PUMP GP-MAIN HYDRAULIC 4884575 - Caterpillar

For 3114 engines the new CCS top piston rings were effective with 5EF1142. For 3116 engines with 1-piece pistons the new CCS top piston rings were effective with the following engine serial numbers: 2WG6351, 2MR0511, 4PG4421, and 5EN1064. For 3116 engines with 2-piece pistons, the new CCS top piston rings were effective with the following engine serial numbers: 2WG6299, 2MR0354, 4PG3710, 5EN0706.
The 3114 (5JG, 6AF) and 3116 (1NJ, 2SG) generator set engines as well as the 3114 (1ZG) industrial engines were no longer in production when the new CCS top piston rings became effective. However, the new CCS top piston rings are adaptable to all these engines.
Order the new (CCS) top piston rings as shown in the chart for these engines.