High Output Alternator for Land Rover Range Rover (1987-1988) 3.5L

High-Capacity 110-Amp Alternator for 1987-1988 Land Rover Range Rover (Classic)

What it Does: The high output alternator replaces the low-output factory charging unit on the 1987-1988 Land Rover Range Rover to deliver a sustained 110 amps, stabilizing primary system voltage and eliminating battery drain under high electrical load.

The Stock Land Rover Range Rover Charging Deficit

Factory Classic Range Rovers equipped with the Rover V8 3.5L came fitted with low-output 65-amp Lucas alternators. These units suffer from high internal thermal resistance and inadequate low-RPM stator current. When modern electrical demands—such as auxiliary off-road lighting, high-draw ignition components, HVAC blowers, or recovery winches—are added, the stock unit suffers severe voltage drop at idle. This prolonged current starvation overheats factory diode bridges, burns out the internal voltage regulator, and leaves dual-battery or deep-cycle systems critically undercharged.

The Engineering Solution

Engineered and manufactured in the USA, this upgraded 110-amp alternator features precision-wound, heavy-gauge copper stators and high-temperature avalanche diodes pressed into dual heat sinks to combat underhood heat soak. A heavy-duty internal solid-state regulator maintains a flat 14.2V–14.6V charging curve even under high ambient engine bay temperatures. The precision-balanced rotor prevents high-RPM harmonic vibration, ensuring consistent current delivery across technical low-idle crawls and sustained highway cruising.

What's Included

• 1 High Output 110-Amp Alternator

Technical Specifications

Compatibility

• 1987 Land Rover Range Rover Base 3.5L V8
• 1988 Land Rover Range Rover Base 3.5L V8

Frequently Asked Questions & Fitment Warnings

Does this fit the Classic Range Rover?

Yes, this is a direct fit for the 1987-1988 Land Rover Range Rover equipped with the Rover V8 3.5L engine.

Should I upgrade the main battery charge lead with this 110A unit?

Yes, upgrading the primary B+ charge cable to a dedicated 4-gauge wire with proper fusing is highly recommended to safely conduct the increased 110-amp current to the battery without voltage drop.

The Land Rover Durability Standard

Built to withstand harsh overland environments, this unit delivers uninterrupted charging stability, preventing electronic ignition cutouts and powering expedition accessories without compromising the vehicle's electrical harness.