1456857 Valve-Exh Fits Caterpillar Models
1456857 Valve-Exh Fits Caterpillar Models
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One New Aftermarket Replacement Exhaust Valve for Caterpillar (Cat) 3054 / 3056 Engines
This cylinder head exhaust valve is a direct aftermarket replacement for Caterpillar part number 145-6857 (1456857), designed for use in Caterpillar 3054 and 3056 series diesel engines. These 4-cylinder engines power a wide range of Cat backhoe loaders, wheel loaders, and industrial equipment. The valve features a 30-degree seat angle and is a precision-fit component in the cylinder head valve train assembly.
Specifications
- Valve Type: Exhaust
- Seat Angle: 30 Degree
- Overall Length: 4.843 in.
- Head Diameter: 1.616 in.
Compatible Models
Caterpillar Engines: 3054, 3054T, 3054B, 3054C/E, 3056, 3056E
Caterpillar Backhoe Loaders (3054 / 3056 Engine): 416C, 416D, 420D, 426C, 428C, 428D, 430D, 432D
Caterpillar Wheel Loaders (3054 Engine): 914G, IT4G
Caterpillar Excavators: 312BL
Note: This valve also fits Caterpillar 3054 and 3056 engine-powered industrial and generator set configurations. Verify engine serial number and model variant before ordering.
Replaces Part Number(s):
1456857, 145-6857
Aftermarket Interchange Numbers
Perkins 3142D051, 4222147M91 (Massey Ferguson / AGCO)
New aftermarket replacement part - not remanufactured, not used.



