DISC ASSEM. 2P4371 - Caterpillar

Engine3116 (S/N: 7JL1-UP; CSM1-UP)3126 (S/N: 1ZJ1-UP; CKK1-UP; 6MK1-UP; 9ZR1-UP)3126B (S/N: BEJ1-UP; 1AJ1-UP; DCS1-UP)C-9 (S/N: CLJ1-UP)C7 (S/N: JRA1-UP; JTF1-UP; TEF1-UP; C7S1-UP; C7T1-UP; WAX1-UP; PGZ1-UP)C9 (S/N: 9DG1-UP)Marine Engine3126B MARINE (S/N: 3GS1-UP)C7 MARINE (S/N: M7A1-UP; C7B1-UP; C7D1-UP; M7G1-UP; C7X1-UP; C7Z1-UP)Petroleum Engine3126B PETROLEUM (S/N: Z2A1-UP)C7 PETROLEUM (S/N: K2A1-UP; P7L1-UP; C7P1-UP)Truck Engines3126E (S/N: G3E1-UP; CRP1-UP; 9SZ1-UP)C7 TRUCK ENGINE (S/N: LBM1-UP)C7 TRUCK/BUS (S/N: YPG1-UP)Vibratory Soil CompactorCS74 (S/N: CZJ1-UP)Description Of Change: The new oil pump that is used contains a new bearing to prevent failure and engine oil contamination.Adaptable To: The new 496-4800 Engine Oil Pump Gp is a direct replacement for the previous 189-8777 Engine Oil Pump Gp. Table 1 contains the effective serial numbers for this change.
Table 1
Effective Serial Numbers
S/N:7JL06525-UP
S/N:CSM00747-UP
S/N:1ZJ04818-UP
S/N:6MK02318-UP
S/N:9ZR04873-UP
S/N:CKK00457-UP
S/N:1AJ01029-UP
S/N:3GS02254-UP
S/N:BEJ16248-UP
S/N:DCS03124-UP
S/N:Z2A00111-UP
S/N:9SZ78002-UP
S/N:CRP00869-UP
S/N:G3E04608-UP
S/N:C7B00399-UP
S/N:C7D03029-UP
S/N:C7P00314-UP
S/N:C7S10000-UP
S/N:C7T00226-UP
S/N:C7X03010-UP
S/N:C7Z00430-UP
S/N:JRA02061-UP
S/N:JTF23673-UP
S/N:K2A00102-UP
S/N:LBM00845-UP
S/N:M7A01049-UP
S/N:M7G01071-UP
S/N:P7L00136-UP
S/N:PGZ00162-UP
S/N:TEF00649-UP
S/N:WAX80950-UP
S/N:YPG00263-UP
S/N:CZJ00117-UP
S/N:9DG10939-UP
S/N:CLJ80002-UP