Skip to product information
1 of 3

CAT 3522077 (352-2077) Water Pump for C10 C12 Engine | Fits 345B 365B D7R 972G

CAT 3522077 (352-2077) Water Pump for C10 C12 Engine | Fits 345B 365B D7R 972G

Premium engine water pump designed specifically for Caterpillar (CAT) C10 and C12 diesel engines, delivering efficient coolant circulation and high-performance thermal regulation. Built to handle heavy-duty operational cycles, this water pump ensures optimal cooling flow to protect high-horsepower machinery from overheating in demanding construction, mining, and earthmoving environments.

Product Highlights

  • Part Number: 3522077 / 352-2077
  • Engine Compatibility: Engineered exclusively as a direct drop-in replacement for reliable Caterpillar C10 and C12 heavy-duty industrial engines.
  • Heavy-Duty Construction: Manufactured with top-tier anti-corrosive cast iron housing and precision-balanced impellers to resist cavitation, erosion, and continuous thermal stress.
  • Advanced Cooling Seal Group: Equipped with premium alloy seals and robust bearing sets to eliminate coolant leakage and ensure stable pressure throughout the entire cooling system.

Technical Specifications

Parameter Specification
Part Number 3522077 / 352-2077
Product Type Heavy-Duty Engine Water Pump
Primary Engine Fit Caterpillar (CAT) C10 / C12 Industrial Engines
Material Housing High-Strength Precision Cast Materials & Alloy Unitized Seals
Application Range Caterpillar Heavy Machinery, Excavators, Wheel Loaders, and Track Dozers
Warranty 12 Months Warranty

Compatible Models & Equipment

This premium 352-2077 water pump fits a wide selection of Caterpillar heavy-duty equipment powered by the CAT C10 / C12 diesel engine configurations:

  • Caterpillar Hydraulic Excavators: 345B / 345B II / 345B L / 345B II MH / 365B / 365B II / 365B L
  • Caterpillar Wheel Loaders: 966G II / 972G II
  • Caterpillar Track-Type Tractors (Bulldozers): D7R SERIES / D7R II

Key Applications

  • C10 & C12 Engine Thermal Management: Restores factory-standard coolant flow rates to regulate cylinder block temperatures and preserve stable engine performance under heavy torque.
  • Heavy Earthmoving & Construction Fleet Maintenance: Engineered to provide reliable operations for high-tonnage excavators and loaders operating under harsh environmental duty cycles.
  • Cooling System Overhaul: Ideal aftermarket replacement part for curing common weeping issues or bearing noises from aging original factory pumps.

Why Choose Our Aftermarket CAT Pumps?

  • Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match or exceed original equipment performance and durability.
  • Cost-Effective Solution: Achieve premium dealer-level reliability and identical performance at a fraction of the OEM replacement price.
  • Ready to Ship: Kept in stock for immediate worldwide dispatch to reduce your machine's idle downtime significantly.
  • Industry-Leading Support: Backed by a full 1-year warranty and a team of professional heavy machinery engine technical experts.

Frequently Asked Questions (FAQ)

Q: Does this water pump include the installation gasket kit for the C10 or C12 engine?

A: Yes, our premium aftermarket 352-2077 water pump comes complete with high-quality installation gaskets and seals to ensure a seamless, leak-free installation.

Q: Will this pump fit both 345B and 365B heavy excavators?

A: Absolutely. As long as your heavy equipment model is equipped with the specified Caterpillar C10 or C12 engine configuration, this pump serves as a direct drop-in replacement part.

Q: What quality checks do your water pumps undergo?

A: Each individual pump is precision-machined and undergoes rigorous hydrostatic pressure and spin testing to ensure zero housing porosity and flawless seal performance before worldwide shipment.

Q: How long does international shipping take?

A: In-stock orders are typically dispatched within 3–5 business days. We offer expedited shipping and global air freight options for emergency machine breakdown situations.


Explore our full range of heavy-duty engine components:
View All Caterpillar Water Pumps »

Need a Quote for CAT 3522077?

Contact us today for the latest pricing, bulk discounts, and shipping availability.

Request a Quote

📧 Request a Quote View full details