Water Pump 2W-1223 4N-0660 Aftermarket for Caterpillar 3204 Engines

 Stop Overheating in Your Classic Caterpillar 3204 Fleet

The rugged Caterpillar 3204 diesel engine has powered a massive generation of classic mid-size dozers, track loaders, and excavators. However, decades of hard earthmoving hours will inevitably degrade the original cooling system. When worn seals and bearings cause your water pump to fail, it leads to rapid coolant loss, dangerous overheating, and potential engine seizure. Engineered to meet strict heavy-duty factory specifications, the 2W-1223 Water Pump restores optimal coolant circulation and protects your classic Cat equipment.

The 2W-1223 Engineering Advantage

• Universal 3204 Engine Integration: Sourcing parts for classic equipment shouldn't be a guessing game. This premium aftermarket water pump is engineered as a direct bolt-on replacement for massive OEM part numbers including 2W-1223, 4N-0660, 1W-2929, and 1W-6446. It guarantees flawless gasket alignment and pulley fitment on the 3204 block without custom modifications.

• Maximum Coolant Flow Impeller: Constructed with a heavy-duty, precision-machined impeller designed to maximize fluid displacement. This effectively prevents block cavitation and dangerous hot spots, whether you are pushing heavy dirt in a D4C Dozer or trenching with a 215 Excavator.

• Severe-Duty Bearing & Seal System: Equipped with high-capacity, unitized bearings and an advanced mechanical seal assembly. Designed to withstand excessive fan belt tension, continuous heavy engine vibration, and harsh job site elements for a leak-free, long-lasting lifespan.

Verified Caterpillar Application Guide

Due to the universal nature of the 3204 engine, this water pump fits a massive range of classic equipment. Verify your machine model below:

• Primary Part Number: 2W-1223 (2W1223)

• Interchangeable OEM Numbers: 4N-0660, 1W-2929, 1W-6446, 1W-5644, 381-812

• Cat Reman Reference: 0R-1242

• Compatible Engine Model: Caterpillar 3204

• Cat Track Loaders: 931B, 931C, 935B, 935C, 943, 953

• Cat Dozers (Track-Type): D3B, D3C, D4B, D4C, D4H, D5C

• Cat Wheel Loaders / IT: 910, 916, 926E, IT12, IT18, IT28

• Cat Excavators: 215, 215B

• Component Type: Engine Coolant Water Pump Assembly

• Condition: 100% New Aftermarket Replacement, Ready to Ship