Cummins K19/K38/K50/V28

Cummins valve seat insert is a core wear‑resistant component installed inside cylinder head, providing sealing contact surface for intake & exhaust valves. Under high‑temperature combustion environment, it bears repeated impact from valve head, keeps tight valve sealing, maintains cylinder compression ratio, prevents air leakage, power drop and excessive exhaust smoke.

This is the cummins valve seat we are producing.

Brand new Cummins valve seat insert. OE 3904105,3017759,3086192,3086193 for 4BT 6BT NT855 K19 K38 K50 diesel engine cylinder‑head overhaul.

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