1W3062 Retainer Fits Caterpillar Models
1W3062 Retainer Fits Caterpillar Models
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One New Aftermarket Replacement Valve Spring Retainer for Caterpillar (Cat) D-Series and G-Series Engines
This aftermarket replacement valve spring retainer (1W3062 / 1W-3062) is a valvetrain component used in Caterpillar heavy-duty diesel and natural gas engines. The valve spring retainer locks the valve spring in place on the valve stem, maintaining proper spring tension and valve seating across the engine's operating range. It is designed for use in the D379, D398, D399, G379, G398, and G399 engine families used in industrial, marine, locomotive, and generator set applications.
Compatible Models
Caterpillar Diesel Engines (Industrial and Marine): D379, D379A, D379B, D398, D398A, D398B, D399
Caterpillar Natural Gas Engines: G379, G379A, G398, G399
Caterpillar Generator Set Engines: D379B, D398B, D399
Replaces Part Number(s):
1W3062, 1W-3062
Aftermarket Interchange Numbers
Interstate-McBee M-1W3062; also sold as CA1W3062
New aftermarket replacement part - not remanufactured, not used.



