Unveiling Our Extensive Range of OEM Caterpillar Hydraulic Pump Components
At Changzhi Huawei Hydraulic Co., Ltd., we pride ourselves on being a leading provider of hydraulic solutions for heavy machinery. Our commitment to quality and performance is reflected in our comprehensive inventory of OEM Caterpillar hydraulic gear pumps and cartridge kits, designed to meet the rigorous demands of your equipment.

We understand the critical role hydraulic systems play in the efficient operation of Caterpillar machinery. That's why we offer an extensive selection of replacement parts that ensure seamless integration and optimal performance. Our product range includes, but is not limited to, the following high-demand components:
OEM Caterpillar Hydraulic Gear Pumps: 4J8489, 4J8490, 4J8491, 4J8492, 4J8493
Hydraulic Pump Cartridge Kits for CAT: 4J6843, 4J8485, 4J8489, 4J8492, 4J8493, 4J8497, 3G2723, 3G2722, 3G7659
Replacement Hydraulic Pump Cartridges (Gallon Ratings):
4J8484 (4J-8484) - 60 Gallon
4J8483 (4J-8483) - 60 Gallon
4J8480 (4J-8480) - 12 Gallon
4J8448 (4J-8448) - 47 Gallon
4J8479 (4J-8479) - 21 Gallon
4J7474 (4J-7474) - 42 Gallon
4J5128 (4J-5128) - 50 Gallon (for Caterpillar CAT 966C, 966R)
9J0739 (9J-0739) - 57 Gallon
4J4707 (4J-4707) - 25 Gallon
Hydraulic Vane Pump Spare Parts: 4J7949, 4J8448, 4J8483, 4J8484, 4J8490, 4J8491, 4K4631, 3G7656, 3G7660 (Used for Caterpillar Excavator)
Comprehensive Pump Parts for Hydraulic Vane Pumps: 4j7948, 4j8448, 4j8478, 4j8479, 4j8480, 4j8481, 4j8483, 4j8484, 4j8485, 4j8489, 4j8490, 4j8491, 4j8492, 4j8493, 4j8494, 4j8495, 4j8496
Hydraulic Vane Pump Cartridge Kits: 3G2751, 3G7658, 3G7659, 4J1782, 4J2461, 4J3538, 4J6843, 4J8485, 4J8489
New Hydraulic Pump Cartridges for Caterpillar: 3G2749, 7J0578, 4J3538
Each of our products undergoes rigorous quality control to ensure they meet or exceed Caterpillar's specifications. We understand that downtime can be costly, which is why we prioritize prompt delivery and reliable performance. Our commitment to providing high-quality components ensures that your Caterpillar equipment operates at peak efficiency, minimizing operational interruptions and maximizing productivity.
Whether you're looking for a specific gear pump, a complete cartridge kit, or individual vane pump spare parts, Changzhi Huawei Hydraulic Co., Ltd. is your trusted partner. Our knowledgeable team is always ready to assist you in finding the precise components you need to keep your heavy machinery running smoothly.
