MAK M453 inlet valve seat P.N. 6.2151-003 installed Part Number 75.12093
MAK M453 exhaust valve seat P.N. 6.2151-004 installed Part Number 75.12096
MAK M453 exhaust valve cone P.N. 1.2210-1 installed Part Number 73.12082
MAK M453 In/Ex valve cone P.N. 1.2210-001 installed Part Number 73.12095
MAK M453 inlet valve guide P.N. 1.2123-101 installed Part Number 78.121
MAK M453 exhaust valve guide P.N. 1.2123-201 installed Part Number 78.12101