4I7634 121-1504 Main Hydraulic Pump K3V63DT-9N3D-14 for CAT312 312B
This main hydraulic pump, part number 4I7634, 121-1504, is a Kawasaki designed product specially for Caterpillar excavator CAT312, 312B, 312BL, and other models. Tunway offers aftermarket-new pumps that meet original equipment manufacturer (OEM) standards and specifications, ensuring your excavator to operate under an excellent performance.
Product Details
| Part Name | K3V63DT-9N3D-14 Main Hydraulic Pump |
| Application Model | CAT312, 312B, 312BL, Part No. 4I7634, 121-1504 |
| Brand | Tunway |
| Condition | Brand New |
| Country of Origin | China |
| Package | Wooden case |
| Weight | 140 kg |
| Warranty | 12 Months |
| Delivery Lead Time | 2-5 days |
| Payment Method | T/T, Western Union, PayPal, MoneyGram, Alipay |
| Shipping Method | DHL, UPS, FedEx, TNT, EMS, Aramex, Sea Shipping |



Discover High-Quality Aftermarket Caterpillar Excavator Parts at Tunway.
Caterpillar is the world’s leading manufacturer of construction and mining machinery. Its hydraulic excavators, wheel loaders, bulldozers, and diesel engines are widely welcomed by the global customers.
Considering the expensive genuine parts, Tunway provides a wide range of aftermarket Caterpillar excavator parts. This includes hydraulic components, engine rebuilding parts, final drives, swing motors, reducer gearbox parts, controllers, displays, and more, all available at much lower prices.
Most importantly, the quality of our components meets original standards and specifications to ensure your machine operates at an excellent performance. Tunway understands the importance of relying on high-quality parts while offering competitive prices to our customers.
Warranty Guarantee
Tunway values every customer. The company is keeping on providing the parts of exceptional quality and ensure customer satisfaction. For any products meet quality problem, we offer comprehensive warranty coverage.
If you meet any quality problems and need any after-sales assistance, please contact our sales team that contacted you directly. And please contact us at tunway@twspares.com for further assistance. We will do our best to providing a smooth and satisfactory after-sales experience for our valued customers.
Tunway Offers a Reliable One-Stop Solution for High-Quality Excavator Parts.
- Hydraulic Pump Assembly and Spare Parts for Excavators, Construction Machinery, Industrial Machinery, Agricultural Machinery and Marine.
- Diesel Engine Overhaul Parts and Assembly
- Excavator Swing Motor and Spare Parts
- Excavator Travel Motor/ Final Drive and Spare Parts
- Excavator Electrical Parts
- Excavator Main Control Valve and Spare Parts
- Excavator Reducer Gearbox Parts
- Excavator Undercarriage Parts
- Excavator Seal Kits











