High Output Alternator for Scion xA xB (2004-2006) 1.5L

High-Output 200 Amp Alternator for 2004-2006 Scion xA, xB (XP30 / XP60)

What it Does: The 200 Amp High Output Alternator replaces the low-output factory charging unit on the 2004-2006 Scion xA and xB to eliminate voltage drop and deliver consistent electrical current under high-draw accessory loads.

The Stock Scion xA, xB Factory Charging Limitation

Factory-equipped 2004-2006 Scion models run an OEM Denso alternator rated at a nominal 80 amps. On the 1NZ-FE platform, this low amperage capacity quickly becomes a bottleneck when running aftermarket audio systems, auxiliary lighting, or additional electronics. Under load at idle, the stock unit suffers from internal thermal saturation and significant voltage dip, causing headlights to dim, ignition coil dwell times to fluctuate, and premature battery degradation.

The Engineering Solution

Engineered as a direct bolt-on upgrade, this 200A unit utilizes precision-wound, heavy-gauge copper stators and high-temperature internal rectifiers to maximize amperage delivery across the entire RPM range. Featuring heavy-duty avalanche diodes and an upgraded internal voltage regulator, the assembly controls heat dissipation far more effectively than stock components. It drops directly into the OEM 1NZ-FE brackets and directly interchanges with factory part numbers 27060-21020 and 27060-21140 without requiring bracket alterations.

What's Included

• 1x 200 Amp High Output Alternator

Technical Specifications

Compatibility

• 2004 Scion xA Base 1.5L L4 (1NZ-FE)
• 2005 Scion xA Base 1.5L L4 (1NZ-FE)
• 2006 Scion xA Base 1.5L L4 (1NZ-FE)
• 2004 Scion xB Base 1.5L L4 (1NZ-FE)
• 2005 Scion xB Base 1.5L L4 (1NZ-FE)
• 2006 Scion xB Base 1.5L L4 (1NZ-FE)

Frequently Asked Questions & Fitment Warnings

Does this fit the XP30 and XP60 xA, xB?

Yes, this is a direct fit for the 2004-2006 Scion xA (XP60) and xB (XP30) equipped with the 1.5L 1NZ-FE engine.

Do I need to upgrade my main charging cables?

A 1/0 or 4-gauge "Big 3" wiring upgrade is strongly recommended to handle the increased 200-amp capacity without bottlenecking electrical flow through factory grounding lines.

The Scion JDM Standard

Engineered for tuned sport compacts, this high-output alternator provides the clean, stable rail voltage required to sustain demanding engine management systems, ignition amplifiers, and high-wattage sound setups under continuous load.