Description
Short & Direct4089360 Upper Gasket Set – Cummins QSK23 Engine
The Cummins 4089360 Upper Engine Gasket Set (upper overhaul kit / upper head gasket set) is a genuine OEM complete sealing solution for the upper section of Cummins heavy-duty diesel engines. It includes cylinder head gasket, intake/exhaust manifold gaskets, valve cover gasket, turbocharger gaskets, O-rings, and all essential upper seals. Prevents oil, coolant, and compression leaks during top-end repairs or cylinder head service. Constructed from premium multi-layer steel, graphite, and high-performance composites for exceptional durability under extreme heat and pressure in industrial/marine/heavy equipment.
Compatible Engines & Applications
- Cummins QSK Series: QSK23 (23L heavy-duty, industrial/marine/power gen)
- Common Applications: Mining equipment, large generators, marine vessels, heavy construction machinery, locomotives, and industrial power systems powered by Cummins QSK23 engines
Key Specifications
| Specification | Details |
|---|---|
| Part Number | 4089360 |
| Type | Upper Engine Gasket Set |
| Gross Weight | Approx. 4–6 kg |
| Material | Multi-layer steel, graphite, composites |
| Warranty | 6–12 months |
| Origin | Genuine Cummins OEM |
Benefits & Features
- Complete upper sealing package – one kit for efficient top-end service
- Superior leak prevention and extreme durability in heavy-duty environments
- Direct OEM replacement, professional installation typically 90–180 minutes
- Ideal for fleets, mining, marine, and power gen workshops
- Genuine stock available with fast worldwide shipping
Installation Tips
- Thoroughly clean mating surfaces (cylinder head, manifolds, etc.)
- Follow Cummins torque sequence and specifications
- Replace head bolts if required; refresh coolant/oil/filter
- Perform leak test and monitor after initial run
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