LEXUS 53A011-3M15718 Transmission Torque Converter UZJ100L A750F

( Part Type: Torque Transmission Converter ), ( Ipn: 53a011-3m15718 ), ( Manufacturer Warranty: 3 Months ), ( Country Of Origin: United States )

Review LEXUS Transmission Torque Converter fits LX470 2003–2007

The **Lexus 53A011-3M15718 Transmission Torque Converter** is a precision-engineered component designed exclusively for the **UZJ100L platform**, which underpins the iconic **Lexus LX470** and its luxury SUV derivatives, including the **Lexus LX570** and select high-end Toyota Land Cruiser variants produced between **2003 and 2007**. This torque converter is a critical element of the **A750F 5-speed automatic transmission**, serving as the hydraulic interface between the engine and the transmission, enabling seamless power transfer while optimizing efficiency and performance. Crafted from high-grade materials, including a **stamped aluminum housing** and a **multi-plate clutch assembly**, this torque converter is engineered to withstand the demanding demands of Lexus s legendary **3UZ-FE V8 engine**, producing up to **380 400 horsepower** in its most powerful configurations. Its **stator and pump assembly** are meticulously balanced to minimize vibration and maximize torque multiplication, ensuring smooth acceleration and responsive driving dynamics even under heavy loads, such as towing or off-road conditions. The **3M15718** designation indicates a specific revision level, often incorporating refinements in fluid dynamics and wear resistance to enhance longevity, particularly in applications where the vehicle operates in extreme temperatures or rugged environments. Whether restoring a classic LX470 to factory specifications or upgrading an existing transmission, this torque converter is a direct-fit replacement, maintaining the original vehicle s performance characteristics while adhering to Lexus s rigorous standards for reliability and durability. Its compatibility extends beyond the LX470, making it a sought-after part for enthusiasts and mechanics specializing in **UZJ100L-based luxury SUVs**, ensuring a perfect match in both fit and function.

### **Pros and Cons of Buying a 2003-2007 Lexus LX470 (UZJ100L) with the 53A011-3M15718 7-Speed Automatic Transmission (A750F Torque Converter)**

#### **Pros**

1. **Luxury and Comfort**

The LX470 is a full-size luxury SUV known for its refined cabin, high-quality materials, and spacious interior. It offers a premium driving experience with quiet operation, smooth ride quality, and excellent sound insulation.

2. **Strong V8 Engine (4.7L 2UR-FE)**

The 4.7L V8 produces **306 horsepower and 302 lb-ft of torque**, providing ample power for highway cruising and towing (up to **5,000 lbs** with the proper hitch). The engine is reliable if maintained properly and has a reputation for longevity.

3. **7-Speed Automatic Transmission (A750F) Advantages**

- **Smooth Shifting:** The 7-speed automatic is generally well-regarded for its smooth operation compared to older 4-speed or 5-speed automatics.

- **Better Fuel Efficiency Than a Manual:** While not a hybrid, the transmission helps optimize power delivery, improving efficiency over a traditional 4-speed.

- **Modern for Its Time:** When introduced, this transmission was an upgrade from Lexus s previous 4-speed automatics, offering better gear ratios for towing and highway driving.

4. **Reliability of Lexus Brand**

Lexus vehicles are known for durability, especially when maintained with proper service intervals. The LX470 s drivetrain components (engine, transmission, and transfer case) are robust if kept in good condition.

5. **Off-Road Capability (Optional 4WD)**

The LX470 offers a **part-time 4WD system**, making it capable of light off-roading, snow driving, and rough terrain better than many luxury SUVs of its class.

6. **Resale Value (Compared to Competitors)**

While not as high as newer Lexus models, the LX470 holds its value better than many luxury SUVs from the same era, especially if well-maintained.

7. **Spacious and Practical**

The LX470 offers **seven seats (optional third row)**, a large cargo area, and a comfortable ride, making it practical for families or those needing extra space.

---

#### **Cons**

1. **Transmission Issues (Common with A750F in LX470)**

- **Slipping or Hesitation:** Many owners report **transmission slipping, rough shifting, or delayed engagement**, particularly in cold weather or under load.

- **Torque Converter Problems:** The **A750F torque converter** is known for failing, leading to **hard shifting, overheating, or complete transmission failure**. Replacement converters can be expensive.

- **Electronic Gremlins:** Some units suffer from **sensor or solenoid failures**, requiring costly diagnostics and repairs.

- **Lack of Modern Upgrades:** Unlike newer Lexus transmissions (e.g., the 8-speed in later models), the A750F lacks advanced shift logic and is more prone to wear over time.

2. **High Maintenance Costs**

- **Expensive Repairs:** Lexus dealership labor rates are high, and transmission rebuilds or replacements can cost **$3,000 $6,000 **.

- **Consumable Wear:** The 7-speed automatic has more components than a 4-speed, leading to higher failure rates over time.

- **Torque Converter Replacement:** A failed converter can cost **$1,500 $3,000** installed, and this is a common failure point.

