MITSUBISHI MD978460 Transmission Assy.

( Manufacturer Part Number: MD978460 ), ( Part Type: Transmission ), ( Id: Eaa499b2-fb62-4e32-8015-9d971ff77991 ), ( Interchange: 400-61305 ), ( Partout Id: A-123548485 )

Review MITSUBISHI Transmission Assy. fits GALANT 2002–2003

The **Mitsubishi MD978460 transmission**, originally designed for the **Galant (2002 2003 model years)**, is a robust and reliable **four-speed automatic transmission** that serves as the backbone of the vehicle s drivetrain, ensuring smooth power delivery and efficient shifting performance. This transmission is part of Mitsubishi s **MD-series**, a line of transmissions known for their durability and adaptability to both front-wheel and all-wheel-drive applications, making it a versatile choice for drivers seeking a balance between performance and longevity. Engineered with precision, the MD978460 features a **planetary gearset** and **hydraulic valve body control**, allowing for seamless transitions between gears while maintaining optimal torque conversion, particularly when paired with the **4G63 or 4G93 engines** commonly found in these models. Its compact yet sturdy design incorporates a **torque converter** with a **lock-up clutch**, which enhances fuel efficiency by minimizing slippage at higher speeds, making it an ideal match for both city driving and highway cruising.

Under the hood, the MD978460 transmission is built with **high-quality steel and precision-machined components**, including a **multi-plate clutch pack** and **band actuators** that work in tandem to manage gear engagement with minimal wear. The **valve body**, a critical component for shift quality, is designed to regulate hydraulic pressure with precision, ensuring that shifts are neither jerky nor overly delayed. This transmission also incorporates a **shift solenoid system**, which adjusts fluid flow to the clutches and bands based on vehicle speed and load, adapting seamlessly to varying driving conditions. For added reliability, the MD978460 includes a **warm-up solenoid** that optimizes fluid circulation during cold starts, reducing strain on the transmission and extending its operational lifespan.

One of the standout features of this transmission is its **compatibility with Mitsubishi s all-wheel-drive (AWD) systems**, particularly the **Super All-Wheel Control (S-AWC)** found in the Galant VR and VR-4 models. The MD978460 is engineered to work harmoniously with the **multi-link suspension and differentials**, ensuring that power is distributed efficiently across all four wheels while maintaining smooth operation. Its **sealed housing** and **robust gasket system** help prevent leaks, a common issue in older transmissions, though regular fluid changes and maintenance are still essential to prevent premature failure. The transmission s **overdrive fourth gear** is particularly beneficial for fuel economy, allowing the engine to operate at lower RPMs during cruising speeds, which is especially advantageous for long-distance travel.

For those looking to restore or upgrade their **2002 2003 Mitsubishi Galant**, the MD978460 transmission offers a **cost-effective and dependable solution** compared to more modern alternatives. Its **proven track record** in Mitsubishi vehicles of the early 2000s makes it a favored choice among mechanics and enthusiasts alike, though it does require **proper maintenance**, including **fluid flushes every 60,000 90,000 miles** and **filter replacements** to prevent sludge buildup. When paired with the correct **transmission fluid** such as **Mitsubishi ATF SP-III or a high-quality synthetic alternative** this transmission can deliver **years of trouble-free service**, provided it is installed and serviced by a skilled technician. Whether in a **restomod project** or a straightforward replacement, the MD978460 remains a **reliable workhorse**, embodying Mitsubishi s commitment to engineering transmissions that balance performance, durability, and ease of maintenance.

### **Pros and Cons of Buying a Mitsubishi Galant (02-03) with the MD978460 Transmission**

#### **Pros**

1. **Reliability of the Engine**

- The 2.0L or 2.4L 4G93/4B11 engines in these models are known for durability when maintained properly. Many examples with low mileage run smoothly for decades with basic upkeep.

- The 4G93 (2.0L) is a robust inline-four that can handle high mileage if the timing belt, water pump, and spark plugs are regularly serviced.

- The 4B11 (2.4L) is slightly more refined and efficient, though it may require more frequent oil changes to prevent sludge buildup.

2. **Transmission (MD978460) Strengths**

- The MD978460 is a **5-speed manual transmission** (not automatic) that is well-regarded for its simplicity and robustness. It is a **Mitsubishi-designed unit**, not a borrowed design, which means parts are more widely available than some Japanese imports.

- When properly maintained, it can last **200,000 miles** without major issues. Common failures (like a slipping clutch or worn synchronizers) are often fixable with a rebuild or part replacement.

- The transmission is **not as complex** as some modern automatics, making repairs more straightforward for mechanics familiar with Japanese cars.

3. **Affordability**

- These models are **cheap to buy**, especially in the used market. A well-maintained 2002-2003 Galant with low miles can be had for **$2,000 $4,000**, depending on condition.

- **Parts are inexpensive** compared to newer vehicles. Labor costs are also lower, making repairs budget-friendly.

- Insurance and registration costs are minimal, making ownership financially accessible.

4. **Driving Experience**

- The manual transmission provides **engaging driving dynamics**, especially in the 2.4L models, which offer a good balance of power and fuel efficiency ( 20-25 MPG combined).

- The car handles well for its size, with a **comfortable ride** and decent braking (though later models may need updated pads and rotors).

- The **interior is spacious** for four passengers, with decent cargo room for its class.

5. **Fuel Efficiency**

- The 2.0L and 2.4L engines are **fuel-efficient** by modern standards, especially in manual form. Expect ** 22-28 MPG** in a well-tuned example.

- Gasoline costs are a smaller burden compared to larger or more powerful vehicles.

6. **Modding Potential**

- The Galant s **simple engine and drivetrain** make it a popular choice for **DIY modifications**. Upgrades like **turbocharging, engine swaps (e.g., 4A-GE), or suspension tuning** are relatively achievable.

