High-Quality 9J5055 Pump Gr Vane Replacement for CAT 3304, 930, and More
Introducing the brand new 9J5055 Pump Gr Vane Replacement, a premium aftermarket solution engineered for superior performance and durability. At Guangxi Huayang Engineering Machinery Equipment Co., Ltd., we specialize in providing top-tier replacement parts for a wide range of construction machinery, including those from leading brands like Caterpillar (CAT) and Komatsu. This particular vane pump replacement is specifically designed to be compatible with various CAT models, including the popular CAT 3304 engine and CAT 930 wheel loader, among others.

Key Advantages of Our 9J5055 Vane Pump Replacement
Enhanced Durability: Manufactured using high-quality materials to ensure a long service life and reliable operation under demanding conditions.
Optimal Performance: Engineered to meet or exceed OEM specifications, providing efficient hydraulic power for your machinery.
Cost-Effective Solution: Offers a significant cost saving compared to genuine parts without compromising on quality.
Precise Fit: Designed for a direct fit, making installation straightforward and minimizing downtime.
Product Applications and Compatible Models
This 9J5055 Pump Gr Vane Replacement is primarily used in the hydraulic systems of various Caterpillar machines. Here are some of the compatible models and their typical applications:
CAT 3304 Engines: Widely used in various applications such as generators, pumps, and powering smaller construction equipment. For instance, a CAT 3304 engine might power a mobile generator set used on construction sites to provide electricity for tools and lighting.
CAT 930 Wheel Loaders: These versatile machines are commonly used for material handling, loading trucks, and general earthmoving tasks in construction, agriculture, and mining. An example scenario would be a CAT 930 loading gravel into dump trucks at a quarry.
Other Compatible Models: This vane pump replacement may also be suitable for other CAT machines utilizing similar hydraulic systems. Please contact us to confirm compatibility with your specific model.
About Guangxi Huayang Engineering Machinery Equipment Co., Ltd.
At Guangxi Huayang Engineering Machinery Equipment Co., Ltd., we are a leading provider of aftermarket parts for construction machinery, specializing in brands like Komatsu and Caterpillar. Our extensive product range 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 parts (such as transmissions, gears, and engine assemblies like Cummins engine parts), and various wear parts (like bucket teeth, track chains, pins and bushings, and high-strength bolts). We are committed to providing high-quality products and excellent customer service to meet the diverse needs of our clients.
Frequently Asked Questions (FAQ)
Q1: How do I know if this vane pump replacement will fit my machine?
A: Please check the part number on your original pump. If it matches 9J5055, or if your machine model is CAT 3304 or CAT 930, it is likely compatible. However, we recommend contacting our sales team with your machine's serial number for precise confirmation.
Q2: What is the warranty on this vane pump replacement?
A: Our 9J5055 Pump Gr Vane Replacement comes with a standard warranty against manufacturing defects. Please inquire with our sales team for specific warranty details.
Q3: How long will it take to receive this part after placing an order?
A: Delivery times vary depending on your location. We work with reliable shipping partners to ensure timely delivery. Please contact us for an estimated delivery timeframe to your specific location.
Troubleshooting, Maintenance Tips, and Repair Advice for Vane Pumps
Troubleshooting Common Vane Pump Issues:
Common signs of a failing vane pump include reduced hydraulic power, noisy operation, overheating, and fluid leaks. If you notice any of these issues, it's important to inspect the pump for wear or damage.
Maintenance Tips for Vane Pumps:
Ensure the hydraulic fluid level is always within the recommended range.
Regularly inspect the hydraulic fluid for contamination and replace it according to the manufacturer's recommendations.
Check for any external leaks around the pump and hydraulic lines.
Keep the pump and surrounding area clean to prevent debris from entering the system.
Repair Advice:
If your vane pump is experiencing significant issues, replacing worn or damaged components like the vanes, rotor, or stator might be possible. However, in many cases, especially with extensive wear, replacing the entire pump with a high-quality aftermarket solution like our 9J5055 is a more reliable and cost-effective option.
Multilingual Parts Glossary (Komatsu & Caterpillar)
Komatsu PC200-8 Track Roller: English: Track Roller, Chinese: 支重轮 (Zhīzhòng lún), Russian: Опорный каток (Opornyy katok). Location: Undercarriage. Example: Komatsu PC200-8 excavator.
Caterpillar CAT 320D Hydraulic Cylinder Seal Kit: English: Hydraulic Cylinder Seal Kit, Chinese: 液压油缸密封包 (Yèyā yóugāng mìfēng bāo), Russian: Комплект уплотнений гидроцилиндра (Komplekt uplotneniy gidrotsilindra). Location: Hydraulic System (e.g., Boom Cylinder). Example: Caterpillar CAT 320D excavator.
Komatsu WA380-6 Bucket Tooth: English: Bucket Tooth, Chinese: 斗齿 (Dǒuchǐ), Russian: Зуб ковша (Zub kovsha). Location: Bucket. Example: Komatsu WA380-6 wheel loader.
Caterpillar CAT D6T Sprocket Segment: English: Sprocket Segment, Chinese: 驱动轮齿块 (Qūdòng lún chǐ kuài), Russian: Сегмент звездочки (Segment zvezdochki). Location: Undercarriage. Example: Caterpillar CAT D6T bulldozer.
Komatsu PC300-8 Swing Motor: English: Swing Motor, Chinese: 回转马达 (Huízhuǎn mǎdá), Russian: Мотор поворота (Motor povorota). Location: Upper Structure. Example: Komatsu PC300-8 excavator.
Caterpillar CAT 140G Grader Blade: English: Grader Blade, Chinese: 平地机刀片 (Píngdìjī dāopiàn), Russian: Отвал грейдера (Otval greydyera). Location: Blade Assembly. Example: Caterpillar CAT 140G motor grader.
Komatsu GD655-5 Transmission Filter: English: Transmission Filter, Chinese: 变速箱滤芯 (Biànsùxiāng lǜxīn), Russian: Фильтр коробки передач (Fil'tr korobki peredach). Location: Transmission System. Example: Komatsu GD655-5 motor grader.
Caterpillar CAT 777D Fuel Injector: English: Fuel Injector, Chinese: 燃油喷油器 (Rányóu pēnyóuqì), Russian: Топливная форсунка (Toplivnaya forsunka). Location: Engine. Example: Caterpillar CAT 777D off-highway truck.
Komatsu HM400-2 Dump Truck Tire: English: Dump Truck Tire, Chinese: 矿用自卸车轮胎 (Kuàngyòng zìxiè chē lúntāi), Russian: Шина самосвала (Shina samosvala). Location: Wheels. Example: Komatsu HM400-2 articulated dump truck.
Caterpillar CAT 3126B Water Pump: English: Water Pump, Chinese: 水泵 (Shuǐbèng), Russian: Водяной насос (Vodyanoy nasos). Location: Engine Cooling System. Example: Caterpillar CAT 3126B engine (used in various machines).