Description
Protect Your Cooling System: 4089367 QSK23 Oil Cooler Gasket Kit
Product Specifications
| Specification | Details |
| Product Name | Oil Cooler Gasket Kit / Oil Cooler Seal Set |
| OEM Part Number | 4089367 |
| Engine Compatibility | Cummins QSK23 (Industrial / Mining / Marine) |
| Brand | VPGASKET |
| Primary Materials | High-Temperature Viton, Reinforced Elastomers, Precision O-Rings |
| Application | Heavy-Duty Mining Trucks, Marine Engines, Power Generation |
| Condition | 100% Brand New Premium Aftermarket Replacement |
Industrial-Grade Sealing for the QSK23 Powerhouse
The Cummins QSK23 is a 23-liter industrial giant designed for continuous operation in some of the harshest conditions on Earth. In these high-horsepower applications, the oil cooler is vital for maintaining engine health. A failure in the oil cooler seals can lead to the catastrophic mixing of engine oil and coolant, resulting in reduced lubrication efficiency and potentially engine seizure. The 4089367 oil cooler gasket kit is engineered as a high-integrity solution to prevent these failures. Utilizing advanced thermal-resistant materials, these gaskets maintain their sealing force even under the extreme pressure and temperature cycles common in mining and marine operations.
Complete Oil Cooler Restoration Components
Executing a professional oil cooler service on a large-displacement engine requires a comprehensive set of seals. The 4089367 kit from VPGASKET provides every essential component to ensure a “first-time-right” installation:
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High-Temp Oil Cooler Core Gaskets: Specifically formulated to resist chemical degradation from both modern synthetic oils and aggressive long-life coolants.
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Precision-Molded Viton O-Rings: High-density seals for the oil and coolant transfer ports that maintain elasticity despite constant thermal fluctuations.
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Housing-to-Block Seals: Reinforced gaskets designed to accommodate micro-vibrations and prevent external fluid weeping.
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Mounting Hardware Washers: Critical secondary seals to ensure the entire assembly remains pressurized and leak-free.
Engineered for Maximum Uptime and Reliability
In the world of heavy industrial equipment, unplanned downtime is a major financial drain. The 4089367 overhaul set is manufactured to match or exceed original equipment durability standards. Our materials are rigorously tested to ensure they do not become brittle or shrink over time. By choosing VPGASKET, you are investing in a factory-perfect fit that reduces labor time and eliminates the risk of “comeback” repairs, keeping your QSK23-powered fleet productive and profitable.
Professional Installation Insights
To ensure the 4089367 oil cooler gasket kit performs at its peak, technicians should prioritize the following assembly standards:
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Surface Integrity: Before installation, meticulously clean the oil cooler housing and engine block mounting surfaces. Use a precision straight-edge to check for any warpage that could compromise the seal.
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O-Ring Care: Lightly lubricate all O-rings with clean engine oil or a dedicated assembly lube before seating them. This prevents “pinching” or tearing during the installation of the cooler core.
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Torque Accuracy: Follow the Cummins QSK23 service manual for the exact bolt tightening sequence and torque values. Uneven pressure on the cooler housing can lead to localized stress and premature gasket failure.
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Flushing the System: If the previous gaskets failed and allowed fluid mixing, ensure the entire cooling and lubrication systems are thoroughly flushed before restarting the engine to prevent damage to the new seals and internal bearings.





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