KIA 450004JAJ0 Automatic Transmission Electric 3.3L

( Manufacturer Part Number: 450004JAJ0 ), ( Part Type: Transmission ), ( Manufacturer Warranty: 90 Day ), ( Genuine Oem: Yes ), ( Seller Notes: 3.3, At, Awd ), ( Interchange Item Code: 400 ), ( Color: Silver ), ( Reference Oe/oem: 450004jaj0, 450004jaj0r ), ( Compatibility: Stinger 18-21, 3.3l ), ( Electric Shift: Shift-by-wire, Awd )

Review KIA Used Automatic Transmission Assembly At 3.3l Electric Shi fits STINGER 2018

The **2018 Kia Stinger 3.3L Electric Shift Automatic Transmission (VIN 450004JJJ0)** is a sophisticated and dynamically engineered sedan that seamlessly blends cutting-edge styling with refined performance, making it a standout choice for discerning drivers seeking a blend of luxury, agility, and modern technology. Engineered with Kia s signature attention to detail, this model features a **3.3-liter V6 engine**, producing a robust **291 horsepower and 252 lb-ft of torque**, delivering a spirited yet smooth driving experience that effortlessly transitions between city commutes and spirited highway cruising. The **8-speed Electric Shift Automatic Transmission (EST)** ensures precise and responsive gear shifts, eliminating the need for manual intervention while maintaining a near-instantaneous connection between the driver and the road. This transmission not only enhances efficiency but also contributes to a quieter, more refined cabin environment, allowing occupants to enjoy the sleek interior design and premium sound system without the distraction of traditional transmission noise.

The **2018 Stinger s exterior** exudes a bold, aerodynamic presence with sharp, angular lines that pay homage to Kia s futuristic design language, while the **18-inch alloy wheels** and available **LED headlights and taillights** add a touch of modernity and sophistication. Inside, the cabin is a masterclass in ergonomic design, featuring high-quality materials such as **soft-touch plastics, leather-trimmed seats, and ambient lighting** that can be customized to match the driver s mood. The **10.25-inch touchscreen infotainment system** integrates seamlessly with Apple CarPlay and Android Auto, providing intuitive access to navigation, media, and connectivity features, while the **8-way power driver s seat and heated front seats** ensure both comfort and customization for long drives. Advanced safety features, including **forward collision warning, lane-keeping assist, and blind-spot monitoring**, further enhance the Stinger s appeal to safety-conscious buyers who demand both performance and protection.

Under the hood, the **3.3L V6 engine** is paired with a **torque-converter-based automatic transmission**, offering a balance of power and efficiency that makes the Stinger a versatile choice for those who appreciate a spirited yet practical vehicle. The **Electric Shift Automatic Transmission** not only optimizes fuel economy but also reduces wear and tear on the drivetrain, contributing to long-term reliability a hallmark of Kia s engineering prowess. Whether navigating tight city streets or merging onto the highway with ease, this Stinger delivers a **smooth, engaging ride** that rewards drivers with a sense of control and excitement. With its **available AWD system**, it also excels in varied weather conditions, ensuring stability and confidence in all driving scenarios.

For those who appreciate a blend of **performance, luxury, and modern innovation**, the **2018 Kia Stinger 3.3L Electric Shift Automatic Transmission** stands as a compelling option. Its **sleek design, advanced technology, and refined interior** make it a head-turner on the road, while its **powerful engine and responsive transmission** ensure an exhilarating yet comfortable driving experience. Whether used for daily commuting, weekend getaways, or spirited drives, this Stinger combines **style, substance, and sophistication**, making it a well-rounded choice for the modern driver who demands more from their vehicle.

### **Pros and Cons of Buying a 2018 Kia Stinger 3.3L Electric Shift (45000 miles, Automatic Transmission)**

#### **Pros**

1. **Reliable Engine and Transmission**

The 3.3L V6 engine in the Stinger is a well-regarded unit, known for its durability and smooth power delivery. The automatic transmission (likely a 6-speed or 8-speed, depending on the market) is generally robust, especially when properly maintained. Kia s transmissions in this model have received positive feedback for their shift quality and longevity when serviced regularly.

2. **Comfortable and Spacious Interior**

The Stinger offers a premium, well-built cabin with high-quality materials in higher trims. The seating is supportive, and the rear legroom is generous, making it a practical choice for families or those who prioritize comfort on long drives. The electric power steering and adaptive damping (if equipped) enhance driving smoothness.

3. **Good Safety Features**

The 2018 Stinger comes standard with Kia s **Forward Collision-Avoidance Assist (FCA), Lane Keeping Assist (LKA), Blind-Spot Collision-Avoidance Assist (BCA), and a 360-degree camera** (on higher trims). These features are valuable for preventing accidents and improving driver confidence.

4. **Fuel Efficiency for a V6**

While not a hybrid or turbocharged engine, the naturally aspirated 3.3L V6 offers decent fuel economy for its class around **18-20 MPG combined** which is better than many comparable V6 sedans. The automatic transmission helps optimize gear shifts for efficiency.

5. **Resale Value and Brand Reputation**

Kia has improved its reputation significantly in recent years, and the Stinger, as a premium sedan, holds its value relatively well compared to some competitors. Kia s warranty (typically 10-year/100,000-mile powertrain coverage) provides peace of mind for long-term ownership.

6. **Electric Shift Transmission (Unique Feature)**

The **Electric Shift Transmission (EST)** in the Stinger allows for smoother, more precise gear changes compared to traditional automatic transmissions. It reduces wear on the transmission components and can improve fuel efficiency slightly by optimizing shift timing.

7. **Tech and Infotainment**

The Stinger includes a **7-inch touchscreen (or larger in higher trims) with Apple CarPlay and Android Auto**, Bluetooth connectivity, and available features like a **head-up display (HUD) and wireless charging**. The build quality of the infotainment system is solid, though some users report occasional lag.

8. **Low Maintenance Costs (Compared to Luxury Brands)**

Kia parts and labor are generally cheaper than those of German or Japanese luxury brands. Routine maintenance (oil changes, brake jobs, etc.) is more affordable, making ownership cost-effective in the long run.

---

#### **Cons**

1. **Outdated Design and Styling**

The Stinger s design, while sleek for its time, has aged noticeably. The front grille, headlights, and overall aesthetic feel dated compared to newer competitors like the Hyundai Genesis, Acura TLX, or even some Lexus models. This may affect resale value and perceived luxury.

2. **Ride Quality and Noise Levels**

While the Stinger is comfortable, some owners report that it can feel **stiff over rough roads** compared to more refined competitors. Wind and road noise are also noticeable, especially at highway speeds, which may detract from the premium experience.

3. **Engine Power Limitations**

The 3.3L V6 produces **280 horsepower**, which is adequate but not exhilarating. It lacks the punch of turbocharged or hybrid alternatives (e.g., a 3.0L turbo V6 or a plug-in hybrid). Acceleration is decent but not sporty, and the transmission may feel slightly sluggish in lower gears.

4. **Interior Quality Variability**

While the materials are decent, some trims use **plastic that feels cheaper than expected** for a "premium" sedan. The steering wheel and gear shifter may not have the same weight or feedback as luxury competitors, affecting driver engagement.

5. **Infotainment Glitches**

The touchscreen interface can be **slow to respond** at times, and some users report occasional software bugs. The lack of a digital gauge cluster (on base trims) means the analog dashboard can feel outdated.

6. **Maintenance and Repair Concerns**

While Kia is known for reliability, **some owners report issues with the 3.3L V6 engine**, including **oil consumption, timing chain wear, or minor electrical gremlins**. The Electric Shift Transmission is generally reliable, but transmission fluid changes should be done on schedule to prevent premature failure.

- **Timing chain stretch** is a known issue in some Kia V6 engines, which can lead to **knocking noises or reduced performance** if not addressed early.

- **Suspension wear** (struts, bushings) may require replacement sooner than expected due to aggressive driving or rough roads.

7. **Limited Availability of Parts and Dealership Support**

The Stinger is not as widely sold as Kia s more popular models (e.g., Sorento, K5, or Niro), so finding **specialty parts or dealership technicians familiar with the model** may be harder in some regions.

8. **Higher Trim Costs**

If you opt for higher trims (e.g., **Touring or GT-Line**), the price jumps significantly, and the added features (like a sunroof, premium audio, or adaptive cruise) may not justify the cost for some buyers.

