1. Automatic Transmissions Products
  2. sku: 24109073129164663
  3. CADILLAC LKQ453050902

CADILLAC Transmission 400-11557 68K LKQ453050902

fits model: Ct4. make: Cadillac. year: 2021.

Lkq453050902 Cadillac 400-11557 2021 Ct4 Transmission Oem 68k Miles -

( Part Type: Transmission ), ( Genuine Oem: Yes ), ( Partout Id: A-131815195 ), ( Vehicle Transmission Type: Auto ), ( Ipn: 400-11557 ), ( Mileage Range Of Item: Low Mileage , 000 74, 999 Miles ), ( Oe/oem Part Number: 24295020 1asj ), ( Manufacturer Warranty: 6 Month ), ( Warranty Length: 6 Month Warranty )

Review CADILLAC Transmission Oem 68k Miles fits CT4 2021

The **Cadillac CT4 2021 400-11557 Transmission (Part Number: LKQ453050902)** is a high-performance, factory-original automatic transmission designed exclusively for the second-generation CT4, a sleek and sporty luxury coupe that blends cutting-edge engineering with timeless Cadillac elegance. This transmission is a critical component of the CT4 s dynamic driving experience, engineered to deliver seamless shifts, exceptional responsiveness, and the refined power delivery expected from a vehicle in this class. Built with Cadillac s signature precision, the **LKQ453050902** is a **6-speed automatic transmission** featuring a robust torque converter and a sophisticated hydraulic system that ensures smooth acceleration, whether cruising on the highway or navigating tight corners with agility. The transmission is paired with the CT4 s available **3.6L V6 Twin-Turbo** or **2.0L Turbocharged I4** engines, providing the necessary torque conversion and shift efficiency to maximize both performance and fuel economy. Its compact yet durable design allows for optimal integration into the CT4 s chassis, contributing to the vehicle s balanced handling and sporty demeanor. This transmission is constructed with high-quality materials, including reinforced gears, precision-machined shafts, and a sealed valve body to minimize wear and prevent fluid leaks, ensuring longevity and reliability even under demanding conditions. Whether restoring a classic CT4 to its original glory or upgrading an existing model, this transmission is a key element in maintaining the vehicle s performance, value, and driving enjoyment. For enthusiasts and mechanics alike, the **LKQ453050902** represents a reliable, factory-backed solution that upholds Cadillac s commitment to luxury, performance, and engineering excellence.

### **Pros and Cons of Buying a 2021 Cadillac CT4 with the LKQ453050902 Transmission (400-11557)**

#### **Pros**

1. **Premium Brand and Build Quality**

Cadillac is a luxury brand known for its refined interiors, high-quality materials, and attention to detail. The CT4, in particular, offers a sporty yet comfortable driving experience with a well-engineered chassis.

2. **Strong Performance**

The CT4 comes with a 2.0L turbocharged four-cylinder engine (or a 3.5L V6 in some trims) paired with the **6-speed automatic transmission (LKQ453050902)**. This transmission is smooth and reliable when properly maintained, delivering crisp shifts and good power delivery.

3. **Modern Infotainment and Tech**

The CT4 features Cadillac s **CUE (Cadillac User Experience) infotainment system**, which includes a large touchscreen, wireless Apple CarPlay/Android Auto, and premium audio options. The digital instrument cluster and available head-up display enhance the driving experience.

4. **Comfortable and Stylish Interior**

The CT4 offers a spacious, upscale cabin with premium leather upholstery, ambient lighting, and available features like ventilated seats, a panoramic sunroof, and a premium sound system.

5. **Good Safety Ratings**

The CT4 has earned strong safety ratings, including **IIHS Top Safety Pick ** in some configurations, thanks to features like standard stability control, multiple airbags, and advanced driver-assistance systems (like Super Cruise in higher trims).

6. **Resale Value**

Cadillacs, especially newer luxury models, hold their value relatively well compared to some competitors, making this a potentially sound long-term investment.

7. **Available Performance Options**

The CT4-V offers a more powerful 3.5L V6 engine, providing better acceleration and a sportier feel for those who want more power.

---

#### **Cons**

1. **Transmission Reliability Concerns (LKQ453050902)**

- The **6-speed automatic transmission (LKQ453050902)** in the CT4 has had some reported issues, including **rough shifting, delayed engagement, or even failure** in certain cases.

- Some owners have experienced **transmission fluid leaks** or **internal wear**, particularly if maintenance was neglected.

- If this transmission has not been properly serviced (fluid changes, filter replacements), it could lead to costly repairs.

2. **Turbocharged Engine Reliability**

- The **2.0L turbocharged engine** (common in the CT4) is known for **oil consumption issues** and **carbon buildup on intake valves**, which can lead to **knocking, reduced power, or even engine failure** if not addressed.

- The **3.5L V6** is more reliable but still requires proper maintenance to avoid long-term issues.

3. **Higher Maintenance Costs**

- As a luxury vehicle, the CT4 has **expensive parts and labor costs** compared to mainstream brands.

- Specialized repairs (transmission, turbo, suspension) can be costly, especially if not handled by a Cadillac dealership.

4. **Comfort Over Sportiness**

- While the CT4 is sporty, it is **not as nimble or engaging** as some direct competitors (e.g., BMW 4 Series, Audi A5).

