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![7W-2221 [RING]](https://deshpower.com.bd/wp-content/uploads/2026/06/7W-2221-1-500x356.jpg "7W-2221")
7W-2221 [RING]
The 7W-2221 is a 170 mm oil-regulating piston ring used in Caterpillar 3500-series diesel and gas engines. It controls lubricating oil on the cylinder liner, reduces oil consumption, and helps maintain proper piston sealing.
The 7W-2221 is a 170 mm oil-regulating piston ring used in Caterpillar 3500-series diesel and gas engines. It controls lubricating oil on the cylinder liner, reduces oil consumption, and helps maintain proper piston sealing.
Specifications:
- Ring Type: Oil Control Ring
- Bore Size: 170 mm
- Material: Gray (Flake) Iron
- Ring Thickness: Approximately 5.0 mm
Common Engine Applications:
- CAT 3508
- CAT 3512
- CAT 3516
- G3508
- G3512
- G3516
- G3520B
- G3520E
- PMG3516 Power Module