1577129 Valve-Intake Fits Caterpillar Models
1577129 Valve-Intake Fits Caterpillar Models
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One New Aftermarket Replacement Intake Valve for Caterpillar (Cat) 3126 Engines
This aftermarket replacement intake valve fits the Caterpillar (Cat) 3126 inline six-cylinder diesel engine. The intake valve seats in the cylinder head and controls airflow into the combustion chamber during the intake stroke, playing a critical role in engine efficiency and compression integrity. This is a direct replacement for worn or damaged OEM intake valves in 3126-powered equipment and on-highway applications.
Specifications
- Engine: Caterpillar 3126 inline 6-cylinder diesel
- Valve Type: Intake
- Valves per Cylinder: 2
- Intake Valve Head Diameter: 47.00 +/- 0.13 mm (1.850 +/- 0.005 in)
- Intake Valve Face Angle: 29-3/4 +/- 1/4 degrees
- Intake Valve Lash Setting: 0.38 mm (0.015 in)
Compatible Models
Caterpillar 3126 Engine Applications - Construction equipment, motor graders, wheel loaders, excavators, asphalt pavers, and on-highway trucks powered by the Caterpillar 3126 diesel engine. The 3126 engine was also used in Caterpillar-powered agricultural and marine applications.
Replaces Part Number(s):
1577129
New aftermarket replacement part - not remanufactured, not used.



