1979299 Ring-Piston Top Fits Caterpillar Models
1979299 Ring-Piston Top Fits Caterpillar Models
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One New Aftermarket Replacement Top Piston Ring for Caterpillar (Cat) C9 Diesel Engines
This top compression piston ring is a direct aftermarket replacement for the Caterpillar (Cat) C9 diesel engine. The top ring seals combustion gases, maintains cylinder compression, and controls oil consumption -- critical functions during engine overhaul or rebuild. Cat part number 197-9299 (also formatted as 1979299) is a 112mm gauge diameter top piston ring used in C9-powered construction equipment.
Specifications
- Ring Position: Top (compression) ring
- Gauge Diameter: 112mm
- Engine: Caterpillar C9 diesel
- Size: Standard
Compatible Models
Caterpillar Excavators (C9 Engine): 330C, 330C L, 330C LN, 330D, E330C, E330D, E336D
Note: This is a top ring for the C9 engine. Verify your machine's engine model before ordering. This ring is sold individually; a full ring set requires one ring per cylinder (6 cylinders on the C9).
Replaces Part Number(s):
1979299, 197-9299
Aftermarket Interchange Numbers
161-3425, 168-7209, 347-2382
New aftermarket replacement part - not remanufactured, not used.



