Dayco DP991 Engine Water Pump Cast Iron V-Belt Drive

The Dayco DP991 is an OE-equivalent engine water pump designed to restore reliable coolant circulation and maintain optimal engine operating temperatures. Engineered with precision and backed by Dayco's industry-leading quality standards, this water pump delivers consistent performance for automotive and light truck applications.

Key Features:

• Cast iron housing construction for superior durability and heat resistance
• 8-vane impeller with standard rotation for efficient coolant flow
• V-belt drive type with 4 hub holes and 15 mounting holes for precise fitment
• Durable one-piece design with case-hardened roller bearings that flex without breaking
• Superior gaskets and unitized seals to prevent leaks and ensure long service life
• OE-style fit and function meeting or exceeding original equipment specifications
• Backed by an industry-leading 125,000-mile warranty when registered

Dayco controls every aspect of the manufacturing process from raw materials to finished product, utilizing advanced engineering, material science, and rigorous validation testing. Each water pump undergoes unique failure mode analysis for continuous improvement, ensuring precise fit and consistent performance in real-world driving conditions.

What's Included: Water pump with gasket. Does not include pulley, fan clutch, thermostat housing, back housing, or mounting hardware.