High Output Alternator for Mitsubishi Outlander Sport (2015-2018) 2.0L 2.4L

High-Output 250A Alternator for 2015-2018 Mitsubishi Outlander Sport (GA2W / GA5W)

What it Does: The 250A High Output Alternator upgrades the factory charging system on the 2015-2018 Mitsubishi Outlander Sport to eliminate low-voltage drops and reliably power high-draw aftermarket electronics.

The Stock Mitsubishi Outlander Sport Charging Weakness

The OEM charging system on the GA2W and GA5W chassis relies on a standard factory unit rated for roughly 100 to 130 amps. While adequate for bare-stock electronics, the OEM diode trio and light-duty internal rectifiers suffer from severe thermal degradation under heavy continuous load. Adding aftermarket amplifiers, high-draw overland lighting, or auxiliary inverters overwhelms the factory setup. At curb idle (around 650–750 RPM), the stock unit cannot sustain target system voltage on the 4B11 or 4B12 engines, dropping below 12.6V, drawing down the battery, and causing electrical brownouts.

The Engineering Solution

Engineered and assembled in the USA, this heavy-duty 250-amp alternator delivers extreme current density within the original mounting footprint. Built with heavy-duty avalanche rectifiers, high-temperature copper stator windings, and low-friction sealed bearings, it resists heat soak and mechanical fatigue. It maintains a stable, regulated 14.4V charging current across the rev range, direct-bolting into factory mounting ears and aligning directly with your OEM accessory serpentine belt path with zero bracket modifications.

What's Included

• 1 x 250A High Output Alternator

Technical Specifications

Compatibility

• 2015-2018 Mitsubishi Outlander Sport 2.0L (Engine: 4B11)
• 2015-2018 Mitsubishi Outlander Sport 2.4L (Engine: 4B12)

Frequently Asked Questions & Fitment Warnings

Does this fit the GA2W / GA5W Outlander Sport?

Yes, this is a direct bolt-in replacement for the 2015-2018 Mitsubishi Outlander Sport equipped with the 4B11 2.0L or 4B12 2.4L 4-cylinder engines.

Do I need to upgrade my charging cables with this 250A alternator?

Yes, running a 0-gauge or 4-gauge "Big 3" battery ground and positive cable upgrade is strongly recommended to safely carry 250 amps without line resistance.

The Mitsubishi Reliability Standard

Designed for demanding electrical setups, this alternator delivers dependable DC voltage stability and steady amperage to protect sensitive MIVEC powertrain sensors and high-draw aftermarket gear.