SEAL-O-RING 7M8485 - Caterpillar

Engine:
3406B (S/N: 6TB1-UP; 2WB1-UP; 4TB1-UP)
3408 (S/N: 99U1-UP; 67U1-UP; 78Z1-UP)
3408C (S/N: TAM1-UP)
3412 (S/N: 60M1-UP; 2WJ1-UP; 38S1-UP; 81Z1-UP)
3412C (S/N: BAK1-UP; PTL1-UP; RLR1-UP; 8AR1-UP; BAX1-UP)
3412E (S/N: 4CR1-UP; 9KS1-UP; BDT1-UP; BFT1-UP; 9PW1-UP)
3508 (S/N: 1ZF1-UP; 8TL1-UP; 3HM1-UP; 5XM1-UP; 9WN1-UP; 3LS1-UP; 3PS1-UP; 95Y1-UP; 96Y1-UP; 23Z1-UP; 68Z1-UP; 69Z1-UP; 70Z1-UP; CTF1-UP; 1JZ1-UP)
3508B (S/N: S2A1-UP; CBB1-UP; S2B1-UP; S2D1-UP; S2E1-UP; S2F1-UP; BAG1-UP; 2BM1-UP; 3DM1-UP; 4GM1-UP; 7SM1-UP; 6PN1-UP; 1TW1-UP; 2HW1-UP; 3DW1-UP; BPX1-UP; CTC1-UP; 1FZ1-UP)
3512 (S/N: 3YF1-UP; 6PM1-UP; 3MS1-UP; 3RS1-UP; 3WS1-UP; 49Y1-UP; 50Y1-UP; 24Z1-UP; 65Z1-UP; 66Z1-UP; 67Z1-UP; CTE1-UP; 1KZ1-UP)
3512B (S/N: BRC1-UP; AAG1-UP; FFG1-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; 4AW1-UP; 5AW1-UP; 2EZ1-UP; CTB1-UP; CTH1-UP; 1GZ1-UP)
3516 (S/N: 4XF1-UP; 4MJ1-UP; 5SJ1-UP; 7KM1-UP; 2TS1-UP; 3JS1-UP; 3NS1-UP; 3SS1-UP; 3XS1-UP; 25Z1-UP; 27Z1-UP; 29Z1-UP; 71Z1-UP; 72Z1-UP; 73Z1-UP; CTD1-UP; 1LZ1-UP)
3516B (S/N: CDE1-UP; TAK1-UP; CAN1-UP; CBN1-UP; 6HN1-UP; 7RN1-UP; 8CN1-UP; 8KN1-UP; 9AN1-UP; S2P1-UP; S2R1-UP; S2S1-UP; S2T1-UP; S2W1-UP; 1NW1-UP; 2FW1-UP; 2JW1-UP; 3CW1-UP; 4BW1-UP; S2X1-UP; S2Y1-UP; CTA1-UP; CTG1-UP; CTJ1-UP; 1HZ1-UP)
D13000 (S/N: 09J1-UP)
D17000 (S/N: 05E1-UP; 02V1-UP)
D17000 NA (S/N: 08V1-UP)
D315 NA (S/N: 07S1-UP)
D318 NA (S/N: 03V1-UP)
D337 NA (S/N: 22B1-UP)
D337 (S/N: 23B1-UP)
D3400 NA (S/N: 03R1-UP; 01T1-UP)
D346 (S/N: 39J1-UP; 40J1-UP)
D348 (S/N: 36J1-UP; 38J1-UP)
D349 (S/N: 61P1-UP; 62P1-UP)
D353 (S/N: 77B1-UP)
D353C (S/N: 46B1-UP; 47B1-UP)
D364 (S/N: 20B1-UP)
D375 (S/N: 17B1-UP)
D375D (S/N: 44B1-UP)
D379 (S/N: 68B1-UP; 76B1-UP; 69B1-UP)
D379B (S/N: 34Z1-UP)
D386 (S/N: 15B1-UP)
D397 (S/N: 10B1-UP; 12B1-UP)
D397D (S/N: 42B1-UP)
D398 (S/N: 66B1-UP; 75B1-UP; 67B1-UP)
D398B (S/N: 35Z1-UP)
D399 (S/N: 35B1-UP; 91B1-UP; 36Z1-UP)
D8800 (S/N: 02S1-UP; 06S1-UP)
G3508 (S/N: 4WD1-UP; 2JF1-UP; 9TG1-UP; CTN1-UP)
G3512 (S/N: 4KC1-UP; 5JD1-UP; 7NJ1-UP; 6JW1-UP; CTM1-UP)
G3516 (S/N: 3RC1-UP; 8LD1-UP; 4EK1-UP; 8PW1-UP; CTL1-UP)
G3516B (S/N: CTW1-UP)
G3520B (S/N: CWD1-UP)
G379 (S/N: 72B1-UP)
G398 (S/N: 73B1-UP)
G399 (S/N: 49C1-UP)
D3400 (S/N: 03S1-UP)
Engine News, SEBD9334, June 2004, "A New Screen is Used in the 1L-2073 Pressure Reducing Valve ". Disregard this article. The correct information follows.Description of Change:
Illustration 1 g01064393
A new screen is used in the pressure reducing valve. Adaptable To: New 252-9298 Strainer Screen (1) has a finer mesh that will prevent smaller debris from damaging the 1L-2073 Pressure Reducing Valve .Before installation, the air supply lines to the valve must be thoroughly cleaned in order to remove any foreign material.The 1L-2073 Pressure Reducing Valve is serviceable. The new 252-9298 Strainer Screen is also serviceable. The 252-9298 Strainer Screen replaces the previous 1H-9577 Strainer Screen .Refer to the Application and Installation guideline for installation instructions for your equipment.Refer to Table 1 for effective serial numbers.
Table 1
Effective Serial Numbers    
S/N:4MJ00178     S/N:3RC01258     S/N:3PS00197     S/N:CBB00217     S/N:1JZ00719    
S/N:3CW00258     S/N:2WJ08253     S/N:3RS00340     S/N:CBN00331     S/N:1KZ01539    
S/N:8TL00011     S/N:5SJ00736     S/N:3SS00324     S/N:CDE00313     S/N:1LZ00615    
S/N:60M11065     S/N:4WD00034     S/N:3WS00334     S/N:BRN00196     S/N:CTC00256    
S/N:78Z08086     S/N:5JD00105     S/N:3XS00408     S/N:S2B00109     S/N:CTB00190    
S/N:81Z27732     S/N:8LD00135     S/N:3LS00228     S/N:S2D00105     S/N:CTA00153    
S/N:BDT03431     S/N:9TG00380     S/N:3MS00233     S/N:S2E00143     S/N:CTG00300    
S/N:67U21166     S/N:7NJ01048     S/N:3NS00246     S/N:S2F00102     S/N:CTH00287    
S/N:99U12284     S/N:4EK04065     S/N:5AW00137     S/N:S2J00121     S/N:CTD00215    
S/N:38S23267     S/N:5XM00032     S/N:2EZ00358     S/N:S2K00106     S/N:CTE00363    
S/N:95Y01233     S/N:6PM00053     S/N:4BW00573     S/N:S2L00149     S/N:CTF00264    
S/N:96Y02073     S/N:7KM00077     S/N:3DW00179     S/N:S2M00104     S/N:CTN00208    
S/N:49Y01050     S/N:7SM00990     S/N:1PW00441     S/N:S2N00105