1687246 Pin-Piston Fits Caterpillar Models
1687246 Pin-Piston Fits Caterpillar Models
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One New Aftermarket Replacement Piston Pin for Caterpillar (Cat) 3406 Series and C-Series Diesel Engines
This aftermarket replacement piston pin (wrist pin) fits Caterpillar 3406, 3406B, 3406C, and 3406E inline six-cylinder diesel engines, as well as the C15, C16, C18, and 3456 engine families. The piston pin connects the piston to the connecting rod and is a critical component in engine rebuilds and overhaul kits for these high-horsepower Cat engines used in heavy construction, on-highway trucking, and industrial applications.
Specifications
- Pin Length: approx. 4.455 in. (113.16 mm)
- Pin Bore Diameter: approx. 2.165 in. (54.99 mm)
- Material: Steel
Compatible Models
Caterpillar Engine Series: 3406, 3406B, 3406C, 3406E, C15, C16, C18, 3456
Replaces Part Number(s):
1687246, 168-7246, 102-9796, 1029796, 524-5613, 5245613, 7E-1749, 7E1749
Aftermarket Interchange Numbers
Interstate-McBee: M-1687246, M-102-9796, M-7E1749 | PAI: 311004, 311004HP, 311003, 311003HP | Dana/Private Brand: 223-1846 | FP: FP-1687246, FP1687246, FP-1029796, FP1029796
New aftermarket replacement part - not remanufactured, not used.



