LEXUS A080A-3B06186 Transmission Torque Converter UZZ40L A650E 104K

( Part Type: Torque Transmission Converter ), ( Ipn: A080a-3b06186 ), ( Manufacturer Warranty: 3 Months )

Review LEXUS Transmission Torque Converter 104k Miles Oem fits SC430 2002–2005

The **Lexus A080A-3B06186 (UZZ40L SC430 A650E) Transmission Torque Converter** is a high-performance, precision-engineered component designed exclusively for Lexus s 4.3-liter V8 (SC430) and 6.0-liter V8 (A650E) models, specifically those equipped with the UZZ40L automatic transmission, spanning the 2002 to 2005 model years. This torque converter is a critical element of the powertrain system, serving as the intermediary between the engine s crankshaft and the transmission s turbine, enabling seamless power transfer while optimizing efficiency, responsiveness, and drivability. Crafted from durable materials including high-grade aluminum and reinforced steel components, the converter is engineered to withstand the intense torque demands of Lexus s powerful V8 engines, which produce anywhere from 300 to over 400 horsepower depending on the model and tuning. Its robust design incorporates a multi-plate clutch assembly, a robust stator, and a precisely balanced impeller, all of which work in unison to enhance acceleration, reduce stall speed, and minimize fluid slippage key factors in maintaining the sporty yet refined performance for which Lexus vehicles are renowned.

The **A080A-3B06186** converter is particularly notable for its compatibility with the **UZZ40L transmission**, a robust 4-speed automatic gearbox known for its smooth shifting and durability, though it is also frequently paired with aftermarket upgrades such as performance torque converters, larger stators, or high-flow solenoids to further enhance throttle response and towing capacity. The **SC430** and **A650E** engines, which power these Lexus models, are legendary for their reliability and power output, and the torque converter plays a pivotal role in ensuring that this power is delivered efficiently without compromising the vehicle s drivability. The **02-05 production range** of these models often benefits from this converter s ability to handle extended periods of high load, whether during spirited driving, towing heavy trailers, or navigating demanding terrains, all while maintaining optimal fluid circulation to prevent overheating.

Beyond its mechanical robustness, the **A080A-3B06186** converter is designed with attention to detail that reflects Lexus s commitment to quiet, refined operation. The internal components are meticulously balanced to minimize vibration and noise, ensuring a smooth engagement and disengagement of the clutch plates, which is particularly important in luxury vehicles where ride comfort is paramount. The converter s **3B06186** designation indicates a specific variant optimized for the torque characteristics of the Lexus V8 engines, with a stator that maximizes torque multiplication during acceleration while preventing fluid whine a common issue in less refined converters. This attention to acoustic engineering contributes to the overall luxurious driving experience that Lexus owners expect, blending power with elegance.

For enthusiasts and mechanics alike, this torque converter represents a critical upgrade opportunity, especially when paired with performance modifications such as larger stators, high-flow transmission fluid, or even aftermarket converters designed for even greater torque multiplication. Its compatibility with both stock and modified applications makes it a versatile choice for those looking to enhance their Lexus s performance without sacrificing reliability. Whether installed in a daily driver, a towing vehicle, or a high-performance project car, the **A080A-3B06186** converter delivers a balance of strength, efficiency, and precision that aligns perfectly with Lexus s reputation for engineering excellence. Its inclusion in the powertrain ensures that every shift is smooth, every acceleration is responsive, and every drive is an extension of the vehicle s refined and powerful character.

### **Pros and Cons of Buying a Lexus UZ40L SC430 (A080A-3B06186, 2002-2005) with the A650E Transmission and Torque Converter**

#### **Pros**

1. **Reliability of the Lexus UZ40 Engine**

- The UZ40 is a well-regarded V8 engine known for its durability, especially when maintained properly. Many examples with high mileage still run strong with basic upkeep.

- The 4.3L V8 is a robust powerplant, capable of handling heavy loads and long-distance driving when tuned correctly.

2. **Strong Aftermarket Support**

- The UZ40 has a large aftermarket community, meaning parts (especially for the transmission and torque converter) are widely available. Tuning options (like ECU flashing or forced induction) are also common.

- Performance upgrades (e.g., exhaust, intake, suspension) are relatively easy to find and install.

3. **Potential for High Performance**

- With the right modifications (turbocharging, supercharging, or forced induction), the UZ40 can produce significant power gains, making it a popular choice for street and track use.

- The A650E transmission (a 6-speed automatic) is a solid choice for a V8, offering smooth shifting when properly maintained.

4. **Classic Lexus Build Quality**

- Lexus vehicles from this era are known for solid construction, comfortable interiors, and a reputation for longevity compared to some domestic competitors.

- The SC430 (a luxury sedan) retains a premium feel, with good sound insulation and a refined ride.

