END-YOKE ROD 8T4742 - Caterpillar

Engine: 1673C (S/N: 69D1-UP; 76R1-UP) 3304 (S/N: 02B1-UP; 04B1-UP; 05B1-UP; 4XB1-UP; 6YB1-UP; 3TC1-UP; 4PC1-UP; 10E1-UP; 13E1-UP; 83Z1-UP) 3304B (S/N: DED1-UP; 1YF1-UP; 2KK1-UP; 9HK1-UP; 8XL1-UP; 1NS1-UP; 1PS1-UP) 3306 (S/N: 4WB1-UP; 7HB1-UP; 2ZC1-UP; 23C1-UP; 5JC1-UP; 66D1-UP; 67D1-UP; 68D1-UP; 7KF1-UP; 76R1-UP; 64Z1-UP; 84Z1-UP; 85Z1-UP) 3306B (S/N: EFA1-UP; 7JB1-UP; B8D1-UP; 5KD1-UP; 1DG1-UP; 3RG1-UP; 2AJ1-UP; 8JJ1-UP; 9SL1-UP; 1BM1-UP; 2TM1-UP; 9NR1-UP; 1RS1-UP; 8NS1-UP; 9DS1-UP; LRW1-UP; 5GZ1-UP; 63Z1-UP; 1CZ1-UP) 3306C (S/N: 7RJ1-UP; 9TL1-UP; 3KS1-UP; 2AZ1-UP) D330C (S/N: 02B1-UP; 04B1-UP; 05B1-UP) D333C (S/N: 23C1-UP; 66D1-UP; 67D1-UP) G3304 (S/N: N4F1-UP; 1RG1-UP; 37Y1-UP) G3304B (S/N: A4E1-UP) G3306 (S/N: JCA1-UP; 3CF1-UP; 4DL1-UP; CNR1-UP; G6X1-UP; 07Y1-UP) G3306B (S/N: R6S1-UP) G333C (S/N: 68D1-UP)Engine: 3304 (S/N: 78P1-UP)Engine: 3304 (S/N: H4G1-UP)Engine: 3306 (S/N: 03N1-UP) 3306 (S/N: R6J1-UP; 62Z1-UP) D342 Veh Eng (S/N: 17S1-UP)Engine: 3304 (S/N: 07Z1-UP) 3306 (S/N: 08Z1-UP)Introduction
The problem that is identified now has a known permanent solution. Components to perform repairs are limited at this time. Review the solution below for further details. Problem
Caterpillar is aware of recent failures of the 8N-1721 Connecting Rod and the 8N-1984 Connecting Rod on certain diesel and gas applications of 3300 engines. Primary failure mode is a ventilated cylinder block due