High-Performance 6N9215 4W7188 Oil Cooler Core for Cat Caterpillar Engines
Introducing the robust and reliable 6N9215 4W7188 Oil Cooler Core, a premium aftermarket component specifically designed to fit a range of classic Cat Caterpillar engines, including the D330C, D333C, 3304, and 3306 models. At Guangxi Huayang Engineering Machinery Equipment Co., Ltd., we specialize in providing high-quality replacement parts for your heavy machinery, ensuring optimal performance and longevity.

Product Advantages
Superior Cooling Efficiency: Engineered for optimal heat dissipation, preventing engine overheating and extending engine life.
Durable Construction: Made with high-quality materials to withstand demanding operating conditions.
Perfect Fit: Designed to meet or exceed OEM specifications for easy installation and reliable performance.
Cost-Effective Solution: Provides a high-quality alternative to OEM parts at a competitive price.
Product Uses and Compatible Models
This oil cooler core is crucial for maintaining the correct operating temperature of your engine oil. By efficiently cooling the oil, it helps to prevent premature wear and tear on critical engine components. This part is specifically designed for the following Cat Caterpillar engine models:
Caterpillar D330C Engine: Commonly found in various construction and agricultural equipment such as excavators, loaders, and generators used in construction sites, farms, and power generation facilities.
Caterpillar D333C Engine: Utilized in similar applications as the D330C, including some models of tractors and earthmoving machinery often deployed in road construction and mining operations.
Caterpillar 3304 Engine: A popular engine in a wide range of machinery like wheel loaders, excavators, and generator sets used across diverse industries including construction, forestry, and marine applications. For example, it might power a Caterpillar 966C Wheel Loader working in a quarry or a Caterpillar 225 Excavator on a building site.
Caterpillar 3306 Engine: Known for its power and reliability in larger equipment such as bulldozers, motor graders, and larger capacity generator sets. You might find a Caterpillar D7G Bulldozer equipped with a 3306 engine working on a land clearing project or a Caterpillar 14G Motor Grader maintaining roads.
About Guangxi Huayang Engineering Machinery Equipment Co., Ltd.
Guangxi Huayang Engineering Machinery Equipment Co., Ltd. is your trusted source for aftermarket parts for leading brands like Komatsu and Caterpillar. Our extensive inventory includes undercarriage parts (such as track rollers, carrier rollers, sprockets, idlers, and track shoes), hydraulic system components (including hydraulic pumps, hydraulic motors, control valves, and hydraulic cylinders like bucket cylinders and boom cylinders), transmission and power components (such as transmissions, gear components, and engine assemblies, including Cummins engine parts), and various wear parts (like bucket teeth, track links, pins and bushings, and high-strength bolts). We are committed to providing quality parts and excellent customer service to keep your machinery running smoothly.
Frequently Asked Questions (FAQ)
Q: How do I know if my oil cooler core needs replacing?
A: Common signs include engine overheating, oil leaks from the cooler, and the presence of oil in the coolant or coolant in the oil. Regular inspection is recommended.
Q: What are the potential consequences of a faulty oil cooler?
A: A malfunctioning oil cooler can lead to engine overheating, increased wear on engine components, and potentially severe engine damage.
Q: How often should I inspect my oil cooler?
A: We recommend inspecting your oil cooler during regular engine maintenance checks, or at least every 250 hours of operation, or as specified in your equipment's service manual.
Troubleshooting and Maintenance Tips
Troubleshooting Common Issues:
Overheating Engine: Check for coolant leaks, blocked airflow to the cooler, or internal blockage within the cooler.
Oil Leaks: Inspect the cooler core, hoses, and connections for any signs of damage or loose fittings.
Oil in Coolant/Coolant in Oil: This often indicates a failure within the oil cooler core, requiring replacement.
Maintenance Recommendations:
Regularly clean the exterior of the oil cooler to ensure proper airflow and heat dissipation.
Inspect hoses and connections for any signs of wear, damage, or leaks.
Ensure the correct coolant levels and proper coolant mixture are maintained.
Follow the manufacturer's recommended service intervals for coolant changes.
Multilingual Glossary of Related Parts
Caterpillar CAT 320D Bucket Cylinder: 挖斗油缸 (Wā Dǒu Yóuyāng) - Гидроцилиндр ковша (Gidrotsilindr kovsha) - Located on the excavator boom and bucket linkage.
Komatsu PC200-8 Track Roller: 支重轮 (Zhī Zhòng Lún) - Опорный каток ( опорный каток) - Part of the undercarriage, supporting the machine's weight on the tracks.
Caterpillar CAT 336D Swing Motor: 回转马达 (Huízhuǎn Mǎdá) - Поворотный двигатель (Povorotnyy dvigatel') - Powers the rotation of the excavator's upper structure.
Komatsu D85EX-15 Sprocket: 驱动轮 (Qūdòng Lún) - Ведущая звездочка (Vedushchaya zvezdochka) - Engages with the track links to propel the bulldozer.
Caterpillar CAT 349E Hydraulic Pump: 液压泵 (Yèyā Bèng) - Гидравлический насос (Gidravlicheskiy nasos) - The main power source for the excavator's hydraulic system.
Komatsu WA470-8 Wheel Loader Bucket Tooth: 斗齿 (Dǒu Chǐ) - Зуб ковша (Zub kovsha) - Attached to the bucket edge for digging and loading.
Caterpillar CAT 323F Track Shoe: 履带板 (Lǚdài Bǎn) - Гусеничная пластина (Gusenichnaya plastina) - The individual segments that form the continuous track.
Komatsu PC300-8 Carrier Roller: 托链轮 (Tuō Liàn Lún) - Поддерживающий ролик (Podderzhivayushchiy rolik) - Located on the upper part of the undercarriage, guiding the track.
Caterpillar CAT 315GC Idler: 引导轮 (Yǐndǎo Lún) - Направляющее колесо (Napravlyayushcheye koleso) - Positioned at the front of the undercarriage to guide the track.
Komatsu GD655-6 Motor Grader Blade Cylinder: 刀片油缸 (Dāopiàn Yóuyāng) - Гидроцилиндр отвала (Gidrotsilindr otvala) - Controls the movement of the grader blade.