5. **Potential for Low Cost of Ownership (If Well-Maintained)**

- If the vehicle has been properly serviced (oil changes, transmission fluid flushes, torque converter checks), it can remain reliable without excessive repair costs.

- Parts for the UZ40 and A650E are not extremely expensive, especially compared to newer luxury vehicles.

6. **Modding Flexibility**

- The UZ40 is a favorite among tuners due to its ability to handle forced induction. Stock intercoolers, fuel systems, and engine mounts can be upgraded for better performance.

- The A650E transmission can be modified for quicker shifts or even rebuilt for better durability.

7. **Resale Value for Enthusiasts**

- While not a high-volume market, the UZ40 has a dedicated following. Well-maintained examples with modifications can hold value among performance enthusiasts.

---

#### **Cons**

1. **Transmission and Torque Converter Issues**

- The A650E transmission is known for wear over time, particularly in high-mileage examples. Slipping, rough shifting, or delayed engagement can occur if the transmission fluid hasn t been changed regularly.

- The torque converter (A080A-3B06186) may develop leaks or internal wear, leading to overheating or failure. Converters in this range are not cheap to replace ( $800 $1,500 installed).

- Some owners report that the transmission can be finicky with low fluid levels or degraded fluid, leading to poor performance.

2. **High Mileage Concerns**

- Many UZ40s in this range have 150,000 miles. While the engine itself can last, the transmission, torque converter, and other components (like water pumps, timing chains, and suspension) may require attention.

- Valvetrain wear (valve seals, lifters) can become an issue in high-mileage examples, leading to oil consumption or misfires.

3. **Maintenance Requirements**

- **Transmission fluid changes** (every 30,000 50,000 miles, though many skip this).

- **Torque converter servicing** (flushing or replacement if leaking).

- **Oil changes** (synthetic oil recommended, especially if modifying).

- **Timing chain and water pump checks** (these are critical for longevity).

- Neglecting these can lead to expensive repairs.

4. **Fuel Economy**

- The SC430 is not fuel-efficient by modern standards, averaging around **14 16 MPG combined**. High fuel costs can add up, especially for daily driving.

- Modifications (like forced induction) will further reduce efficiency.

5. **Luxury Wear and Tear**

- The interior of a 2002 2005 Lexus may show signs of aging, such as cracked leather, worn-out seats, or failing electronics (e.g., radio, climate controls).

- Rust can be an issue in snowy or coastal climates, particularly on the undercarriage and wheel wells.

6. **Emissions and Compliance**

- Some states have strict emissions regulations. A UZ40 with modifications (especially forced induction) may fail smog checks in areas with strict OBD-II requirements.

- Stock UZ40s may still pass, but modifications can complicate compliance.

7. **Parts and Labor Costs**

- While parts are available, labor costs for transmission or engine work can be high, especially if requiring a shop with experience in Lexus V8s.

- The torque converter alone is a significant expense if it fails.

8. **Potential for Hidden Problems**

- **Leaking oil pans or gaskets** (common in high-mileage UZ40s).

- **Failed water pumps** (timing chain-driven, often a $500 repair).

- **Suspension wear** (ball joints, bushings, shocks).

- **Electrical gremlins** (alternator, sensors, wiring harnesses).

---

### **Ending Conclusion**

Buying a **2002 2005 Lexus SC430 (UZ40L) with the A650E transmission and A080A-3B06186 torque converter** can be a rewarding experience for the right buyer particularly those who:

- **Value reliability and modding potential** over modern convenience.

- **Are prepared for maintenance** (transmission fluid changes, torque converter checks, oil management).

- **Plan to use the vehicle for performance driving** rather than daily commuting.

- **Have access to a trusted mechanic** familiar with Lexus V8s and transmissions.

However, this is **not a plug-and-play purchase**. The transmission and torque converter are the biggest weak points, and neglecting them will lead to costly repairs. If you re looking for a **low-maintenance, high-reliability luxury sedan**, this may not be the best choice. But if you re an **enthusiast willing to invest time and money into keeping it running**, the UZ40 remains a fantastic platform for building a powerful, enjoyable car.

---

### **Recommendation**

You have **verified the transmission and torque converter** (check for leaks, smooth shifting, no slipping).

The **service history is complete** (oil changes, transmission fluid flushes, timing chain/water pump checks).

You re **prepared for potential repairs** (budget at least **$2,000 $5,000** for the first year if buying high-mileage).

You **plan to modify it** (the UZ40 is best enjoyed with some upgrades).

You **test drive it thoroughly** (listen for unusual noises, check for rough shifts, test acceleration).

You **need a reliable daily driver** without extra maintenance.

The **transmission or torque converter shows signs of wear** (slipping, delayed engagement, leaks).

