Heavy Duty Cast Iron Engine Cylinder Head Assy 4313888 For Cummins QSK45 QSK60

The 4313888 Engine Cylinder Head Assy is aftermarket heavy‑duty replacement built for Cummins QSK45 and QSK60 large‑bore diesel engines. This Engine Cylinder Head acts as a key upper engine assembly responsible for air intake, exhaust and heat dissipation. It is widely used for overhaul and repair of mining machinery, marine engines and large generator sets when original unit suffers crack, leakage or valve seat damage.

Stand-out Product Merits

1.Heavy‑duty cast‑iron material, anti‑crack performance for continuous heavy‑load operation

2. Complete pre‑assembled Engine Cylinder Head with valves, springs and related internal fittings

3. 100% hydraulic leak test implemented to eliminate water and oil leakage risks

4. Precision‑machined sealing surfaces for stable combustion chamber performance

5. OE reference number 4313888, direct fit for Cummins QSK45 and QSK60 diesel engines

6.Suited for mining trucks, marine propulsion engines, large generator set overhaul jobs
 

Real‑world Usage & Target Customers

This Engine Cylinder Head fits Cummins QSK45 and QSK60 series diesel engines.
Common application scenarios include full engine overhaul, cracked cylinder head replacement, marine power unit maintenance, mining machinery repair and generator rebuild.
 

It serves heavy‑equipment repair workshops, international machinery spare‑part wholesalers and large‑scale industrial overhaul teams.
Important buying note: Always double‑check your original part number and exact engine model before submitting orders to avoid part mismatch. It is suggested to inspect gaskets and internal wearing parts while installing this Engine Cylinder Head.

Trouble‑Shooting Guidance

You need to purchase a new Engine Cylinder Head when you encounter these typical failure symptoms: persistent engine overheating, coolant mixing with lubricating oil, external water leakage, low cylinder compression, obvious cracks on cylinder‑head surface and unstable engine output.