387-9903 PUMP GP-WATER | REPLACEMENT FOR CATERPILLAR

Efficient Cooling · Durable Construction · Reliable Engine Protection

The HYDSTAR® Water Pump is engineered to maintain efficient coolant circulation and help prevent engine overheating, providing reliable protection and consistent cooling performance under demanding operating conditions.

Designed for engine repair, replacement, and overhaul applications, HYDSTAR® water pumps feature a corrosion-resistant polished stainless steel shaft, a durable impeller engineered for efficient coolant flow, and a hardened bearing retaining ring for improved bearing stability. Enhanced oil and coolant seals help reduce leakage and extend service life.

Manufactured under strict quality control and tested to HYDSTAR® standards, each water pump is designed to deliver dependable cooling performance, excellent durability, and reliable operation in demanding equipment applications.

Key Features

• Efficient Coolant Flow — Durable impeller design provides consistent coolant circulation for effective engine cooling.
• Enhanced Sealing — Improved oil and coolant seals help prevent leakage and extend service life.
• Corrosion-Resistant Shaft — Polished stainless steel shaft provides excellent resistance to corrosion and wear.
• Improved Bearing Stability — Hardened bearing retaining ring helps maintain secure and reliable bearing positioning.
• Reliable Performance — Precision-manufactured and quality-tested for dependable operation under demanding working conditions.
• Long Service Life — Robust materials and optimized construction provide excellent durability for heavy-duty applications.