1963-65 Buick Dual 12 inch Fan Shroud for ColdCase CHD924A

1963–1965 Buick Dual 12-Inch Fan Shroud for Cold Case CHD924A

Build your Buick's dual-fan cooling setup around a precision CNC-cut, aircraft-grade aluminum shroud made in the USA. The custom-contoured three-piece design overlaps the radiator side brackets, while two rubber flap doors allow pass-through airflow at road speed.

Compatible 12-Inch Fans

• SPAL 30102029: 12-inch brushed high-performance puller fan. Buy here.
• Maradyne M122K Champion: 12-inch, 225W reversible S-blade fan rated at 1,595 CFM, with an 18.3-amp draw and 3.37-inch profile depth. Buy here.
• Maradyne MSS122K Champion Smart Start: 12-inch, 225W reversible S-blade fan with reduced startup amp draw. Rated at 1,700 CFM, with an 18.3-amp draw and 3.37-inch profile depth. Buy here.
• Proform 67034 and 67038: 12-inch low-profile brushless fans.

Fans are sold individually; order two for this dual-fan shroud. Confirm fan-to-engine clearance before ordering, including the shroud depth and fan profile.

Compare options using Monty's independent fan CFM test results.

Need fans too? Save around 5% on the entire kit. Shroud & Fan Kit Builder — Build your kit here.

Installation Hardware and Accessories

• Fan and bracket mounting hardware: Twelve M6x1 fasteners, 16mm long, sold separately.
• Two rubber flap doors: SPAL 30130012, sold separately. Buy here.
• Fan relay and wiring harness: Needed if not already installed. Each relay should be rated for 30–40 amps. Options include SPAL, Painless Performance, Derale, Ron Davis, and American Autowire.
• Adjustable thermostat switch: Recommended for automatic operation and typically included with most fan-relay harnesses. Monty's personal Painless Performance setup switches on at 195°F and off at 185°F.

See the “Down Flow Shrouds” video for installation tips, and follow our Radiator Fan Shroud Installation Guide.

Finishes and What's Included

• Choose raw aluminum or powder coat.
• Raw aluminum may have witness marks that can be cleaned with Scotch-Brite or a Magic Eraser.
• Fans and installation accessories are sold separately.

Lead Times and Additional Information

• Raw aluminum: Around one week.
• Powder-coated shrouds: Around two weeks. 

This is an aftermarket shroud designed to work with the Cold Case CHD924A radiator. It is not manufactured by Cold Case Radiators.

Check Monty's Discounted Parts and Blems for working shrouds with minor blemishes.