Valve Seat Insert 145701 128992 for Cummi ns NT855 Diesel Engine

Product Name:

Valve Seat Insert

Part Number:

145701(Intake), 128992(Exhaust)

Fit Engine:

Cumm ins NT855

Condition:

100% Brand New, direct‑fit replacement

• 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

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.

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.

• 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