---

### **Key Considerations Before Purchasing**

1. **Service History**

- Ensure the **transmission fluid, timing belt/chain, and suspension components** have been serviced on time.

- Check for **oil leaks, unusual noises (knocking, rattling), or electrical issues** (e.g., sensor malfunctions).

- A **pre-purchase inspection (PPI) by a Kia specialist** is highly recommended to avoid hidden problems.

2. **Budget for Upgrades**

- If the interior feels cheap, consider **aftermarket upgrades** (steering wheel, seats, sound deadening) to improve perceived value.

- A **performance exhaust or cold air intake** could enhance driving dynamics if you want more power.

3. **Alternative Options**

- If you want **more power**, consider a **2018 Hyundai Genesis 3.3L V6 or Acura TLX 3.5L V6**.

- If **fuel efficiency is a priority**, a **hybrid or turbocharged sedan** (e.g., Toyota Camry Hybrid, Honda Accord Turbo) may be better.

- If **luxury and refinement** are key, a **used Lexus ES 350 or Infiniti Q50** might be a smoother ride.

4. **Long-Term Costs**

- Kia s warranty is strong, but **extended coverage** (if available) could be worth it for peace of mind.

- **Insurance costs** may be higher than a Honda or Toyota, but still reasonable compared to luxury brands.

---

### **Final Recommendation**

You prioritize **reliability, comfort, and safety** over raw performance.

You find the **price reasonable** (especially if well-maintained) and can afford minor upgrades.

You appreciate **Kia s warranty and lower ownership costs** compared to luxury brands.

The **interior space and tech features** meet your needs, and you don t mind the slightly dated styling.

You ve **verified the service history** and had a **pre-purchase inspection** to avoid major issues.

You want a **sportier, more powerful, or more refined driving experience** (consider a turbocharged or hybrid alternative).

You re sensitive to **noise, stiffness, or outdated interior materials**.

You find **competitors (Genesis, Acura, Lexus) more appealing** in terms of build quality or resale value.

You **cannot afford potential future repairs** (e.g., timing chain, suspension, or transmission issues).

---

### **Bottom Line**

The **2018 Kia Stinger 3.3L Electric Shift is a solid mid-size sedan** that offers **good value for money**, especially if you prioritize **practicality, safety, and long-term reliability**. However, it **lacks the excitement and refinement** of some competitors, and its design has aged poorly. **With proper maintenance and a thorough inspection, it can be a great buy for a budget-conscious buyer who doesn t need luxury-level performance.**

**If you re set on this model, negotiate aggressively (aim for **$15,000 $18,000** for 45,000 miles, depending on location and condition), and ensure the vehicle has a clean history.** Otherwise, consider alternatives if you want more luxury or performance.

Details:

Transmission assemblies are sold as excellent working used parts. On AWD/4x4 transmissions, the transfer case will not be included. All seals, gaskets, and filters must be replaced prior to install. Superseded Part Numbers This item may have been superseded from a different part number this manufacturer.

Hospitals, Schools, Farms, storage Units, Home Business, Airports, No Truck/Limited Access zones and Military Bases are not accepted as a valid commercially zoned address. Orders placed after 2:00 pm CST cannot be guaranteed shipping that day. Manufacturers. ?specified fluid types must be used. Not just our Heritage, but Legacy Used Automatic Transmission Assembly fits: 2018 Kia Stinger AT 3.3L electric shi.

Transmissions are drained prior to shipping.

part #: 450004jaj0 prices

• $991.10-$1999.99

specifications autotransmissionsgo:

• for models: Stinger
• for makes: Kia
• for years: 2018
• mpn: 450004jaj0
• part type: Transmission
• manufacturer warranty: 90 Day
• genuine oem: Yes
• seller notes: 3.3, At, Awd
• interchange item code: 400
• color: Silver
• reference oe/oem: 450004jaj0, 450004jaj0r
• compatibility: Stinger 18-21, 3.3l
• electric shift: Shift-by-wire, Awd

offer autotransmissionsgo:

• availability: In Stock
• started: May 6, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0

general autotransmissionsgo:

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

returns autotransmissionsgo:

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

shipping autotransmissionsgo:

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

payments autotransmissionsgo:

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

seller autotransmissionsgo:

• rating: 99.4%
• # reviews: 6708
• city: Mobile, Alabama

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