Piston for Cum mins QSK60 Diesel Engine for +1mm Bore Repair

• Alloy cast iron material, outstanding high‑temperature resistance and impact tolerance
• Matches cylinder bore after +1mm boring repair, must be assembled with +1mm oversize piston rings
• Precisely machined ring grooves, perfect fit for matched oversize piston rings
• Anti‑thermal‑deformation property, stable performance under continuous heavy‑load mining working
• Good wear resistance, extend engine service life after overhaul

This piston 4089411 fits Cumm ins QSK60 diesel engine. It is applied when cylinder liner bore is bored to +1mm repair size during engine overhaul. It bears high combustion pressure and converts thermal energy into mechanical power, widely applied on large‑scale mining machinery and heavy industrial equipment. Must pair with +1mm oversize piston rings.

We supply parts for Kubota, Cum mins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vo lvo, 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: What engine does this piston fit?

A: It fits Cum mins QSK60 diesel engine, used for +1mm bored cylinder liner overhaul repair.

Q2: What parts need to match together?

A: Must use +1mm oversize piston rings, standard piston pin and snap rings.

Q3: Installation requirement?

A: Assemble with matched oversize piston rings, piston pin and snap rings, professional engine shop assembly is strongly recommended.