3. **Fuel Economy Limitations**

- The **V8 engine is thirsty**, averaging **14 16 MPG combined** (worse in stop-and-go traffic).

- No hybrid option exists for this model, unlike later Lexus SUVs.

4. **Rust and Structural Concerns**

- Some **2003 2007 LX470s** (especially in snowy regions) suffer from **underbody rust**, particularly on the **subframe and rear differential**.

- **Body panel rust** (e.g., rocker panels, wheel wells) can be an issue if the vehicle was not stored properly.

5. **Outdated Safety Features**

- No **standard stability control** (added in later years).

- **Basic safety tech** compared to modern luxury SUVs (no blind-spot monitoring, lane-keeping assist, etc.).

- **Airbag recalls** (some models had issues with supplemental restraint systems).

6. **Discontinued Model Limited Support**

- Lexus **discontinued the LX470 in 2007**, meaning **no new parts or warranty coverage** for older issues.

- **Aftermarket parts** may be available, but quality and fit can vary.

7. **Towing and Hauling Limitations**

- While capable of **5,000 lbs**, the **A750F transmission is not ideal for heavy towing** long-term due to heat buildup and stress on the torque converter.

- Some owners report **transmission overheating** when towing heavy loads.

8. **Depreciation and Market Demand**

- The LX470 is **not a highly sought-after used luxury SUV** compared to newer Lexus models (e.g., RX, GX, or LS).

- **Lower resale value** than competitors like the Cadillac Escalade or Lincoln Navigator of the same era.

---

### **Ending Conclusion**

The **2003 2007 Lexus LX470 with the A750F 7-speed automatic transmission** is a **capable, luxurious SUV** that excels in comfort, power, and off-road capability. However, **transmission reliability is its biggest weakness**, particularly the **torque converter and overall durability**. If well-maintained with **regular transmission fluid changes and prompt repairs**, it can be a **solid long-term vehicle** for those who prioritize comfort and space over fuel efficiency.

- **Transmission history** (has it been rebuilt? Any slipping or overheating issues?)

- **Torque converter condition** (a failed converter is a major repair)

- **Rust inspection** (especially undercarriage and body panels)

- **Maintenance records** (oil changes, fluid services, and past repairs)

If you **find a well-documented example with a clean transmission history and no major rust**, it can be a **great value** for a used luxury SUV. However, if the transmission has **history of issues**, the **cost of repairs may outweigh the vehicle s value**.

---

### **Recommendation**

- You **prioritize comfort, space, and luxury** over fuel efficiency.

- You **find a vehicle with a documented transmission rebuild** (preferably by a Lexus specialist).

- You **plan to drive it gently** (not heavy towing or extreme off-roading).

- You **budget for potential transmission repairs** (expect **$2,000 $5,000 ** if issues arise).

- You **cannot afford transmission repairs** (this is the most likely major failure).

- You **need better fuel economy** (a hybrid or diesel SUV would be more efficient).

- You **want a modern luxury SUV** with advanced safety and tech features.

- The **vehicle has rust damage** or lacks proper maintenance records.

- **2007 Lexus GX (with 8-speed automatic)** More modern transmission, better fuel economy.

- **Used Cadillac Escalade (2007 2013)** Similar size, but check transmission reliability.

- **Toyota Land Cruiser (2007 )** More off-road capable, but less luxury.

**Final Verdict:** The **LX470 is a great luxury SUV for the right buyer**, but **transmission reliability must be a top priority**. If you find a **well-maintained example with a clean transmission history**, it can be a **fantastic long-term vehicle**. Otherwise, consider newer or more modern alternatives.

Details:

Any compatibility information shown in the listing is for reference only and does not guarantee fitment.Please verify fitment by part number whenever possible. Please double-check fitment before purchase. Please review all photos carefully. MILEAGE: 268,314.

Compatibility information is for reference only and does not guarantee fitment. Donor Vehicle: 2004 Lexus LX470 UZJ100L. Direct phone number. Compatibility and Fitment.

All used parts have been previously installed and may show normal wear from age use. TRANSMISSION: AT AUTO A750F. The part may not fit some listed vehicles depending on trim, options, or production date. Full name of the receiving person.

ENGINE: 4.7L 2UZFE 4WD.

part #: 53a011-3m15718 prices

• $284.58-$406.99

specifications torquconv:

• for models: Lx470
• for makes: Lexus
• for years: 2003-2007
• part type: Torque Transmission Converter
• ipn: 53a011-3m15718
• manufacturer warranty: 3 Months
• country of origin: United States

payments torquconv:

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

offer torquconv:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: April 6, 2026
• quantity: 1
• best offers: True

shipping torquconv:

• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• cost: $0.00
• carrier: UPS
• type: Calculated
• class: Standard, Expedited, One-day
• transit: 3-8 Days

returns torquconv:

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

seller torquconv:

• # reviews: 5763
• city: New Brunswick, New Jersey
• rating: 99.7%

general torquconv:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Torque Converters

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