Upgrade your classic Pontiac with this high-quality reproduction water pump pulley. Designed specifically for the 1965-66 Pontiac full size models equipped with 326ci, 389ci, and 421ci engines, this double groove pulley not only ensures superior performance but also retains the authenticity of your vehicle. With its 8″ diameter, this essential component is a perfect blend of functionality and style, making it a must-have for any restoration enthusiast.

Key Features and Benefits

• Double Groove Design: Optimized for seamless belt operation, enhancing cooling system efficiency.
• Durable Construction: Crafted to withstand the demands of your engine, ensuring longevity and reliability.
• Perfect Fit: Engineered for 1965-66 Pontiac models, guaranteeing easy installation and optimal performance.
• Authentic Finish: Designed to match the original specifications, preserving the classic look of your Pontiac.
• Easy Identification: Features a stamped part number (9778808) for straightforward recognition and reference.

Technical Specifications

• Part Number: 9778808
• Brand: OER
• Diameter: 8″ (approx.)

Fitment Information

This water pump pulley is designed for the following engine models:

• 1965 Pontiac with 326ci engine
• 1965 Pontiac with 389ci engine
• 1965 Pontiac with 421ci engine
• 1966 Pontiac with 326ci engine
• 1966 Pontiac with 389ci engine
• 1966 Pontiac with 421ci engine

Enhance your Pontiac’s performance and maintain its classic appeal with this reliable water pump pulley. Dont miss out on the opportunity to restore your vehicle to its former glory. Order yours today and experience the difference!