Skip to product information
Usually ships in 2–4 business days.
Water Pump 383-0433 for Caterpillar CAT 303.5E 304E C1.7 C1.8 C2.4 901C 903C
$97.99
Sale price
$97.99
Regular price
Available to Order
This Water Pump 383-0433 is a cooling system component compatible with Caterpillar CAT 303.5E, 304E, 901C, and 903C models and matches OEM Part# 383-0433.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This Water Pump 383-0433 is a high-quality replacement designed to regulate engine temperature in heavy-duty machinery. The Water Pump 383-0433 circulates coolant through the engine block to prevent overheating during intensive operations. This Water Pump 383-0433 is built for equipment owners requiring reliable thermal management for their Caterpillar engines.
Key Features & Performance
- Precision-engineered to meet or exceed original equipment flow and pressure specifications
- Durable housing construction designed to withstand high thermal stress and vibration
- High-quality internal seals and bearings prevent leaks and ensure smooth operation
- Efficient impeller design optimizes coolant circulation for consistent engine performance
Fitment & Compatibility
- Caterpillar Mini Hydraulic Excavator 303.5E, 304E, 305.5E, 305E
- Caterpillar Compact Wheel Loader 901C, 902C, 903C
- Compatible with Caterpillar Engines C1.7, C1.8, C2.4
Common Uses
- Replacement of worn or leaking pumps in compact construction equipment
- Routine cooling system maintenance for mini excavators and wheel loaders
- Engine cooling for industrial and agricultural machinery utilizing CAT C-series engines
Technical Specifications
- Part Number(s): 383-0433
- Compatible Brand: Caterpillar / CAT
- Engine Models: C1.7, C1.8, C2.4
Frequently Asked Questions
Q: What are the signs that my excavator water pump needs replacement? A: Common indicators include visible coolant leaks, engine overheating, or unusual grinding noises from the pump housing.
Q: Does this unit include the mounting gasket? A: While this is the pump assembly, it is always recommended to verify the specific kit contents or purchase a new gasket separately for a leak-free seal.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.