Aluminum Radiator with Shroud for Cadillac Fleetwood Brougham Deville (1987-1992) 5.7L

Heavy-Duty 4-Row Aluminum Radiator with Shroud for 1987-1992 Cadillac Fleetwood

What it Does: Replaces the failure-prone factory copper-brass or plastic-tank radiator with a high-capacity 4-row aluminum core and electric fan assembly to eliminate thermal runaway in heavy-chassis driving conditions.

The Stock Fleetwood Cooling Limitations

Factory cooling systems on the D-body Cadillac Fleetwood relied on crimped plastic or aging brass tanks coupled to restrictive multi-piece cores. Over decades of heat cycling, factory tank seams degrade, developing stress fractures and micro-leaks under pressure. Furthermore, the massive cast-iron 5.7L small-block engine produces significant thermal soak. The original belt-driven mechanical fan relies entirely on engine RPM, causing coolant temperatures to spike during prolonged idling, stop-and-go traffic, or high-load cruising where low-speed airflow drops significantly.

The Engineering Solution

This cooling upgrade incorporates a high-efficiency 4-row brazed aluminum tube-and-fin core welded directly to T-6061 aluminum end tanks via precision TIG welds, eliminating leaky mechanical gaskets entirely. Aluminum delivers vastly superior thermal conductivity over aging composite materials. Paired with a fitted aluminum shroud and high-CFM electric cooling fan, the assembly pulls uniform static airflow across the total surface area regardless of engine speed, preventing cavitation and stabilizing operating temps.

Technical Specifications

Compatibility

• 1987-1992 Cadillac Fleetwood (5.7L V8)
• 1987-1992 Cadillac Brougham (5.7L V8)
• 1987-1992 Cadillac DeVille (5.7L V8 Conversions/Specific Trims)

The Cadillac Endurance Standard

Built to handle the immense inertia and towing requirements of full-size GM D-body platforms, this all-aluminum cooling system maintains rock-solid thermal stability under demanding loads and summer heat.