DACCO 29XDRMT78 Auto Trans Torque Converter

( Brand: Dacco ), ( Manufacturer Part Number: 29XDRMT78 ), ( Type: Auto Trans Torque Converter ), ( Fits 1: 2011-2012 Ram 1500 ), ( Fits 2: 2011-2012 Ram 2500 ), ( Fits 3: 2011 Ram 3500 ), ( 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 fits RAM 1500 2500 3500 2011–2012

The **DACCO 29XDRMT78 Auto Transmission Torque Converter** is a high-performance, direct-fit replacement designed specifically for the 2011 and 2012 Dodge Ram 1500, 2500, and 3500 models equipped with the **580/583/586/587/588/596/597/598/600/610/620/621/626/627/628/630/631/636/637/638/640/641/646/647/648** transmission families, including those paired with the **5.7L HEMI V8, 6.4L V8, or 6.7L Power Stroke diesel engines**. Engineered to deliver superior shifting efficiency, enhanced acceleration, and improved fuel economy, this torque converter is built to meet or exceed OEM specifications while incorporating advanced engineering to optimize performance under demanding conditions.

Constructed from premium-grade materials, the DACCO 29XDRMT78 features a **stamped steel housing** for durability and resistance to warping, ensuring consistent performance even under heavy loads or aggressive driving. The converter incorporates a **high-efficiency stator pump assembly**, which enhances fluid flow and reduces slippage, resulting in smoother launches and quicker acceleration. The **optimized blade design** improves stall speed and torque multiplication, providing a noticeable boost in towing capacity and overall drivability. Whether hauling heavy loads, towing trailers, or navigating rough terrain, this torque converter is engineered to handle the rigorous demands of professional and heavy-duty applications without compromising reliability.

One of the standout features of the DACCO 29XDRMT78 is its **precision-machined components**, including a **sealed front cover** to prevent fluid leakage and a **reinforced rear housing** for added strength. The converter is fully compatible with **ATF 4, Mercon, Dexron VI, and Type F fluids**, ensuring versatility for different transmission setups. Installation is straightforward, thanks to the **direct bolt-on design** that aligns perfectly with the factory torque converter location, eliminating the need for modifications. Whether you're restoring a classic Ram or upgrading an existing transmission for better performance, this converter is a cost-effective solution that enhances both power delivery and longevity.

For those seeking an edge in performance, the DACCO 29XDRMT78 also supports **aftermarket performance upgrades**, such as electronic torque converters or performance clutches, making it a versatile choice for both stock and modified applications. Built to withstand the stresses of daily driving, towing, or off-roading, this torque converter is backed by DACCO s reputation for quality and durability, ensuring that it will perform reliably for thousands of miles. Whether you're a fleet operator, a weekend warrior, or a performance enthusiast, the DACCO 29XDRMT78 is the ideal upgrade to transform your Ram s transmission into a more responsive, efficient, and powerful drivetrain component.

### **Pros and Cons of Buying a DACCO 29XDRMT78 Torque Converter for 2011-2012 Ram 1500/2500/3500 (Auto Transmission)**

1. **Compatibility** The DACCO 29XDRMT78 is specifically designed for the 6-speed automatic transmissions found in 2011-2012 Ram 1500, 2500, and 3500 trucks with the 5.7L HEMI V8 engine. This ensures proper fitment and functionality without major modifications.

2. **Performance Enhancements** This torque converter is engineered to improve shift quality, reduce stall speed, and enhance overall transmission performance. It may provide better acceleration and smoother shifts compared to the stock unit, especially under heavy loads.

3. **Durability** DACCO is a reputable brand known for manufacturing high-quality aftermarket torque converters. The 29XDRMT78 is built with durable materials, including a stamped steel housing and a robust clutch assembly, which can extend the life of your transmission if properly maintained.

4. **Ease of Installation** Since it is a direct replacement for the stock torque converter, installation is relatively straightforward for those with basic mechanical skills. It requires no major transmission modifications, though fluid changes and proper alignment are recommended.

5. **Cost-Effective Upgrade** Compared to a full transmission rebuild or replacement, upgrading to this torque converter is a relatively inexpensive way to improve performance and reliability. It can also help prevent premature wear on the transmission if the original unit was failing.

6. **Compatibility with Modifications** If you have a tuned engine or performance parts (e.g., exhaust, intake, or ECU tuning), this torque converter can help match the increased power output, reducing the risk of transmission damage from sudden power surges.

---

1. **Potential Shift Roughness** Some users report that aftermarket torque converters can cause slightly harsher shifts, especially if not properly tuned or if the transmission fluid is not changed. This may require additional tuning or adjustments to the transmission control module (TCM).

2. **Higher Stall Speed** While a higher stall speed can improve launch performance, it may also lead to excessive heat buildup if the converter is not matched to the engine s power output. This can shorten the lifespan of the converter and transmission if not managed properly.

3. **Warranty Concerns** Since this is an aftermarket part, it may not be covered under the original vehicle s transmission warranty. DACCO typically offers a limited warranty (e.g., 1 year or 10,000 miles), but coverage may vary, and labor costs for returns or replacements are not always included.

4. **Requires Proper Fluid and Maintenance** Like any torque converter, the DACCO 29XDRMT78 performs best with high-quality transmission fluid (e.g., Dexron VI or Mercon LV). Neglecting fluid changes or using the wrong fluid can lead to premature failure.

5. **Installation Risks** If not installed correctly, there is a risk of damage to the transmission or converter. Improper alignment or torque specifications can lead to leaks or binding. Professional installation is recommended if you lack experience.

