Here’s a clear description of the alternator used on a Lexus NX200t (DBA-AGZ15) with the 8AR-FTS 2.0-litre turbo engine:

🔌 Alternator Overview for Lexus NX200t (AGZ15, 8AR-FTS)

🧰 Basic Function

The alternator (also called a generator or dynamo) on your NX200t is a 12-volt electrical generator that:

• Charges the battery while the engine is running.
• Supplies electrical power to lights, infotainment, engine ECU, sensors, and other electronic systems.
• Works whenever the engine is running to keep the electrical system topped up and stable.  

⚙️ Typical Specs and Details

✔️ Voltage: 12 V (standard automotive)

✔️ Output: ~150 A (amps) — typical for the OEM unit used on this model and directly supports multiple electrical systems and charging needs. 

✔️ Includes: Built-in voltage regulator (stabilizes the output)

✔️ Part numbers commonly seen:

• OEM: 27060-36100 — original alternator assembly w/ regulator  
• Updated/Replacement: 27060-36101 — replacement version of the same alternator  

✔️ Manufacturer: Typically Denso (a common OEM supplier for Toyota/Lexus electrical components) 

📦 Typical Features

• Internal regulator – no separate external box needed.
• Belt-driven pulley – spins with engine via the accessory drive belt.
• Output designed to match vehicle electrical load (lights, HVAC, stereo, ECU, etc.).
• Plug & mounting specific to 8AR-FTS engine layout and Lexus accessory bracket.

🛠️ Physical & Replacement Options

Here are some actual alternator parts that fit the Lexus NX200t with the 8AR-FTS engine: