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High‑hardness heat‑resistant alloy material, anti‑ablation under high‑temperature exhaust environment
Precision inner and outer diameter processing, perfect press‑fit performance
Good wear‑resistance, keep tight sealing matching with engine valve
Reduce seat deformation, extend overhaul cycle of cylinder head
Product Description
These valve seat inserts 145701,128992 are key wear parts for Cumm ins NT855 diesel engine cylinder head. They work together with intake and exhaust valves to realize cylinder sealing. Widely used on heavy‑duty trucks, generator sets and construction machinery for engine overhaul repair.
We supply parts for Kubota, Cum mins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vo lvo, Deutz, Doosan, Daewoo, John Dee re, Scania, Hyundai, JCB etc.
Shipping: Sea freight, air freight and international express are all available.
Tax Notice: All import duties and local destination taxes shall be borne by the buyer. Please verify local customs regulations in advance.
FAQ
Q1: Which engine does this valve seat insert fit?
A: Fits Cumm ins NT855 diesel engine for cylinder head repair.
Q2: What are the failure signs of worn valve seat?
A: Low cylinder compression, engine power drop, burning valve and abnormal exhaust smoke.
Q3: Is pressing installation required?
A: Yes, professional press‑in installation is recommended for best using performance.
Manufacturer Supported Models
Cum mins NT855, K19, K38, M11, 6BT5.9, 6CT8.3, QSK19
Komatsu 6D102,6D125,6D140,4D95,4D107,6D170
CAT C7,C9,C13,C15,3306,3406E,325D
Yanmar 2TNE68,3TNE74,3TNV72,4TNV84,4TNV88
Isuzu 4HK1,6HK1,6BG1,4BD1,4JG1,4LE2
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Ecer Certification：
Verified Supplier
Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu... Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu...
