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1W5321 Insert-Valve Exh Fits Caterpillar Models

1W5321 Insert-Valve Exh Fits Caterpillar Models

Regular price $38.00 AUD
Regular price Sale price $38.00 AUD
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One New Aftermarket Replacement Exhaust Valve Seat Insert for Caterpillar (Cat) Engines

This aftermarket replacement exhaust valve seat insert (1W5321) fits the cylinder head of Caterpillar D330 and D333 series diesel engines. The exhaust valve seat insert seats against the exhaust valve to form a tight, heat-resistant seal, helping maintain proper compression and combustion efficiency. It is a pressed-fit component installed in the cylinder head during engine rebuilds and top-end overhauls.

Compatible Models

Caterpillar Engine Series: D330, D330A, D330B, D330C, D333, D333A, D333B, D333C

Replaces Part Number(s):

1W5321, 1W-5321

New aftermarket replacement part - not remanufactured, not used.

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