CAT 383-0433 (3830433) Water Pump | Fits 303.5E2 304E2 305.5E2 902C
CAT 383-0433 (3830433) Water Pump | Fits 303.5E2 304E2 305.5E2 902C
In Stock & Ready for Global Express Dispatch
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Premium engine water pump engineered as a direct OEM-compatible replacement for Caterpillar 383-0433 (3830433). Designed to deliver optimal coolant circulation, prevent engine overheating, and maintain stable thermal performance across CAT mini excavators and compact wheel loaders working under tough jobsite conditions.
Product Highlights
- Part Number: CAT 383-0433 / 3830433
- Direct Fit OEM Replacement: Mounting flange, impeller design, and inlet/outlet ports strictly conform to original Caterpillar factory specifications for drop-in installation.
- Heavy-Duty Construction: Features high-strength alloy housing, precision-balanced impeller, and long-life mechanical seals to prevent coolant leakage and bearing failure.
- Optimal Thermal Control: Maintains continuous coolant circulation through the radiator and engine block to protect compact diesel engines from thermal stress.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 383-0433 / 3830433 |
| Equipment Brand | Caterpillar (CAT) |
| Product Type | Engine Cooling Water Pump Assembly |
| Application | Engine Cooling System |
| Warranty | 12 Months Warranty |
Compatible Models & Equipment
This replacement water pump is precision-engineered to fit the following Caterpillar compact machinery platforms:
- Mini Hydraulic Excavators: 303.5E, 303.5E2, 303.5E2 CR, 304E, 304E2, 304E2 CR, 305E, 305E2, 305.5E, 305.5E2, 305.5E2 CR, 305E2 CR
- Compact Wheel Loaders: 901C, 901C2, 902C, 903C
Key Applications
- Engine Cooling System Overhaul: Replaces worn or leaking water pumps to restore full coolant flow rate.
- Overheating Prevention: Safeguards engine cylinder heads and gaskets from warping or cracking due to excessive operating temperatures.
- Fleet Preventive Maintenance: Extends engine service life during intense excavation, landscaping, and construction operations.
Why Choose Our CAT Replacement Parts?
- ISO Certified Quality: Manufactured under strict ISO 9001 guidelines and 100% leak and pressure tested prior to shipment.
- Cost-Effective Aftermarket Alternative: Offers OEM-level reliability and performance at competitive aftermarket pricing.
- Global Express Shipping: Maintained in stock for fast worldwide delivery to reduce machine downtime.
- Dependable Warranty: Supported by a 12-month warranty and technical support from engine components specialists.
Frequently Asked Questions (FAQ)
Q: Is this water pump a direct replacement for CAT part number 383-0433?
A: Yes, this pump is a 100% direct replacement manufactured to match original specifications and mounting points for CAT part 383-0433 / 3830433.
Q: Will this fit my CAT 305.5E2 CR mini excavator?
A: Yes, it is fully compatible with CAT 303.5E, 304E, 305E, and 305.5E series excavators (including E2 and CR models), as well as 901C–903C loaders.
Q: What is covered under the 12-month warranty?
A: The 12-month warranty covers manufacturing defects, seal leakage, and casting faults under standard operating conditions.
Q: How fast can this part be shipped?
A: In-stock orders are typically dispatched within 3–5 business days, with international express air options available.
Need a Quote for CAT 383-0433?
Contact us today for factory-direct pricing, stock confirmation, and express delivery rates.
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