ACURA 4MR4JAA000 Automatic Transmission Gear Box 2.4L 69K

( Manufacturer Part Number: 4MR4JAA000 ), ( Type: Automatic Transmission ), ( Oe/oem Part Number: M4ja1502452 / M4ja-1502452 / M4ja 1502452 ), ( Vintage Part: No )

Review ACURA 2.4l Speed Automatic Transmission Gear Box 69k Oem fits ILX FWD 2016–2021

The **Acura ILX (2016 2021) 2.4L FWD with the 4MR4JA-A00 automatic transmission** represents a refined blend of Japanese engineering precision and American-inspired luxury, delivering a compelling blend of comfort, efficiency, and driving dynamics for the modern urban and highway commuter. Powered by a **2.4-liter naturally aspirated inline-four engine (K24Z7)**, this four-cylinder unit is a masterclass in balance, producing a smooth yet engaging **180 horsepower and 161 lb-ft of torque**, which is seamlessly transferred through a **6-speed automatic transmission (4MR4JA-A00)** a transmission known for its crisp shifts, quiet operation, and reliability. The 4MR4JA-A00 is a refined evolution of Honda s proven gearbox technology, featuring a **torque converter with a lock-up clutch** that enhances fuel efficiency and reduces transmission lag, particularly at highway speeds. Its robust construction ensures durability, while the **dual-clutch-like shift quality** (via Honda s Multi-Mode Drive system) provides a near-instantaneous response when transitioning between gears, making the driving experience feel both effortless and engaging.

Designed with the **Acura ILX s signature blend of sporty handling and plush ride quality**, the 4MR4JA-A00 transmission works in tandem with the vehicle s **front-wheel-drive layout and MacPherson strut suspension** to deliver a well-balanced driving experience. The transmission s **smooth, progressive shift feel** ensures that whether you re navigating city streets, merging onto highways, or cruising at consistent speeds, the power delivery remains fluid and predictable. The **4MR4JA-A00 s adaptive shift logic** also contributes to improved fuel economy, making it an ideal choice for those seeking efficiency without sacrificing performance. Under the hood, the **2.4L engine** is paired with Honda s **i-VTEC variable valve timing system**, which optimizes airflow for both low-end torque and high-revving responsiveness, ensuring that the ILX remains spirited yet refined across the RPM range.

One of the standout features of this transmission is its **low maintenance requirements**, a hallmark of Honda s reliability-focused engineering. The **4MR4JA-A00** is designed for longevity, with a **durable planetary gear set, reinforced synchronizers, and a robust torque converter** that minimizes wear over time. Unlike some of its competitors, this transmission does not require frequent fluid changes under normal driving conditions, though Acura recommends following the **maintenance schedule** to extend its lifespan. The **ATF (automatic transmission fluid) used in this system** is specifically formulated to withstand the demands of modern driving, including stop-and-go traffic and high-speed cruising, ensuring consistent performance year after year.

For enthusiasts and everyday drivers alike, the **2016 2021 Acura ILX with the 4MR4JA-A00 transmission** offers a compelling package of **sophistication, practicality, and driving enjoyment**. The transmission s **quiet operation and smooth power delivery** make it an excellent choice for those who prioritize comfort, while its **responsive shifts and robust construction** appeal to those who appreciate a well-engineered automatic gearbox. Whether used in a **standard ILX, the sport-tuned Type S, or the luxury-oriented ILX Premium**, this transmission ensures that every journey is characterized by **effortless refinement and dependable performance**. With its **proven track record in Honda s lineup**, the **4MR4JA-A00** remains a dependable and understated hero in the Acura ILX s powertrain lineup, embodying the brand s commitment to **precision, durability, and driver-centric design**.

### **Pros and Cons of Buying a 2016-2021 Acura ILX (4MR4JA-A00 2.4L FWD Automatic Transmission)**

1. **Reliability and Build Quality** The Acura ILX is known for its solid construction, with a well-engineered 2.4L engine (K24) that is durable if maintained properly. The 4MR4JA automatic transmission is a proven Honda/Acura unit, known for longevity when serviced correctly.

2. **Comfortable and Refined Ride** The ILX offers a smooth, quiet cabin with good sound insulation, making it ideal for daily commuting or highway driving. The front-wheel-drive layout provides a balanced, stable feel.

3. **Fuel Efficiency** The 2.4L engine delivers decent fuel economy, averaging around **22-25 MPG combined**, which is competitive for its class. The automatic transmission shifts smoothly, contributing to efficient power delivery.

