MAZDA 400-98502X Automatic Transmission 41K 454978054

( Part Type: Transmission ), ( Ipn: 400-98502x ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 6 Month ), ( Warranty Length: 6 Month Warranty ), ( Vehicle Transmission Type: Auto ), ( Oe/oem Part Number: E4y903000 Ex7303000 Exx803000 )

Review MAZDA Automatic Transmission Oem 41k Miles fits 2024

The **Mazda 400-98502X 2024 Automatic Transmission (Part Number: 454978054)** is a high-performance, precision-engineered automatic transmission designed exclusively for Mazda s latest lineup of vehicles, ensuring seamless integration with the brand s signature blend of sporty handling and cutting-edge technology. This transmission represents the pinnacle of Mazda s engineering prowess, featuring a robust **6-speed automatic** architecture optimized for both efficiency and responsiveness. Built with a focus on durability and reliability, it incorporates advanced hydraulic and electronic controls to deliver smooth, predictable gear shifts under a wide range of driving conditions from spirited city maneuvers to high-speed highway cruising. The transmission s compact yet robust design leverages Mazda s proprietary **Skyactiv-G** engine compatibility, ensuring optimal power delivery and fuel economy while maintaining a lightweight footprint for enhanced vehicle dynamics.

At its core, the **400-98502X** transmission is engineered with a **torque converter** and **valve body system** that dynamically adjusts shift points based on real-time driving inputs, providing a near-instantaneous and engaging shift experience without sacrificing comfort. The use of high-grade **steel and aluminum alloys** in critical components ensures resistance to wear and tear, extending the transmission s lifespan even under demanding conditions. Additionally, the system incorporates **Mazda s i-Activsense** technology integration, allowing for seamless coordination with the vehicle s advanced driver-assistance systems (ADAS) to optimize shift timing for fuel efficiency and performance. The transmission s **fluid cooling system** is meticulously calibrated to maintain optimal operating temperatures, further protecting internal components from degradation over time.

For enthusiasts and everyday drivers alike, this transmission embodies Mazda s commitment to **precision engineering and driver-centric design**. Whether paired with a turbocharged or naturally aspirated Skyactiv-G engine, the **454978054** ensures a harmonious balance between power output and smooth operation, making it an ideal choice for those seeking a transmission that enhances both the driving experience and long-term reliability. With its **OEM-grade quality** and meticulous attention to detail, this part is a testament to Mazda s dedication to delivering vehicles that combine sporty agility with the practicality of modern automotive technology.

### **Pros and Cons of buying a 2024 Mazda CX-50 (Model Code: 400-98502X, Transmission: Automatic, VIN: 454978054)**

#### **Pros**

1. **Premium SUV Platform with Refined Design**

The Mazda CX-50 is built on Mazda s **Skyactiv-G engine platform**, which balances efficiency and performance. The **2.5L turbocharged engine (250 hp)** provides strong acceleration while maintaining decent fuel economy (around **22-25 MPG combined**). The **automatic transmission (6-speed or 8-speed, depending on trim)** ensures smooth shifting, reducing driver fatigue on long trips.

2. **Spacious and Well-Designed Interior**

The CX-50 offers a **roomy cabin** with a **high-quality materials build** (especially in higher trims like the **Signature or Grand Touring**). The **panoramic sunroof** and **premium audio system** (Bose or JBL options) enhance comfort. The **rear seats** are wider than many competitors, making it comfortable for passengers.

3. **Advanced Safety Features**

- **Adaptive Cruise Control (ACC)**

- **Lane-Keep Assist**

- **Blind-Spot Monitoring**

- **Rear Cross-Traffic Alert**

- **Automatic Emergency Braking (AEB)**

These features help prevent accidents, making it a safer choice than many budget SUVs.

4. **Off-Road and On-Road Capabilities**

The **CX-50 is available with Mazda s Selectable Torque Split (STT) AWD**, which improves traction in wet or light off-road conditions. The **higher ground clearance (8.3 inches)** and **available off-road mode** make it more capable than some compact SUVs, though it s not a true off-roader like a Jeep Wrangler.

5. **Comfortable Ride and Handling**

The **Skyactiv suspension tuning** provides a **smooth ride on highways** while maintaining **responsive handling**. The **steering feel is precise**, and the **tire noise is well-damped**, contributing to a refined driving experience.

6. **Good Resale Value**

Mazda SUVs hold their value well due to their reputation for **reliability and quality**. The CX-50 is expected to retain a strong resale price, making it a cost-effective long-term purchase.

7. **Available Tech and Connectivity**

The **CX-50 comes with a 10.25-inch touchscreen** (in higher trims) with **Apple CarPlay and Android Auto**, as well as **wireless charging** and **a digital gauge cluster**. The **available head-up display** improves visibility without taking eyes off the road.

8. **Fuel Efficiency for an SUV**

While not the most efficient SUV on the market, the **2.5L turbocharged engine achieves around 22-25 MPG**, which is better than many competitors in the **compact SUV segment**.

---

#### **Cons**

1. **Higher Starting Price Than Competitors**

The **CX-50 starts around $30,000**, which is **more expensive than some rivals** like the **Honda CR-V, Toyota RAV4, or Subaru Forester** in base trims. Buyers looking for a **budget-friendly SUV** may find better deals elsewhere.

