DACCO 31FMDWW78 Auto Trans Torque Converter

( Brand: Dacco ), ( Manufacturer Part Number: 31FMDWW78 ), ( Type: Auto Trans Torque Converter ), ( Fit Note: Automatic Transmission Torque Converter ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review DACCO Auto Trans Torque Converter Jeep fits CHEROKEE GRAND 1993–1995

The **DACCO 31FMDWW78 Torque Converter** is a high-performance, direct-fit replacement designed specifically for the 1993 through 1995 Jeep Cherokee models equipped with the 3.3L or 3.9L inline-six engines paired with the 4-speed automatic transmission (Aisin AW-1). Engineered to restore optimal power transfer and smooth shifting, this torque converter is built to meet or exceed OEM specifications while delivering enhanced durability and efficiency. Crafted from premium materials, including a high-quality aluminum housing and a robust stator assembly, the DACCO converter ensures reliable operation under demanding conditions, whether navigating rugged off-road terrain or handling daily highway commutes. Its precision-engineered blades and optimized fluid dynamics minimize slippage, maximizing torque multiplication for better acceleration and responsiveness. The converter s robust clutch pack and stamped stator are designed to withstand the stresses of aggressive driving, reducing wear on the transmission and extending its lifespan. Whether you're restoring a classic Cherokee or upgrading an existing vehicle for improved performance, the DACCO 31FMDWW78 provides a seamless, plug-and-play solution that restores factory-like performance without compromising on quality. Backed by DACCO s reputation for precision engineering and compatibility, this torque converter is an ideal choice for enthusiasts and mechanics seeking a dependable, high-performance upgrade.

### **Pros and Cons of Buying a DACCO 31FMDWW78 Auto Transmission Torque Converter for a 1993-1995 Jeep Cherokee**

1. **Compatibility** The DACCO 31FMDWW78 is specifically designed for the 31R/E transmission found in 1993-1995 Jeep Cherokee models with automatic transmissions. This ensures proper fitment and functionality without requiring major modifications.

2. **Improved Performance** Many aftermarket torque converters are engineered to enhance shifting smoothness, reduce stall speed, and improve acceleration, especially in high-torque applications. The DACCO converter may offer better engagement characteristics than the stock unit.

3. **Durability** DACCO is a reputable brand known for manufacturing high-quality transmission components. Their torque converters are often built with stronger materials and better balancing, which can extend the life of your transmission.

4. **Easier Installation** Since it is a direct replacement for the OEM unit, installation typically requires only basic tools and does not involve major transmission disassembly. This makes it a straightforward upgrade for DIYers or mechanics.

5. **Cost-Effective Upgrade** Compared to a full transmission rebuild or replacement, upgrading just the torque converter is a relatively inexpensive way to improve drivability and prevent potential transmission damage caused by a failing converter.

6. **Reduced Transmission Stress** A worn-out torque converter can cause excessive slippage, leading to overheating and premature wear on the transmission. Replacing it with a new DACCO unit can alleviate these issues and reduce long-term damage.

7. **Better Fuel Efficiency (Indirectly)** A properly functioning torque converter ensures smoother shifts and reduces unnecessary strain on the transmission, which can contribute to slightly improved fuel economy over time.

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1. **Potential Shift Harshness** While some aftermarket converters improve performance, others may cause slightly firmer shifts if not properly matched to the transmission s programming. This can feel less smooth than the stock converter, especially in older vehicles with less sophisticated transmission controls.

2. **Stall Speed Variations** Some aftermarket converters have higher or lower stall speeds than the OEM unit. If the stall speed is too high, it may cause rough idle or difficulty starting. If it s too low, acceleration may feel sluggish. This depends on the specific converter s design and how well it matches your driving style.

3. **Learning Curve for Installation** Although the installation is generally straightforward, those without experience may struggle with tasks like removing the old converter, sealing the new one properly, or ensuring the fluid coupling is correct. Improper installation can lead to leaks or performance issues.

4. **Quality Control Concerns** While DACCO is a well-regarded brand, as with any aftermarket part, there is a risk of receiving a defective unit. Always purchase from a trusted seller (e.g., RockAuto, Summit Racing, or a reputable local shop) to minimize this risk.

5. **Limited Customization** Unlike some high-performance converters, the DACCO 31FMDWW78 is not designed for extreme power applications (e.g., heavy towing or high horsepower modifications). It is a standard replacement, not a performance-tuned unit.

6. **Transmission Fluid Compatibility** Ensure you are using the correct transmission fluid (e.g., Dexron III for 31R/E transmissions) to avoid voiding the converter s warranty or causing premature wear. Some aftermarket converters require specific fluids for optimal performance.

7. **Warranty Limitations** Aftermarket parts often come with shorter warranties than OEM components. If the converter fails prematurely, you may be responsible for replacement costs unless you have proof of proper installation and usage.

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The **DACCO 31FMDWW78 torque converter** is a solid choice for owners of 1993-1995 Jeep Cherokee automatic transmissions looking to replace a worn-out or failing unit. It offers **improved durability, better performance, and ease of installation** while being a cost-effective solution compared to a full transmission overhaul. However, potential buyers should be aware of **possible shift firmness, stall speed adjustments, and the need for careful installation** to avoid issues.

For most **daily drivers**, this converter will provide a noticeable improvement in transmission reliability and smoothness. If you are **towing heavy loads or modifying your vehicle for high performance**, you may need to explore more specialized converters (e.g., those with lower stall speeds or stronger clutches). Always **verify compatibility with your specific transmission model** and **follow installation guidelines** to ensure the best results.

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- You need a **direct replacement** for a failing OEM unit.

- You want a **reliable, high-quality aftermarket part** from a trusted brand.

- You are comfortable with **basic transmission work** or plan to have a mechanic install it.

- Your primary concern is **improving transmission longevity and drivability** rather than extreme performance.

- You expect **ultra-smooth shifts** (some aftermarket converters can feel firmer).

- You are modifying your vehicle for **high horsepower or heavy towing** (a performance converter may be needed).

- You are unsure about **proper installation techniques** (consult a professional if needed).

**Final Verdict:** For the average 1993-1995 Jeep Cherokee automatic transmission owner, the DACCO 31FMDWW78 is a **worthwhile upgrade** that balances cost, quality, and performance. Pair it with fresh transmission fluid and proper installation for the best results.

Details:

Auto Trans Torque Converter 31FMDWW78 for Jeep Grand Cherokee 1993 1994 1995: Brand: Dacco condition: Remanufactured, Notes Automatic Transmission Converter, Detailed Applications , 1994 - 1995 Cherokee5.2L V844RE, 1993 - 1995 V842RE. 12 Month Warranty.

part #: 31fmdww78 price

• $179.11

specifications torquconv:

• for models: Cherokee, Grand
• for makes: Jeep
• for years: 1993-1995
• brand: Dacco
• mpn: 31fmdww78
• type: Auto Trans Torque Converter
• fit note: Automatic Transmission Torque Converter
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

offer torquconv:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: May 10, 2026

payments torquconv:

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

general torquconv:

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

seller torquconv:

• rating: 97.2%
• # reviews: 57906
• city: Atlanta, Georgia

shipping torquconv:

• service: Standard
• cost: $0.00
• type: Fixed
• transit: 3-6 Days
• class: Standard

returns torquconv:

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

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