Description
Maximize Forced Induction Efficiency with the 4089710 Intercooler Seal
The aftermarket intercooler gasket kit matching OEM 4089710 is strictly engineered to manage the extreme airflow demands of the 78-liter QSK78 architecture. When operating heavy-duty V18 engines in continuous-duty applications, preventing intake pressure loss at the intercooler interface is critical for maintaining fuel economy and peak horsepower. This comprehensive sealing solution stops high-velocity boost leaks and thoroughly protects the intake system against structural thermal degradation.
Advanced Thermal and Pressure Containment Parameters
Manufactured from high-recovery composite materials and multi-layer steel assemblies, the 4089710 replacement kit absorbs mechanical flange deflections induced by extreme loads. It is rigorously calibrated to endure violent thermal cycling without losing clamping force or structural integrity.
| Engineering Parameter | Specification Value |
| Exact Replacement | 4089710 |
| Platform Compatibility | Cummins QSK78 (78L V18) |
| Core Architecture | Multi-Layer Steel (MLS) with FKM elastomer beads |
| Peak Pressure Tolerance | > 320 kPa (46.4 PSI) |
| Thermal Threshold | Accommodates -40°C to +220°C intake temperature variance |
| Primary Industry Focus | High-horsepower mining, commercial marine, and power plants |
By utilizing premium fluoroelastomers and precision-stamped metallic cores, this intercooler gasket configuration guarantees a permanent, airtight seal. It maximizes air density entering the combustion chambers, ensuring your industrial fleet operates at optimal thermal efficiency.










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