2. **Limited Off-Road Performance**

While the **STT AWD system improves traction**, the CX-50 is **not a true off-roader**. It lacks **locking differentials, high ground clearance in all modes, or serious rock-crawling ability**, making it less suitable for **serious off-road adventures**.

3. **Some Trims Feel Overpriced**

The **higher trims (Signature, Grand Touring)** add **premium features** (leather seats, ambient lighting, premium audio), but the **price jump can be steep** compared to similar features in other brands.

4. **Resale Depreciation (Early Models)**

While Mazda SUVs hold value well, **new models (like the 2024 CX-50) may depreciate faster initially** than established models. However, this is typical for new vehicles.

5. **Turbocharged Engine Noise**

The **2.5L turbo engine can be louder at low RPMs** compared to naturally aspirated engines, which some drivers may find annoying during city driving.

6. **Limited Cargo Space in Base Trims**

The **base CX-50 has less cargo space (28.6 cu. ft.)** compared to competitors like the **RAV4 (37.6 cu. ft.)**. However, **folding the rear seats expands it to 69.7 cu. ft.**, which is still decent.

7. **Some Build Quality Complaints**

While Mazda is known for **solid construction**, **early reports suggest minor plastic stiffness in lower trims** and **door panel gaps** in some units. This is not widespread but worth noting.

8. **Limited Availability of Certain Features**

Some **premium options (like the head-up display or 360-degree camera)** are **only available in higher trims**, increasing the overall cost.

---

### **Ending Conclusion**

The **2024 Mazda CX-50 (400-98502X, automatic transmission)** is a **well-rounded compact SUV** that excels in **comfort, safety, and driving dynamics**. It is an **ideal choice for buyers who prioritize a **refined ride, strong resale value, and advanced safety features** over raw off-road capability or maximum cargo space.

However, **it is not the best option for those on a tight budget** (due to its higher starting price) or those needing **serious off-road performance**. If you value **Japanese engineering, a smooth ride, and long-term reliability**, the CX-50 is a **strong contender**. But if you prefer **more cargo space, better fuel economy, or a more rugged SUV**, alternatives like the **Toyota RAV4, Honda CR-V, or Subaru Forester** may be worth considering.

---

### **Final Recommendation**

You want a **comfortable, safe, and well-built SUV** with **good handling**.

You prioritize **resale value and long-term reliability**.

You prefer **a refined driving experience** over extreme off-road capability.

You are willing to pay a **premium for Mazda s premium feel**.

You need **maximum fuel efficiency** (look at the **Toyota RAV4 Hybrid**).

You require **more cargo space** (consider the **Honda CR-V or Subaru Forester**).

You want a **more rugged SUV** (consider the **Jeep Compass or Ford Bronco Sport**).

You are on a **tight budget** (the **Mazda CX-30 or Honda HR-V** may be better).

- **For most buyers:** **Signature trim** (balances features and value).

- **For tech lovers:** **Grand Touring trim** (adds premium audio, head-up display, and ambient lighting).

- **For off-road enthusiasts:** **Selectable Torque Split AWD Off-Road Package** (if available).

Overall, the **CX-50 is a smart purchase for those who appreciate Mazda s blend of **performance, safety, and luxury at a reasonable price point**.

Details:

Residential Address - Load is curbside delivery ONLY. Inspect and replace rear seal as needed. Change over sensors as needed. Verify the differential portion of transmission is full fluid.

Someone over 18 must be present for delivery. Fill the transmission with OEM recommended fluids. In certain types of Transmissions the TCM transmission controlling computer is incorporated with Valve body which may require valve to be replaced. Remove torque converter strap.

Replace front seal. Flush the transmission cooler lines and radiator with a power flush machine or an aerosol 'Cooler Kit. They will not have any packaging included. Warranty does NOT cover labor, diagnostics, towing, rental car, or any other expense related to an item being defective/damaged.

Most 4WD some 2WD vehicles must re-learn the shift logic to transmission after installation. This will ensure the cooling system is flowing. 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.

Transfer cases are not included with transmission from AWD vehicles. To aid in installation, you get to keep your current transmission and all attached accessories. Properly install and index the torque converter completely into front pump. This is NOT a manufacturer part number, and can be disregarded. Will fit: Mazda 3 2024-2025 AT, AWD, Ht bk, Naturally Aspirated, Japan built.

Warranty does NOT cover labor, diagnostic, towing or rental car costs. Replace the radiator or cooler if recommended by manufacturer. Clear all transmission computer codes in the vehicle prior to starting or operating.

part #: 400-98502x prices

• $2104.10-$2422.10

specifications autotransmissionsgo:

• for makes: Mazda
• for years: 2024
• part type: Transmission
• ipn: 400-98502x
• genuine oem: Yes
• manufacturer warranty: 6 Month
• warranty length: 6 Month Warranty
• vehicle transmission type: Auto
• oe/oem part number: E4y903000 Ex7303000 Exx803000

payments autotransmissionsgo:

• credit card: Discover
• wallet: Paypal
• other

offer autotransmissionsgo:

• availability: In Stock
• quantity: 1
• started: April 23, 2026
• sold: 0
• options: Ship-to-home

returns autotransmissionsgo:

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

general autotransmissionsgo:

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

seller autotransmissionsgo:

• rating: 98.5%
• city: ana, California
• # reviews: 504799

shipping autotransmissionsgo:

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

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