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Designed to keep your high-demand engine cool, Maintains an optimum operating engine temperature, Engineered to flow up to 40% above stock, Made from lightweight and strong 356-T aluminum, Heavy-duty bearings and seals support a shaft 1969-1979 Pontiac, High-Flow Mechanical Water Pump, Satin Sku # 91015489 Mfr. Part # 91015489 Condition New Brand Speedway Motors Sold Each Details
High-Flow Mechanical Water Pump. With a Satin finish and Standard Rotation. To provide the extra cooling power your high-performance engine demands, rely on this mechanical water pump. Constructed of a heat-treated aluminum, the pump is strong and lightweight and manages heat much better than cast iron.
- Designed to keep your high-demand engine cool
- Maintains an optimum operating engine temperature
- Engineered to flow up to 40% above stock
- Made from lightweight and strong 356-T aluminum
- Heavy-duty bearings and seals support a shaft
- Shaft rotates an 8-blade anti-cavitation impeller
- Quick and easy installation
Specs Water Pump Type Mechanical Rotation Clockwise/Standard Pump Flow High-Volume Housing Material Cast Aluminum Housing Finish Satin Housing Color Natural Pilot Shaft Diameter 0.63 Inch Gasket(s) Included Yes MFG. Part # 91015489 Sold in Quantity Each Reviews Maybe Rated by Matt on March 05, 2026
Summary: Casting isn't the best, spots are chipped or not machined very well as shown in the pictures. Overall rougher than expected but I'm new to classic car hobby and the parts buying....is it acceptable?
Yes, I recommend this product.
Yes Rated by Been on October 23, 2025
Summary: Works good for me
Yes, I recommend this product.
I would definitely buy from Speedway again. Rated by Spook on August 25, 2022
Summary: The water pump fit perfectly and a great match without any problems. Hooked everything and it worked great. Will buy from Speedway again. I would rate this as a five star company, had no problems at all and will definitely buy from Speedway again. Thank you
Yes, I recommend this product.
Tech Support We\'re here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
