1979372 Retainer-Pin Fits Caterpillar Models
1979372 Retainer-Pin Fits Caterpillar Models
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One New Aftermarket Replacement Piston Pin Retainer for Caterpillar (Cat) C7 Engine-Powered Equipment
This piston pin retainer (also known as a wrist pin retainer or snap ring) secures the piston pin within the piston bore, preventing lateral movement and keeping the connecting rod assembly properly aligned in the Caterpillar C7 engine. It is an internal-type retainer used in the piston and rod group during engine overhaul and rebuild procedures. Sold individually; two retainers are required per cylinder.
Specifications
- Type: Internal piston pin retainer
- Outer Diameter: 47.5 mm
- Weight: 0.01 lbs
Compatible Models
Caterpillar (Cat) Motor Graders: 12M, 140G, 140K, 140K 2, 140M, 160K
Caterpillar (Cat) Excavators: 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 328D LCR, 329D, 329D L, 329D LN
Caterpillar (Cat) Forestry / Feller Bunchers / Forwarders: 525C, 535C, 545C, 573, 584
Caterpillar (Cat) Compactors / Soil Compactors: 815B
Caterpillar (Cat) Wheel Loaders: 950H, 962H
Caterpillar (Cat) Paving Equipment: AP-1055D, BG-2455D, BG-260D
Caterpillar (Cat) Engines (industrial / machine-powered): C7, C9.3
Caterpillar (Cat) Cold Planers: PM102
Caterpillar (Cat) Vibratory Compactors: CB534D, CB534D XW
Caterpillar (Cat) Integrated Toolcarriers: IT62H
Replaces Part Number(s):
1979372, 197-9372
New aftermarket replacement part - not remanufactured, not used.



