MITSUBISHI ST1AD2-V Plc Modules

( Brand: Mitsubishi ), ( Manufacturer Part Number: ST1AD2-V ), ( Part Type: Module )

Review MITSUBISHI St1ad2v Used

The **Mitsubishi ST1AD2-V** and **ST1AD2V** are high-efficiency, inverter-driven air conditioning units designed to deliver superior comfort, energy savings, and advanced smart functionality for both residential and light commercial spaces. Part of Mitsubishi Electric s **Hi-Wall** series, these models combine cutting-edge inverter technology with a sleek, space-saving wall-mounted design, making them ideal for modern interiors where aesthetics and performance go hand in hand. The **ST1AD2-V** and **ST1AD2V** feature a **24,000 BTU** cooling capacity, perfectly suited for medium-sized rooms such as bedrooms, living rooms, or small offices, ensuring consistent temperature control without the energy waste of traditional on-off cycling systems. At the heart of these units lies Mitsubishi s **inverter compressor**, which adjusts motor speed in real time to maintain precise temperature settings while significantly reducing power consumption often by up to **30% compared to conventional systems**. This not only lowers utility bills but also extends the lifespan of the unit by minimizing mechanical stress.

Beyond energy efficiency, the **ST1AD2-V** and **ST1AD2V** incorporate **Mitsubishi s advanced i-Seer technology**, which enhances indoor air quality by integrating a **built-in air purification system** that captures dust, pollen, and airborne allergens. The **dehumidification function** is particularly effective in humid climates, preventing that clammy, uncomfortable feeling while maintaining optimal humidity levels for comfort and even preserving wooden furniture or electronics. The units also support **Mitsubishi s Eco Mode**, which automatically adjusts fan speed and cooling output based on occupancy and ambient conditions, further optimizing efficiency. For those who prioritize smart home integration, these models are compatible with **Mitsubishi s i-Remote app**, allowing users to control temperature settings, schedule operation, and monitor energy usage remotely via smartphone or tablet. The sleek, **white or light gray cabinet** blends seamlessly into contemporary decor, while the **silent operation** (as low as **22 dB**) ensures minimal disruption, making it perfect for bedrooms or open-plan living spaces.

Durability and reliability are key features of the **ST1AD2-V** and **ST1AD2V**, with components built to withstand years of use. The **copper heat exchanger** ensures superior heat transfer efficiency, while the **high-grade insulation** prevents refrigerant leaks, maintaining performance over time. Mitsubishi s reputation for longevity is backed by a **5-year parts warranty** (varies by region) and robust construction, including corrosion-resistant materials that handle varying humidity levels without degradation. Installation flexibility is another standout aspect, as these units can be mounted in **horizontal or vertical orientations**, accommodating diverse architectural layouts. Whether paired with a **dual inverter outdoor unit** for multi-room systems or used as a standalone solution, the **ST1AD2-V** and **ST1AD2V** deliver a harmonious blend of performance, innovation, and quiet operation, making them a premium choice for those seeking both comfort and smart technology in their home or workspace.

### **Pros and Cons of Buying a Mitsubishi St1AD2-V (St1AD2V) Engine**

The **Mitsubishi St1AD2-V** is a 2.0-liter turbocharged inline-four engine introduced in 2016, primarily used in the **Mitsubishi Lancer Evolution X** and **Mitsubishi Eclipse Cross (in some markets)**. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros of the Mitsubishi St1AD2-V**

1. **High Performance and Power Output**

- Produces **240 260 horsepower** (depending on tuning and market specifications) with **260 280 lb-ft of torque**, making it one of Mitsubishi s most powerful naturally aspirated or turbocharged engines in its class.

- The turbocharger provides a strong low-to-mid-range boost, improving acceleration and drivability compared to naturally aspirated engines.

- Well-suited for **high-performance tuning**, including forced induction upgrades, making it a favorite among enthusiasts.

2. **Durability and Reliability (When Maintained Properly)**

- The **2.0L turbocharged inline-four** is a refined version of Mitsubishi s older **2.0L turbo engines** (e.g., St1AD2), which were known for longevity with proper maintenance.

- The **direct injection system** (unlike port injection in older models) reduces carbon buildup on intake valves, improving long-term reliability.

- The **turbocharger** is a **single-scroll Garrett GT1750** (in most cases), which is a robust unit when kept clean and properly supported by oil and cooling systems.

3. **Good Fuel Economy for a Turbocharged Engine**

- Compared to other turbocharged 2.0L engines in its class (e.g., Ford EcoBoost, Toyota 2.0T), the St1AD2-V offers **decent fuel efficiency** around **20 25 MPG in the city** and **25 30 MPG on the highway** when driven normally.

- The **lightweight design** (especially in the Lancer Evolution X) helps offset some of the turbocharged engine s thirst.

4. **Aftermarket Support and Tuning Potential**

- One of the **best-supported engines** in Mitsubishi s lineup for tuning.

- **Stage 1 3 tuning** is widely available, with power gains reaching **300 HP and 300 lb-ft of torque** with proper cooling and fueling upgrades.

- **Common rail direct injection (CRDI)** allows for precise fuel delivery, making it easier to tune compared to port-injected engines.

- **Wide-body intake manifolds, upgraded turbos (e.g., Garrett GT2870), and upgraded intercoolers** are readily available.

5. **Lightweight and Sporty Platform (In Lancer Evolution X)**

- The **Evolution X** chassis is a **high-performance hot hatch**, with a **low center of gravity** and **aggressive suspension tuning**, making it a fun car to drive.

- The **manual transmission option** (in some markets) enhances driver engagement.

6. **Lower Cost Compared to Competitors**

- The **St1AD2-V** is **cheaper to buy and maintain** than some competitors (e.g., Ford EcoBoost, Toyota 2.0T) in the used market.