- The suspension is tuned for comfort rather than sharp handling, which may disappoint enthusiasts seeking a more dynamic drive.

5. **Resale Depreciation**

- Luxury vehicles, including Cadillacs, tend to **depreciate faster** than some premium brands (e.g., Lexus, Genesis).

- If you plan to sell in a few years, the CT4 may not retain as much value as other luxury alternatives.

6. **Potential Early Model Teething Issues**

- The **2021 CT4** was one of the first years for this model, so some **early production bugs** (infotainment glitches, minor electrical issues) may have been present.

7. **Fuel Economy Trade-offs**

- The turbocharged 2.0L engine improves acceleration but **sacrifices fuel efficiency** compared to naturally aspirated luxury sedans.

- The V6 version is even less efficient, making it less practical for high-mileage drivers.

---

### **Conclusion and Recommendation**

#### **Who Should Buy This CT4?**

- **Luxury buyers** who prioritize comfort, style, and tech over raw performance.

- **Drivers who maintain their vehicle well** and can afford potential transmission or engine repairs.

- **Those who want a refined, upscale sedan** rather than a high-performance or ultra-efficient car.

- **Buyers who plan to keep the car long-term** (5 years) and can budget for maintenance.

#### **Who Should Avoid This CT4?**

- **Budget-conscious buyers** who cannot afford luxury maintenance costs.

- **Enthusiasts seeking sharp handling** the CT4 is not as engaging as competitors like the BMW 4 Series or Audi A5.

- **High-mileage drivers** who prioritize fuel efficiency over power.

- **Those who cannot verify transmission and engine maintenance history** this is critical for long-term reliability.

#### **Final Recommendation**

If you **find a well-maintained 2021 CT4 with a properly serviced transmission (LKQ453050902) and engine**, it can be a **solid luxury sedan** with a comfortable ride, premium features, and decent performance. However, **due diligence is essential**:

- **Check maintenance records** (transmission fluid changes, turbo/engine service).

- **Test drive for smooth shifting** listen for unusual noises from the transmission.

- **Consider a pre-purchase inspection** to avoid hidden issues.

- **Budget for potential future repairs**, especially if the transmission or turbo has seen heavy use.

If these conditions are met, the **2021 Cadillac CT4 is a viable luxury purchase**. If not, **exploring alternatives like the Lexus IS, Genesis G70, or BMW 4 Series** may offer better long-term reliability and value.

Details:

Remove torque converter strap. Verify the differential portion of transmission is full fluid. Warranty does NOT cover labor, diagnostics, towing, rental car, or any other expense related to an item being defective/damaged. In certain types of Transmissions the TCM transmission controlling computer is incorporated with Valve body which may require valve to be replaced.

Most 4WD some 2WD vehicles must re-learn the shift logic to transmission after installation. Transfer cases are not included with transmission from AWD vehicles. Clear all transmission computer codes in the vehicle prior to starting or operating. Replace the radiator or cooler if recommended by manufacturer.

Residential Address - Load is curbside delivery ONLY. Someone over 18 must be present for delivery. Replace front seal. Warranty does NOT cover labor, diagnostic, towing or rental car costs.

Properly install and index the torque converter completely into front pump. This is NOT a manufacturer part number, and can be disregarded. Will fit: Cadillac CT4 2021 - 2021 AT, 2.7L 10 speed, opt MQA, RWD, 2022 2023 AT, RWD. This will ensure the cooling system is flowing. Fill the transmission with OEM recommended fluids.

To aid in installation, you get to keep your current transmission and all attached accessories. Flush the transmission cooler lines and radiator with a power flush machine or an aerosol 'Cooler Kit. Change over sensors as needed. They will not have any packaging included.

Inspect and replace rear seal as needed. Remove all 'cap-plugs' from lines and orifices. ATTENTION: This listing is for 1 Transmission ONLY, Warranty covers the transmission case, torque converter included automatic transmissions only and all internal components.

part #: lkq453050902 prices

  • $1574.10-$1839.10

specifications autotransmissionsgo:

  • for models: Ct4
  • for makes: Cadillac
  • for years: 2021
  • part type: Transmission
  • genuine oem: Yes
  • partout id: A-131815195
  • vehicle transmission type: Auto
  • ipn: 400-11557
  • mileage range of item: Low Mileage , 000 74, 999 Miles
  • oe/oem part number: 24295020 1asj
  • manufacturer warranty: 6 Month
  • warranty length: 6 Month Warranty

returns autotransmissionsgo:

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

shipping autotransmissionsgo:

  • cost: $0.00
  • service: Flat Rate Freight
  • type: Fixed
  • class: Freight

general autotransmissionsgo:

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

seller autotransmissionsgo:

  • # reviews: 511834
  • city: New Braunfels, Texas
  • rating: 98.7%

payments autotransmissionsgo:

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

offer autotransmissionsgo:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: June 7, 2026
  • quantity: 1
for models: ct4, for makes: cadillac, for years: 2021, part type: transmission, genuine oem: yes, partout id: a-131815195, vehicle transmission type: auto, mileage range of item: low mileage , 000 74, 999 miles, oe/oem part number: 24295020 1asj, manufacturer warranty: 6 month, warranty length: 6 month warranty,
category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 24109073129164663,
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