Aluminum Radiator for Mini Cooper (1961-1969) 0.8L 1.0L 1.3L

High-Efficiency Aluminum Radiator for 1961-1969 Mini Cooper

Replaces the fragile factory brass-copper cooling core with an all-aluminum, dual-row heat exchanger engineered to eliminate overheating in classic Mini engine bays.

The Stock Cooper Thermal Bottleneck

Classic ADO15 Minis position the radiator sideways against the inner wing, relying on fan draw through restrictive wheel-arch ducting rather than direct frontal ram-air. The original copper-brass radiator cores suffer from solder bloom, galvanic corrosion, and constricted capillary tubes over decades of service. Under modern traffic conditions or sustained throttle, thermal efficiency rapidly deteriorates, resulting in localized boiling around the exhaust ports, cylinder head heat soak, and premature head gasket failure on high-compression A-Series engines.

The Engineering Solution

This direct-replacement unit features a high-density, dual-row brazed aluminum core that maximizes thermal heat rejection within the vehicle's confined inner wing compartment. Heavy-gauge aluminum end tanks are 100% TIG-welded, eliminating the brittle lead solder seams and crimped joints typical of OEM designs. The elevated heat dissipation rate and optimized fluid tube sizing ensure stable coolant operating temperatures under heavy load without requiring modifications to the classic engine bay layout.

Technical Specifications

Compatibility

• 1961-1967 Mini Cooper Mk I (0.8L 848cc, 1.0L 997cc/998cc, 1.3L 1275cc)
• 1967-1969 Mini Cooper Mk II (0.8L 848cc, 1.0L 998cc, 1.3L 1275cc)

The Classic Mini Engineering Standard

Built to drop directly into factory side-mount brackets, this aluminum core provides dependable thermal management for British classics without check-engine lights, leaks, or chassis modification.