Gates 42349BH Engine Water Pump

Reliable Cooling Solution for Chevrolet and GMC Trucks

The Gates Water Pump (Standard) 42349BH is engineered to maintain optimal engine temperature in heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500, this engine water pump ensures consistent coolant flow and engine protection.

• Durable cast aluminum housing for long-lasting performance
• Plastic impeller with reverse rotation for efficient coolant circulation
• Includes back housing, gasket, and two o-rings for a complete seal
• Equipped with a pulley and designed for accessory belt drive style
• Features two outlet ports to support effective coolant distribution

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line offers dependable engine water pumps designed to meet OEM specifications for a range of vehicles. This product line focuses on providing quality components that integrate seamlessly with existing cooling systems. The 42349BH model includes essential parts such as the back housing and gasket, ensuring a proper fit and function for Chevrolet and GMC heavy-duty trucks.

Product Details and Specifications

This engine water pump features a cast aluminum housing that provides strength and resistance to corrosion. The plastic impeller rotates in reverse, optimizing coolant flow through the engine block. The pump includes a back housing, gasket, and two o-rings to ensure a secure and leak-free installation. It is designed for accessory belt drive systems and comes with a pulley, but does not include a thermostat, thermostat housing, or fan clutch. The pump is not timing belt driven and has two outlet ports to facilitate efficient coolant routing.

Common Applications and Problem Solving

• Replacement for worn or leaking water pumps in Chevrolet Sierra 2500 HD and 3500 models
• Restores proper coolant circulation in GMC Silverado 2500 HD and 3500 trucks
• Addresses overheating issues caused by failing water pump components
• Prevents coolant leaks by providing a secure seal with included gasket and o-rings
• Supports accessory belt-driven cooling systems in heavy-duty trucks

Installation Notes and Tips

When installing the Gates 42349BH water pump, ensure the accessory belt is properly tensioned to avoid premature wear. Verify that the gasket and o-rings are seated correctly to prevent leaks. Since the thermostat and fan clutch are not included, inspect these components separately during installation. This water pump is designed specifically for Chevrolet and GMC heavy-duty truck models, so confirm vehicle compatibility before installation.

Quality Assurance and Warranty

Gates manufactures this water pump to meet strict quality standards, using durable materials like cast aluminum and engineered plastic. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties to ensure reliability and customer confidence.