B (S/N: S2J1-UP; S2K1-UP; S2L1-UP; S2M1-UP; S2N1-UP)

3512C (S/N: TTC1-UP; TTF1-UP; TTG1-UP; MKH1-UP; T3P1-UP; TKP1-UP; T3R1-UP; T3S1-UP; T3W1-UP; E3X1-UP)

3512C PETROLEUM (S/N: LLB1-UP)

3516 (S/N: 29Z1-UP)

3516B (S/N: S2S1-UP; S2W1-UP; 4BW1-UP; S2X1-UP)

3516C (S/N: TTD1-UP; PAG1-UP; TTJ1-UP; TKR1-UP; TKS1-UP; TKT1-UP; TKY1-UP)

Petroleum Engine

3512B PETROLEUM (S/N: MHA1-UP)

3516C PETROLEUM (S/N: PES1-UP)

Power Module

PM3516 (S/N: BPD1-UP; KEN1-UP)

PP3516 (S/N: PPS1-UP)

Vehicular Engine

3512 (S/N: 51Y1-UP)

Engine News, SEBD9918, 12, December 2013, "New Water Pump Seal and Water Pumps Are Used on Certain 3500 and G3500 Engines ". The original article has been revised to update the effective serial numbers.

Description Of Change: The water pump seal is made of more robust material capable of handling higher engine torsions and dry conditions.

Adaptable To:

Illustration 1	g03394776
(1) 416-0603 Seal Gp

The new 416-0603 Seal Gp replaces the previous 166-4376 Seal Gp. The new seal is also used in the new water pumps. Table 2 contains the new and previous part numbers for this change. The new seal requires the use of the new 438-8155 Adaptor for installation. Table 2 contains the effective serial numbers.

Table 1

Previous Part Number	New Part Number
166-4376 Seal Gp	416-0603 Seal Gp
212-8172 Water Pump Gp	416-0606 Water Pump Gp
212-8173 Water Pump Gp	416-0607 Water Pump Gp
212-8175 Water Pump Gp	416-0608 Water Pump Gp
212-8176 Water Pump Gp	416-0609 Water Pump Gp
212-8177 Water Pump Gp	416-0610 Water Pump Gp
250-6721 Water Pump Gp	416-0611 Water Pump Gp
312-0964 Water Pump Gp	416-0612 Water Pump Gp
313-2650 Water Pump Gp	416-0613 Water Pump Gp
350-8955 Water Pump Gp	416-0614 Water Pump Gp

Table 2

Effective Serial Numbers
S/N:1NW00194-UP
S/N:23Z83002-UP
S/N:24Z10306-UP
S/N:25Z07130-UP
S/N:29Z01699-UP
S/N:2AF00888-UP
S/N:2FW00424-UP
S/N:2HW00388-UP
S/N:2JW00423-UP
S/N:3DM00544-UP
S/N:3DW00192-UP
S/N:3ZW01184-UP
S/N:49Y01253-UP
S/N:4AW01861-UP
S/N:4BW00591-UP
S/N:4DR00020-UP
S/N:4EK42526-UP
S/N:50Y76018-UP
S/N:51Y00889-UP
S/N:5KW02286-UP
S/N:5PS00826-UP
S/N:5PW00910-UP
S/N:65Z01616-UP
S/N:66Z00987-UP
S/N:67Z83002-UP
S/N:69Z05834-UP
S/N:6GW01860-UP
S/N:6HZ00280-UP
S/N:6PN01170-UP
S/N:6WW92002-UP
S/N:70Z01095-UP
S/N:71Z00462-UP
S/N:73Z00999-UP
S/N:7NJ01366-UP
S/N:7RN02147-UP
S/N:8EM00562-UP
S/N:8NW91002-UP
S/N:8RM01058-UP
S/N:8TW00624-UP
S/N:95Y01465-UP
S/N:96Y02168-UP
S/N:9AN00412-UP
S/N:BCK00399-UP
S/N:BGX00158-UP
S/N:BLF00204-UP
S/N:BPD01283-UP
S/N:CAN00139-UP
S/N:CBB00591-UP
S/N:CBN00499-UP
S/N:CMC01890-UP
S/N:CMJ92002-UP
S/N:CNF00750-UP
S/N:CPJ00505-UP
S/N:CPS00419-UP
S/N:CRN00464-UP
S/N:CSC00683-UP
S/N:CSP00258-UP
S/N:E3X00278-UP
S/N:FDE00490-UP
S/N:FDR00345-UP
S/N:FDX00611-UP
S/N:FFG00090-UP
S/N:GZS00952-UP
S/N:GZT00172-UP
S/N:GZY00143-UP
S/N:JTS00442-UP
S/N:KEN00233-UP
S/N:LEK00159-UP
S/N:LLA03935-UP
S/N:LLB00150-UP
S/N:LLC00225-UP
S/N:MHA00162-UP
S/N:MKH00283-UP
S/N:MLM00244-UP
S/N:NSC00019-UP
S/N:PAG00483-UP
S/N:PBR00688-UP
S/N:PES00862-UP
S/N:PPS00160-UP
S/N:PTF92005-UP
S/N:PTH00966-UP
S/N:PTM02980-UP
S/N:PWG00231-UP
S/N:R1A01863-UP
S/N:RMS00340-UP
S/N:S2A00183-UP
S/N:S2B00834-UP
S/N:S2D00275-UP
S/N:S2E00853-UP
S/N:S2G00407-UP
S/N:S2H00640-UP
S/N:S2J00789-UP
S/N:S2K00380-UP
S/N:S2L00984-UP
S/N:S2M00203-UP
S/N:S2N00132-UP
S/N:S2P00251-UP
S/N:S2R00799-UP
S/N:S2S00495-UP
S/N:S2W00150-UP
S/N:S2X01696-UP
S/N:S2Z00435-UP
S/N:SBG01345-UP
S/N:SBJ01474-UP
S/N:SBK01473-UP
S/N:SLM00519-UP
S/N:T3P00222-UP
S/N:T3R00263-UP
S/N:T3S00208-UP
S/N:T3W00215-UP
S/N:TAK00016-UP
S/N:TKP00232-UP
S/N:TKR00206-UP
S/N:TKS00220-UP
S/N:TKT00220-UP
S/N:TKX00202-UP
S/N:TKY00267-UP
S/N:TTA00276-UP
S/N:TTB00558-UP
S/N:TTC00611-UP
S/N:TTD00415-UP
S/N:TTF00565-UP
S/N:TTG00330-UP
S/N:TTJ00478-UP
S/N:WPN01659-UP
S/N:WPP01568-UP
S/N:WPR01630-UP
S/N:WPS00229-UP
S/N:WPT01576-UP
S/N:WPW02940-UP
S/N:YAK00911-UP
S/N:YAP00653-UP
S/N:YAS00556-UP
S/N:YAT00963-UP
S/N:ZAD92017-UP
S/N:ZAF00807-UP
S/N:ZAH91004-UP
S/N:ZAJ00302-UP
S/N:ZAL00494-UP
S/N:ZAP01625-UP
S/N:ZAR92008-UP
S/N:ZBA01474-UP
S/N:ZBB00408-UP
S/N:ZBC00262-UP