You **can t afford unexpected repairs** (transmission rebuilds or converter replacements are expensive).

You **live in a state with strict emissions laws** and plan modifications.

- **Get a pre-purchase inspection (PPI) from a Lexus specialist.**

- **Check for transmission fluid condition** (burnt smell, dark color bad).

- **Test the torque converter under load** (watch for hesitation or slipping).

- **Consider a rebuilt transmission or new torque converter** if buying high-mileage.

If you re serious about this build, the UZ40 is a **fantastic project car** but treat it like one, not a set-and-forget purchase.

Details:

Regular mail USPS, FedEx, UPS. Contact phone number of the receiving person;. ENGINE: 4.3L 3UZFE RWD. Enter the yard by permission only.

MILEAGE: 104,228. E-mail address to send a confirmation. Trucks often run late, and they can come without a call at any time. Examples of these non-warranty parts include switches, sensors, cables, coils, wires, injectors, electronics, belts including timing belt/chain, hoses, water pumps, brackets, intake/exhaust manifolds, oil pans, and turbos/superchargers.

Please remember. If you don't want any surprises - keep in touch with a transporter yourself. REMOVED FROM: 2003 Lexus SC430 UZZ40L. Company name and address;.

The color in the photos may be different from real one. Warranty does NOT cover labor, diagnostic, towing, or rental car costs. Shipping Info. TRANSMISSION: AT AUTO A650E.

For large items engines, doors, transmissions, body parts, etc.

part #: a080a-3b06186 prices

• $134.74-$165.22

specifications torquconv:

• for models: Sc430
• for makes: Lexus
• for years: 2002-2005
• part type: Torque Transmission Converter
• ipn: A080a-3b06186
• manufacturer warranty: 3 Months

offer torquconv:

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

shipping torquconv:

• transit: 4-7 Days
• class: Standard, Expedited, One-day
• cost: $0.00
• type: Calculated
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• carrier: UPS

general torquconv:

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

seller torquconv:

• rating: 99.6%
• city: New Brunswick, New Jersey
• # reviews: 29716

payments torquconv:

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

returns torquconv:

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

Lexus A650E Is Similar To:

• 02380 Lexus Oem Automatic Transmission Torque Converter (52.8% similar) Get business information that counts. Should fit lexus IS300 but please double check to be sure of fitment oem automatic transmission torque converter images this is a removed from 2001...(March 23rd, 2018)
• 32000-20a670 Lexus Oem Automatic Transmission Torque Converter (50.3% similar) Some items may have a stock photo photos...(November 27th, 2018)
• 3200030400 Lexus Is250 A960e Torque (33.9% similar) Torque converter pulled from lexus IS250 RWD 2006 with 150K miles car was running when. Will have fluid residue, debris, small amounts of rust or other blemishes. Due to integrity of used parts, sold for parts only...(December 10th, 2017)
• 3200033160 Toyota Lexus Oem Converter (28.6% similar) All airbag modules are also non returnable. Est, mon to Fri...(February 27th, 2018)
• 3200035230 Toyota Lexus Oem Converter (28.6% similar) Est, mon to Fri. All airbag modules are also non returnable...(February 28th, 2018)
• 3200041030 Oem-starparts Rebuilt 99-01 Lexus (7.5% similar) Engines on their respective transmissions for lexus es springs and rollers are inspected replaced when worn. High pressure leak tests are performed in a special welding solution and the converter gets submerged to ensure there is no fractures weld. Run-out is triple checked after welding to ensure a...(October 29th, 2017)
• 3200050040 Toyota Lexus Oem Transmission (31% similar) All airbag modules are also non returnable. Est, mon to Fri...(February 28th, 2018)
• 3200050050 Toyota Lexus Oem Converter (28.6% similar) All airbag modules are also non returnable. Est, mon to Fri...(February 28th, 2018)
• 3200060280 Rebuilt Lexus Truck Gx Torque Converter Rebuilding Service (38% similar) Run-out is triple checked after welding to ensure a true unit plugs for proper fit. Springs and rollers are inspected replaced when worn. Old hubs are replaced with new hardened heat treated the part number important to find on trans sticker is. The oem part number for torque converter is. ...(March 2nd, 2018)
• 3mzfe 2004 2005 2006 Lexus Rx 330 Lower Intake Manifold Used Oem (31.4% similar) This manifold comes off a 3MZFE engine which fits a variety of Toyota and lexus model's. Item is in good used condition, no dents or cracks. Make lexus model Rx 330 year used oem lower intake manifold. Please see all pics carefully prior to purchasing or offering. Same day shipping may be available ...(October 18th, 2016)
• 53a020-5j07992 Lexus Ls Transmission Torque Converter (50.7% similar) Torque converter for LS430 and SC430 model's with 6 speed transmissions...(February 27th, 2019)