The DS-4P-1806 oil control piston ring can be used in the following Caterpillar engine models:
- 3114
- Industrial with an engine serial number of 4KR1 and above
- Machine with an engine serial number of:
- 2FG6229 and above
- 2ZF1 and above
- 4RR1 and above
- 97Z2163 and above
- Truck with an engine serial number of 5YL1 and above or 9LN6958 and above
- 3116
- Industrial with an engine serial number of 2MR1 and above
- Machine with an engine serial number of:
- 4TF1 and above
- 6RR1 and above
- 98Z1 and above
- Truck with an engine serial number of:
- 2BK1 and above
- 2CW1 and above
- 2FR1 and above
- 3RJ1 and above
- 5JZ1 and above
- 5RM1 and above
- 7AG1 and above
- 7HS1 and above
- 7JL1 and above
- 8WL1 and above
- 9GK1 and above
- 9LN1 and above
- 9YN1 and above
- CSM1 and above
