Cylinder Liner 4309331 for Cum mins QST30 Diesel Engine

Product Name:

Engine Cylinder Liner

Part Number:

4309331

Fit Engine:

Cumm ins QST30

Condition:

100% Brand New, direct‑fit replacement

Material:

High‑alloy cast iron

• High‑alloy cast iron material, outstanding wear‑resistance and thermal stability
• Precision inner bore machining, good running‑in performance with piston and piston rings
• High‑strength structural design, resist deformation under high temperature and high pressure
• Excellent heat dissipation performance, adapt to heavy‑load working conditions
• Direct‑fit replacement for engine overhaul of mining and construction equipment

This cylinder liner 4309331 is manufactured for Cumm ins QST30 diesel engine. It forms the combustion chamber together with piston, piston rings and cylinder head, bears friction from piston assembly. Widely used for large mining machinery and heavy‑duty industrial equipment repair.

We supply parts for Kubota, Cum mins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, V olvo, Deutz, Doosan, Daewoo, John De ere, 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 cylinder liner fit?

A: Fits Cum mins QST30 diesel engine.

Q2: What problems will occur when cylinder liner wears seriously?

A: Engine oil consumption increase, blue smoke emission, insufficient cylinder compression power.

Q3: Installation suggestion?

A: Keep parts clean before installation, adopt professional press‑in process, follow engine service manual.

• Cummi ns QST30, QSK60, K50, QSK19, K38, NT855
• CAT C15, C13, 3406E, C9, 3306, 329D
• Komatsu 6D170, 6D125, 4D95, 6D140, 4D102, 6D107
• Deutz BF8M1015, BF6M1013, BF4M2012, BF6M2012, BF4M1013, BF4M1012
• Yanmar 3TNV72, 4TNV88, 2TNE68, 3TNE74, 4TNV84, 3TNV76