- **Parts and labor costs** are generally reasonable, though specialized turbocharged engine work may require a skilled mechanic.

7. **Good for Daily Driving (If Not Over-Tuned)**

- The **Evolution X** is **comfortable for daily use**, with a **smooth turbo response** that makes it enjoyable rather than harsh.

- The **18-inch wheels and sport-tuned suspension** provide a **balanced driving experience** aggressive but not overly rough.

---

### **Cons of the Mitsubishi St1AD2-V**

1. **Potential for Turbocharger and Oil System Issues**

- **Oil consumption** can be an issue in some units, especially if the **PCV system is clogged** or the **turbo is not properly lubricated**.

- **Turbo failure** is a known risk if the engine is **over-tuned without proper cooling and oil support** (e.g., upgraded oil cooler, high-flow oil pump).

- **Carbon buildup** on intake valves can occur if the engine is **not driven regularly** or if the **valve cover gasket leaks oil**, leading to carbon fouling.

2. **Direct Injection Can Cause Long-Term Problems**

- **Direct injection** can lead to **carbon buildup on pistons and valves** if the engine is **not driven hard enough** (e.g., short trips, city driving).

- **Fuel system issues** (e.g., clogged injectors, failed fuel pump) can develop over time if maintenance is neglected.

- **Head gasket failures** have been reported in some cases, though they are **less common** than in older Mitsubishi engines.

3. **Weakness in Cooling System**

- The **radiator and cooling system** can **struggle under heavy tuning**, leading to **overheating** if not upgraded (e.g., **larger radiator, electric fan, upgraded thermostat**).

- The **oil cooler** is **small and easily overwhelmed** when pushing power beyond stock levels.

4. **Transmission Issues (In Some Models)**

- The **6-speed manual transmission** (in Evolution X) is **robust but can be finicky** if not maintained properly.

- The **automatic transmission (in Eclipse Cross)** has had **reliability concerns**, including **slippage and rough shifting**, though this is more transmission-related than engine-specific.

5. **Limited Real-World Longevity Without Maintenance**

- Like many turbocharged engines, the **St1AD2-V requires regular maintenance** (oil changes every **5,000 7,500 miles**, turbo cleaning, fuel system flushes).

- **Neglecting maintenance** (e.g., not changing oil, ignoring turbo symptoms) can lead to **premature failure** of the turbo, injectors, or head gaskets.

6. **Resale Value is Low**

- Mitsubishi s **resale value is poor** compared to competitors like **Subaru, Honda, or Toyota**, meaning the **Evolution X loses value quickly**.

- The **St1AD2-V is not as widely sought after** as older **2.0L NA (St1AD2) engines** in the tuning community, which can make selling a modified version difficult.

7. **Electrical and Software Quirks**

- Some **Evolution X models** have had **ECU glitches**, particularly with **turbo boost control** and **fuel trims**.

- **OBD-II codes** (e.g., P0010, P0011 for camshaft timing) can appear if the **valvetronic system (variable intake manifold) fails**, though this is not engine-specific.

8. **Not as Refined as Competitors in Daily Use**

- While the **Evolution X is fun**, it is **not as smooth or quiet** as some competitors (e.g., **Subaru WRX STI, Ford Focus ST**).

- The **turbo lag** (though minimal) and **engine noise** can be more noticeable than in naturally aspirated engines.

---

### **Conclusion**

The **Mitsubishi St1AD2-V** is a **strong, tunable, and capable engine** that excels in **high-performance applications**, particularly in the **Lancer Evolution X**. It offers **good power, decent fuel economy for a turbocharged engine, and excellent aftermarket support**, making it a **great choice for enthusiasts** who plan to **modify and tune** their vehicle.

However, it is **not without weaknesses**. **Turbocharger reliability, cooling system limitations, and the need for meticulous maintenance** are key concerns. If **properly maintained and tuned responsibly**, this engine can last **150,000 200,000 miles**, but **neglect will lead to costly failures**.

For **daily driving without tuning**, the **St1AD2-V is a solid but not exceptional** choice it s **fun but not as refined** as some competitors. If you **prioritize performance, tuning potential, and enjoy Mitsubishi s unique engineering**, this engine is worth considering. If you **prefer reliability and low maintenance**, a **naturally aspirated or diesel alternative** (e.g., **Subaru 2.5L NA, Toyota 2.0D**) may be a better fit.

---

### **Final Recommendation**

You **plan to tune and modify** the engine (Stage 1 3).

You **prefer Mitsubishi s driving dynamics** (lightweight, sporty, manual option).

You are **willing to invest in maintenance** (oil changes, turbo care, cooling upgrades).

You **don t mind lower resale value** and are buying for **performance, not long-term reliability**.

You **don t plan to tune it** and want a **reliable, low-maintenance daily driver**.

Details:

Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

MITSUBISHI ST1AD2-V / ST1AD2V USED ANALOG I/O MODULE, 2 INPUTS ANALOG -10/10VDC, 12-BIT, PLUG-IN MOUNTED.

part #: st1ad2 prices

• $150.00-$585.99

specifications sensoindustria:

• brand: Mitsubishi
• mpn: St1ad2-v
• part type: Module

offer sensoindustria:

• options: Ship-to-home
• started: April 25, 2026
• sold: 0
• availability: In Stock
• quantity: 1

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

returns sensoindustria:

• method: Money back
• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

seller sensoindustria:

• rating: 99.6%
• # reviews: 2010 30
• city: 1 Millennium Dr, Willingboro, NJ 08046

payments sensoindustria:

• credit card: Mastercard
• wallet: Google-pay
• other

shipping sensoindustria:

• cost: $12.90
• service: Standard
• type: Fixed
• transit: 24-38 Days
• class: Standard

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