4. **Affordable Maintenance Costs** Compared to luxury brands, the ILX has relatively low repair and upkeep costs. Common parts like belts, hoses, and filters are inexpensive, and the engine is straightforward to work on.

5. **Good Resale Value** Acura maintains strong resale retention, meaning you won t lose as much value over time compared to some domestic or budget brands.

6. **Tech and Safety Features** Later models (2018 ) include standard features like **Apple CarPlay/Android Auto, a 7-inch touchscreen, blind-spot monitoring, and rear cross-traffic alert**, which enhance usability and safety.

7. **Low Depreciation** The ILX holds its value better than many competitors, making it a smart long-term purchase.

8. **Simple and Reliable Transmission** The 4MR4JA is a robust automatic transmission with few reported issues if fluids are changed regularly. It s less prone to major failures compared to some older automatics.

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1. **Underpowered Engine** The 2.4L naturally aspirated engine (180-185 hp) feels weak for a midsize sedan, especially when towing or accelerating from a stop. It lacks the punch of turbocharged or V6 alternatives.

2. **Noisy Cabin at High Speeds** Some owners report increased road noise at highway speeds, particularly in the rear seats, though this varies by model year and trim.

3. **Basic Interior Materials** While functional, the interior plastics and trim feel more utilitarian than premium, lacking the refined touches found in higher-end Acuras (e.g., TLX, MDX).

4. **Limited Aftermarket Support** Compared to Honda Civics or Toyota Camrys, the ILX has fewer aftermarket parts and tuning options, which may be a drawback for enthusiasts.

5. **Rear Seat Space** The rear seats are narrow and not as spacious as competitors like the Honda Accord or Mazda6, making long trips less comfortable for three adults.

6. **Transmission Issues (If Neglected)** While the 4MR4JA is reliable, **delayed fluid changes** can lead to rough shifting or transmission failure. Always verify service history.

7. **No Available AWD Option** The ILX is strictly front-wheel drive, which can be a drawback in snowy or off-road conditions compared to AWD-equipped rivals.

8. **Outdated Styling (Pre-2018 Models)** Earlier ILX models (2016-2017) have a dated, boxy appearance that may not appeal to buyers seeking a more modern look.

---

### **Recommendation**

The **2016-2021 Acura ILX (2.4L FWD, 4MR4JA transmission)** is a **solid, practical choice** for buyers who prioritize **reliability, fuel efficiency, and low maintenance costs** over performance or luxury. It excels as a **daily driver, commuter car, or budget-friendly Acura** that still carries prestige.

- Buyers who want a **quiet, comfortable, and dependable** sedan without breaking the bank.

- Those who prefer **Honda/Acura s reputation for longevity** over sporty handling or turbocharged power.

- People who **prioritize resale value and low depreciation** over cutting-edge tech or premium interiors.

- If you need **more power or towing capacity**, the ILX s engine may feel underwhelming.

- The **interior feels basic**, and the **rear seats are tight** for larger passengers.

- **Transmission maintenance is critical** always check fluid history before purchasing.

If you find a **well-maintained 2018 model** (with updated tech and slightly refined styling) and verify that the **transmission fluid has been changed regularly**, the **Acura ILX is an excellent buy**. It s a **smart, no-frills sedan** that delivers **Honda/Acura reliability at a reasonable price**.

For buyers who want **more power or luxury**, consider a **2018 Acura TLX (2.0T or 3.0 V6)** or a **Toyota Camry Hybrid**. However, if **practicality, value, and simplicity** are your priorities, the ILX remains a **strong and sensible choice**.

Details:

MILEAGE: 69K MILES. TRANSMISSION: 8-SPEED DUAL CLUTCH AUTOMATIC TRANSMISSION M4JA. DONOR VEHICLE: 2021 ACURA ILX. BODY TYPE: BASE SEDAN 4-DOOR.

part #: 4mr4jaa000 price

• $517.44

specifications autotransmissionsgo:

• for models: Ilx, Fwd
• for makes: Acura
• for years: 2016-2021
• mpn: 4mr4jaa000
• type: Automatic Transmission
• oe/oem part number: M4ja1502452 / M4ja-1502452 / M4ja 1502452
• vintage part: No

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

offer autotransmissionsgo:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: March 4, 2026
• best offers: True

payments autotransmissionsgo:

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

seller autotransmissionsgo:

• city: Traverse City, Michigan
• # reviews: 47559
• rating: 99.9%

shipping autotransmissionsgo:

• service: Economy
• transit: 3-8 Days
• class: Economy
• cost: $350.00
• type: Fixed

returns autotransmissionsgo:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

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