Aluminum Radiator for Land Rover Defender (1994-1997) 3.9L 4.0L

Heavy-Duty Aluminum Radiator for 1994-1997 Land Rover Defender

What it Does: Direct-fit cooling upgrade engineered to replace the failure-prone factory copper-brass or plastic-tank radiator, dropping operating temperatures and eliminating coolant leak vectors on classic V8 Defenders.

The Stock Defender Cooling Vulnerability

Factory radiators installed on NAS and late-model classic Defenders utilize crimped plastic end tanks or soldered copper-brass cores susceptible to structural fatigue under off-road chassis torsion. Over repeated thermal cycles, the OEM plastic tanks become brittle, cracking at the inlet necks and crimp seams. Furthermore, the aged stock core fin densities suffer from internal sediment blockage and exterior fin corrosion, leading to thermal saturation, localized hot spots, and catastrophic heat soak during low-speed, high-load overland crawling.

The Engineering Solution

This heavy-duty unit addresses OEM structural flaws with 100% TIG-welded aircraft-grade aluminum end tanks and a precision furnace-brazed 3-row core. Removing failure-prone O-rings and plastic assemblies guarantees leak-free operation under harsh washboard vibrations and chassis flex. The high-capacity 3-row tube-and-fin design expands coolant fluid capacity and increases external surface contact area, optimizing convective heat dissipation even at low airflow trail speeds while bolting directly to existing OEM fan shrouds and core support mounts.

Technical Specifications

Compatibility

• 1994 Land Rover Defender 90 (3.9L Rover V8 Petrol)
• 1995 Land Rover Defender 90 (3.9L Rover V8 Petrol)
• 1997 Land Rover Defender 90 (4.0L Rover V8 Petrol)
• 1994-1997 Land Rover Defender 110 (3.9L / 4.0L Rover V8 Petrol)

The Land Rover Durability Standard

Engineered for extreme expedition duty, this heavy-duty all-aluminum radiator withstands severe frame flex and high-ambient heat loads during steep ascents, heavy towing, and technical low-range rock crawling without coolant loss.