399-7633 Main Pump Inlet Tube for Caterpillar Excavator 320D
399-7633 Main Pump Inlet Tube for Caterpillar Excavator 320D. Premium aftermarket replacement for hydraulic system repair. Please confirm the OEM part number and machine serial number before ordering.
Brand: WINSCHEN
Country of Origin: China
MOQ: 1 PCS
Dispatch time: 1-3 business days
SKU: CTC-399-7633
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399-7633 Main Pump Inlet Tube – High-Quality Aftermarket Replacement for Caterpillar 320D Excavator
Ensure reliable hydraulic fluid flow to the main pump in your Caterpillar 320D excavator with this premium aftermarket 399-7633 main pump inlet tube. Engineered as a direct OEM replacement, it provides durable construction to withstand high pressure and vibration, preventing restrictions and maintaining optimal pump performance in heavy-duty digging conditions.
Key Features
- Prevents Pump Damage: Smooth, unrestricted flow reduces cavitation and overheating, extending main pump life.
- Direct Fit Installation: Matches genuine Cat specs for quick, no-modification replacement – minimize downtime during hydraulic service.
- Built Tough for Heavy Duty Use: High-grade material resists pressure, vibration, and harsh conditions for long-lasting reliability on job sites.
- Cost-Effective Alternative: OEM-level durability at aftermarket pricing – ideal for routine maintenance and fleet repairs.
- Fast Shipping: In stock and ready to ship within 1-3 days.
Compatible Equipment Models
Tractors: 320D Caterpillar
Specifications
| Part Number | 399-7633 (3997633) |
| Part Type | Main Pump Inlet Tube |
| Application | Hydraulic System Repair |
| Brand | WINSCHEN |
| Country of Origin | China |
| SKU | CTC-399-7633 |
| MOQ | 1 PCS |
| Delivery Time | 1-3 business days |
Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.
Related Caterpillar Parts Categories
Browse more Caterpillar replacement parts or compare other hydraulic hoses. For fitment confirmation, send the OEM part number, machine model and serial number through our inquiry form or WhatsApp.
| OEM Part Number | 399-7633 |
|---|---|
| Equipment Brand | Caterpillar |
| Product Type | Main Pump Inlet Tube |
| Condition | Premium Aftermarket Replacement |
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