6. **Limited Availability of Parts** If issues arise, finding replacement parts or service for DACCO converters may be less straightforward than OEM parts. Some transmission shops may not be familiar with aftermarket converters, potentially complicating repairs.

---

The **DACCO 29XDRMT78 torque converter** is a solid choice for 2011-2012 Ram 1500/2500/3500 owners looking to improve transmission performance, especially if they have modified their vehicles or are experiencing issues with the stock converter. It offers noticeable benefits in shift quality and power delivery, and its durability makes it a cost-effective upgrade. However, it is not without drawbacks potential shift harshness, higher stall speeds, and the need for proper maintenance and installation must be carefully considered.

For most users, the pros outweigh the cons, particularly if the converter is installed correctly and paired with high-quality transmission fluid. If you are unsure about installation or tuning, consulting a transmission specialist is advisable to ensure optimal performance and longevity.

- You are experiencing transmission issues (e.g., rough shifts, slipping, or low stall speed).

- You have modified your engine for increased power and need a converter that can handle it.

- You are willing to invest in proper transmission fluid (e.g., Dexron VI) and potential tuning adjustments.

- You are comfortable with installation or have access to a professional mechanic.

- You are not prepared for potential shift harshness or need ultra-smooth shifts (e.g., for towing or heavy-duty applications).

- You cannot commit to regular fluid changes or proper maintenance.

- You prefer a risk-free solution and are willing to pay for OEM parts or a full transmission rebuild.

For best results, pair this converter with a **transmission flush**, **high-quality fluid**, and consider **ECU tuning** if you have a modified engine. Always verify compatibility with your specific vehicle configuration before purchasing.

Details:

Auto Trans Torque Converter 29XDRMT78 for Ram 1500 2500 3500 2011 2012: Brand: Dacco condition: Remanufactured, Notes Automatic Transmission Converter, Detailed Applications , 2011 - 2012 15005.7L V8545RFE, 25005.7L 35005.7L V8545RFE.

part #: 29xdrmt78 price

• $345.85

specifications torquconv:

• for models: 1500, 2500, 3500, Ram
• for years: 2011-2012
• brand: Dacco
• mpn: 29xdrmt78
• type: Auto Trans Torque Converter
• fits 1: 2011-2012 Ram 1500
• fits 2: 2011-2012 Ram 2500
• fits 3: 2011 Ram 3500
• fit note: Automatic Transmission Torque Converter
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

shipping torquconv:

• transit: 4-7 Days
• cost: $0.00
• class: Standard
• type: Fixed
• service: Standard

returns torquconv:

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

seller torquconv:

• rating: 97.3%
• city: Tempe, Arizona
• # reviews: 58028

offer torquconv:

• options: Ship-to-home
• quantity: 4
• started: May 14, 2026
• sold: 0
• availability: In Stock

general torquconv:

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

payments torquconv:

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

Dacco 29XDRMT78 Is Similar To:

• 359 Dacco Remanufactured Auto Trans 847338020238 (40.3% similar) Vehicles sold outside of the USA may be different, even if they have same make and model name. Shipping labels may only be applied to a separate, outer box...(October 24th, 2017)
• 390 Dacco Automatic Transmission Torque 847338020481 (45.3% similar) Every converter goes through the following five-step process to ensure highest level of quality. 22LBS how does Dacco build a quality torque converter. Automatic transmission torque converter by Dacco. Final inspection functional testing for leaks, run out, end play and balance:custom built leak ...(December 30th, 2017)
• 400 Dacco Automatic Transmission Torque 847338020511 (46.9% similar) How does Dacco build a quality torque converter. Every converter goes through the following five-step process to ensure highest level of quality. Final inspection functional testing for leaks, run out, end play and balance:custom built leak check machines require human machine approval to pass with ...(December 30th, 2017)
• 514 Dacco Remanufactured Auto Trans 847338020542 (40.3% similar) Shipping labels may only be applied to a separate, outer box. Vehicles sold outside of the USA may be different, even if they have same make and model name...(October 21st, 2017)
• 520aa Dacco Transmission Parts Torque Converter (45.5% similar) Orders take hours processing time. Typically all parts have a 1 year manufacturer limited warranty...(May 22nd, 2018)
• 524 Dacco Remanufactured Auto Trans 847338020580 (40.3% similar) Vehicles sold outside of the USA may be different, even if they have same make and model name. Shipping labels may only be applied to a separate, outer box...(November 27th, 2017)
• 526 Dacco Remanufactured Auto Trans 847338020597 (38.7% similar) Shipping labels may only be applied to a separate, outer box. Vehicles sold outside of the USA may be different, even if they have same make and model name...(November 27th, 2017)
• 564 Dacco Remanufactured Auto Trans 847338020696 (38.7% similar) Vehicles sold outside of the USA may be different, even if they have same make and model name. Shipping labels may only be applied to a separate, outer box...(September 10th, 2017)
• 568 Dacco Remanufactured Auto Trans 847338020740 (40.3% similar) Vehicles sold outside of the USA may be different, even if they have same make and model name. Shipping labels may only be applied to a separate, outer box...(October 21st, 2017)
• 582y-90 Dacco Torque Converter Dodge Neon (42.7% similar) 60 bolt CIRCLE4 mounting pads 90 degrees, 10MM x Dacco 582Y-90 torque converter re-manufactured by DACCO10 DIAMETER8. 5MILLED flats on hub pilot 0LQUESTIONS. I can only help if the vehicle is original and not been modified...(September 2nd, 2018)
• 583ws Dacco Transmission Parts Torque (31.9% similar) Typically all parts have a 1 year manufacturer limited warranty. Orders take hours processing time...(September 16th, 2017)