- Aftermarket support exists for parts like **exhaust systems, intake manifolds, and performance chips**.

7. **Low Running Costs**

- **Oil changes, spark plugs, and basic maintenance** are inexpensive.

- **No complex electronics** (unlike some modern cars) mean fewer unexpected repair costs.

- **No hybrid or electric complications** mechanical simplicity reduces long-term expenses.

---

#### **Cons**

1. **Transmission (MD978460) Weaknesses**

- **Clutch wear is common** many manual Galants develop a **slipping clutch** around **100,000 150,000 miles**, requiring a replacement ( $300 $600 labor parts).

- **Synchronizers can wear out**, making gear shifts rough or impossible. Rebuilding the transmission ( $800 $1,500) may be necessary if neglected.

- **No overdrive** the 5-speed is **gear-heavy**, meaning the engine works harder at highway speeds compared to a 6-speed or automatic.

- **Shift linkage can fail** over time, requiring adjustment or replacement.

2. **Rust Issues**

- **Wheel wells** (common failure point)

- **Rocker panels**

- **Floor pans**

- **Subframe**

- Rust can **compromise structural integrity**, leading to handling issues or safety concerns. A **rust inspection** is **mandatory** before purchase.

3. **Electrical and Electrical Reliability**

- **Alternator failures** are common ( $200 $400 to replace), often due to **poor maintenance or age**.

- **Window regulators** and **door locks** can fail, requiring **replacement ( $100 $300 per window)**.

- **Check for intermittent issues** (e.g., dashboard lights, sensors) that may indicate wiring problems.

4. **Suspension Wear**

- **Shocks and struts** wear out around **80,000 120,000 miles**, leading to **poor ride quality and handling**.

- **Ball joints and tie rods** can wear, causing **wandering steering or clunking noises**.

- **Control arms** may need replacement ( $200 $500 per side).

5. **Interior Wear and Tear**

- **Upholstery degrades** over time, especially in high-mileage examples. **Carpet and headliner** may need replacement.

- **Air conditioning** can fail ( $500 $1,000 to repair), often due to **compressor or refrigerant leaks**.

- **Power steering pump** failures are possible ( $300 $600 to replace).

6. **Safety Concerns**

- **No modern safety features** (no ABS, no traction control, no airbags in some models though most 02-03 Galants have **dual front airbags**).

- **Poor crash test ratings** compared to modern vehicles.

- **Outdated braking system** later models may need **brake line replacement** or **rotor resurfacing**.

7. **Resale Value**

- **Mitsubishi s reputation has declined**, making these cars **harder to sell** compared to Toyota, Honda, or even Nissan.

- **Parts availability is diminishing** while still accessible, some components may become harder to find in the future.

8. **Maintenance Neglect Risks**

- **Failed timing belts** (critical on the 4G93 **must be replaced every 60,000 100,000 miles**).

- **Ignored oil changes** causing **engine sludge** (common in the 4B11).

- **Neglected cooling systems** leading to **overheating and head gasket failure** (rare but costly if it happens).

9. **No Modern Tech**

- **No Bluetooth, USB, or advanced infotainment** the radio is often a **basic AM/FM with cassette or CD player**.

- **No backup camera or lane-keeping assist** driving requires more attention.

10. **Market Availability**

- **Parts and mechanics familiar with these models are becoming scarce**, especially outside major cities.

- **Finding a reputable Mitsubishi specialist** may be difficult compared to Toyota or Honda dealerships.

---

### **Conclusion**

- **Prioritize affordability** over modern convenience.

- **Enjoy driving a manual transmission** and don t mind occasional maintenance.

- **Plan to keep it for a few years** (not a long-term "forever car").

- **Are willing to inspect for rust and mechanical wear** before buying.

- **Don t need advanced safety or tech features**.

- **Those who want a hassle-free, low-maintenance vehicle** (expect some repairs).

- **People in harsh climates** (salt, snow, or extreme heat can accelerate wear).

- **Buyers who dislike rust or electrical gremlins** (common in these models).

- **Those who plan to keep it for 15 years** (parts and mechanics may become harder to find).

---

### **Recommendation**

You **find a low-mileage example (under 100,000 miles) with a full service history**, especially **timing belt replacements**.

You **inspect for rust** (especially wheel wells, rockers, and subframe) and **test-drive for clutch, transmission, and suspension issues**.

You **budget for common repairs** (clutch, shocks, alternator, window regulators).

You **don t mind manual transmission driving** and enjoy the **engaging, simple mechanics**.

You **plan to modify or keep it for a few years** rather than a long-term project.

**Avoid it

Details:

Transmission Assay. Condition: 0.0. Vehicle Info: DESC: WHITE 154,310M 4DR STN CM: WG5179 STATUS: 1 MFR: MITSUBISHI SUB3: 2903 PRIVACY: COMM: 0.00 LOC: SCAP052615. COD available for orders placed local delivery only.

Search for more parts for MITSUBISHI GALANT. Model: MITSUBISHI GALANT. Vehicle Stock #: WG5179. Part Stock #.

part #: md978460 prices

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specifications autotransmissionsgo:

• for models: Galant
• for makes: Mitsubishi
• for years: 2002-2003
• mpn: Md978460
• part type: Transmission
• id: Eaa499b2-fb62-4e32-8015-9d971ff77991
• interchange: 400-61305
• partout id: A-123548485

general autotransmissionsgo:

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

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• credit card: Discover
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offer autotransmissionsgo:

• sold: 0
• started: April 17, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock

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• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

shipping autotransmissionsgo:

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

seller autotransmissionsgo:

• city: Martinsburg, West Virginia
• rating: 99.2%
• # reviews: 1211

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