Generator part engine valve for Komatsu 6D125 Generator set, Construction machinery Products Description Model Description Part number Material Size() Surface Characteristic Application Power-kw Guarantee D X d L 6D125 INTAKE 6150-41-4111 21-4N+4Cr9Si2 45 60 9 170 chroming strengthen Generator set, Construction machinery 120~200 100 000 km or 1 year EXHAUST   6150-41-4210 21-4N+4Cr9Si2 44 45 9 170.7 chroming R strengthen Engine valve is the executive part of engine timing control of internal combustion engine, and it is the important parts which guarantee power performance, economic performance, reliability and durability of engine. Our Products Strength: 1. High quality special valve bar material: 4Cr9Si2, 4Cr10Si2Mo, 21-4N, X60, X80, INCONEL751,21-4NWNb. 2.  Strict control process: CNC processing line, network continuous furnace for heat treatment,welding of double matels, valve seat welding(STELI), U type quenching, chrome plating and soft nitriding on valve surface, 100% flaw detection for finish products. 3.  Quality certificate:  ISO9001, IATF16949 4.  Fast delivery capability:  for batch order, within 30 days 5.  Perfect service system:  professional engineer for solving variours problem in use. FAQ: What is your terms of packing? Generally, we pack our goods in neutral brown boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters. We are professional engine valve maker Huacheng Automobile Accessories dedicated to produce Internal Combustion Engine Parts, Valve System, Piston, Timing Control, Timing Gear.