2128474 Insert Int Fits Caterpillar Models
2128474 Insert Int Fits Caterpillar Models
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One New Aftermarket Replacement Exhaust Valve Insert for Caterpillar (Cat) Diesel Engines
This aftermarket replacement exhaust valve insert, also known as a valve seat insert, creates a hardened seating surface in the cylinder head for the exhaust valve to close against. By absorbing and dissipating heat and maintaining a precise seal under the extreme pressures and temperatures of diesel combustion, the insert helps prevent seat recession, reduces cylinder head wear, and supports consistent engine performance. Valve seat inserts are typically replaced during major engine overhauls or when compression loss, unusual engine noise, or visible seat wear is detected.
Compatible Models
Caterpillar: Fits Caterpillar diesel engine applications - confirm fitment against your engine serial number and arrangement number before ordering.
Replaces Part Number(s):
2128474
Aftermarket Interchange Numbers
M2128474 (Interstate McBee)
New aftermarket replacement part - not remanufactured, not used.
