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CUMMINS ENGINE

Home / Products / DONGFENG POWERTRAIN / CUMMINS ENGINE / Oil Cooler Core Gasket OE C5266445 for Cummins Engine Trucks

Oil Cooler Core Gasket OE C5266445 for Cummins Engine Trucks

This is a genuine oil cooler core gasket (OE:C5266445) specifically engineered for heavy-duty trucks equipped with Cummins engines, serving as the critical seal between the oil cooler core and engine block. It features multi-layer metal construction with heat-resistant coatings for exceptional durability and leak prevention. Constructed from high-grade materials with high-temperature resistant coatings, this gasket meets OEM quality standards. Third-party durability testing confirms it withstands engine heat, oil pressure, and continuous use, making it the ideal replacement to restore your truck’s oil cooling system integrity and reliability.

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PRODUCT DESCRIPTION

Multi-Layer Metal Construction & Heat-Resistant Coating

This oil cooler gasket OE C5266445 is manufactured to exact Cummins engine specifications, using multi-layer metal construction with heat-resistant coatings for exceptional durability and sealing performance. The gasket features precision-cut mounting holes and integrated sealing beads, ensuring a perfect fit and preventing oil leaks. Its optimized design maintains consistent pressure across the oil cooler core, while the high-temperature coating prevents degradation under engine heat. The 1:1 OEM design guarantees a seamless fit with the engine block, restoring factory oil cooling performance and efficiency.

Oil Leaks & Coolant Contamination

Truck operators often face issues with failing oil cooler gaskets, including leaks causing oil loss, contamination between oil and coolant systems, and pressure loss reducing cooling efficiency. A damaged gasket can lead to engine overheating, reduced lubrication, and costly engine damage. By choosing the genuine OE C5266445 gasket, you eliminate these problems, restoring a sealed, properly functioning environment for your oil cooler core.

OEM Quality & Rigorous Pressure Testing

As a critical engine component, this oil cooler gasket complies with strict OEM quality standards and has passed comprehensive pressure and heat resistance testing. Test data shows the multi-layer construction maintains structural integrity under extreme operating conditions, the heat-resistant coating prevents degradation, and all dimensions meet factory specifications for fit and compatibility. Each unit undergoes dimensional inspection before leaving the factory, guaranteeing exact alignment with your Cummins engine. Backed by OEM traceability codes, this product ensures 100% authenticity and reliable operation.

Genuine Supply & Direct Installation

We are an authorized supplier of genuine OEM Cummins engine components, providing oil cooler system parts to fleet operators, repair shops, and distributors worldwide. This oil cooler gasket OE C5266445 is supplied in protective packaging to prevent damage, ensuring it arrives ready for installation. Its direct-fit design allows for straightforward installation without custom modifications, reducing vehicle downtime. The durable multi-layer construction ensures long service life, minimizing future maintenance costs. We offer a 24-month quality warranty and dedicated technical support for installation guidance.

TECHNICAL SUPPORT

1. Accessories selection consultation

- Provide ** intelligent selection tools ** (such as parts matching query system), input the vehicle model VIN code or engine model to match the corresponding parts number, reducing the selection error rate.

The technical team is available online 7×12 hours to answer technical questions about accessories (such as material compatibility and installation processes).

2. Customized development support

We offer specialized R&D services for special market demands (such as heat dissipation accessories for high-temperature regions in the Middle East and dedicated suspension components for road conditions in Africa), and complete sample delivery within six weeks.

3. Training and Technical materials

Provide remote/on-site training for the customer's after-sales team (such as diagnosis of electrical control accessories and DPF regeneration operation), along with multilingual versions of the "Accessories Installation Manual" and "Troubleshooting Guide".

4. Quality Traceability and Improvement

Through the QR code traceability system (one product, one code), track the production batch of accessories and the source of raw materials, respond quickly to quality complaints and initiate improvement processes.

AFTER-SALES AND LOGISTICS SUPPORT

After-sales service

Quality Assurance Policy

-The warranty period for original factory parts is 12 months (counting from the date of signature for receipt), covering material defects, process issues, and man-made damage.

- Provide "Localized Express repair Service" : Cooperate with third-party repair networks in markets such as Southeast Asia and the Middle East, and deliver emergency parts to designated repair points within 4 hours.

Return and Exchange Process

-The customer is required to submit the test report (such as a third-party appraisal) within the warranty period. After confirmation by Dongfeng, a reissue or refund will be arranged within 5 working days.

Logistics support

Warehouse Layout

-Five major regional accessory centers have been established globally (Southeast Asia, the Middle East, Africa, South America, and Europe) to achieve "next-day delivery" for mainstream accessories (covering customers within the regions).

Emergency Logistics Plan

-Emergency parts can be directly delivered within 48 hours via the "Dongfeng Exclusive Aviation Special Line" (such as engine ECU, brake valves and other key components).

Packaging Optimization

-Use shockproof and moisture-proof packaging (such as honeycomb cartons + pearl cotton), and reinforce fragile parts (such as glass, sensors), keeping the damage rate within 0.5%.