DACCO 39967HZTZ Auto Trans Torque Converter

( Brand: Dacco ), ( Manufacturer Part Number: 39967HZTZ ), ( Part Type: Torque Tran Converter ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Automatic Transmission Torque Converter Converter Codes ), ( Application: Chevrolet Silverado 3500 Classic Auto Trans Torque Converter ), ( Product Name 2: Automatic Transmission Torque Converter ), ( Cs-sku: 400 )

Review DACCO Chevrolet Auto Trans Torque Converter fits SILVERADO CLASSIC 3500 2007

The **DACCO 39967HZTZ Torque Converter** is a high-performance, factory-replacement component meticulously engineered to restore and enhance the drivability, responsiveness, and overall efficiency of the **2007 Chevrolet Silverado 3500 HD Classic with an automatic transmission**. Designed to seamlessly integrate with the GM 6L90/E4OD transmission system, this torque converter delivers a robust yet smooth engagement, ensuring optimal power transfer from the engine to the drivetrain while minimizing harsh shifts and sluggish acceleration. Crafted from premium materials, including a high-strength aluminum housing and a durable, heat-resistant clutch assembly, this converter is built to withstand the demanding torque demands of the **V8 powerplants** commonly found in this model, including the **LQ9, LS9, or LB7 engines**, without compromising longevity or performance.

What sets the DACCO 39967HZTZ apart is its **precision-engineered stamping and balancing**, which eliminates vibration and ensures a near-flawless operation, reducing wear on the transmission and fluid pump over time. The converter features a **multi-disc clutch pack** with optimized friction material, allowing for a progressive shift feel that adapts to both light-duty towing and heavy-duty hauling scenarios. This design minimizes the risk of **fluid slippage** and **overheating**, even under prolonged high-load conditions, making it an ideal upgrade for those who demand reliability without sacrificing performance. Additionally, the **factory-matched dimensions and bolt patterns** ensure a perfect fit, eliminating the need for modifications or adjustments, while the **sealed bearing assembly** guarantees smooth operation and extended service life.

For enthusiasts and fleet operators who prioritize **durability and efficiency**, the DACCO 39967HZTZ is a standout choice, offering a **cost-effective alternative to OEM replacements** without the premium price tag. Whether restoring a classic Silverado to its original glory or upgrading an existing system for better towing capacity, this torque converter delivers a **smooth, responsive shift feel** that enhances the driving experience while maintaining the integrity of the transmission. With its **rugged construction, high-performance clutch pack, and compatibility with GM s 6L90/E4OD architecture**, this part is a testament to DACCO s commitment to quality, ensuring that your **2007 Chevrolet Silverado 3500 HD Classic** operates with the precision and power it was designed for.

### **Pros and Cons of buying a DACCO 39967HZTZ Torque Converter for a 2007 Chevrolet Silverado 3500 (Classic Auto Transmission)**

1. **Compatibility** The DACCO 39967HZTZ is specifically designed for GM 6L90 and 6L70 automatic transmissions, which are used in the 2007 Chevrolet Silverado 3500 with a classic auto transmission. This ensures a proper fit without modifications.

2. **Improved Performance** Many aftermarket torque converters are engineered to enhance stall speed, torque multiplication, and overall transmission performance, which can lead to better acceleration and towing capability.

3. **Durability** DACCO is a well-known brand in the performance and heavy-duty transmission parts market, known for producing high-quality, long-lasting components. This converter is built to withstand the demands of heavy-duty applications.

4. **Ease of Installation** Since it is a direct replacement, installation is relatively straightforward for those with basic mechanical skills. No major transmission modifications are typically required.

5. **Cost-Effective Upgrade** Compared to a full transmission rebuild or replacement, upgrading to a performance torque converter is often a more affordable way to improve drivability and power delivery.

6. **Better Shift Feel** Some drivers report smoother shifts and a more responsive transmission when using a high-performance torque converter, especially in stop-and-go traffic or when towing.

7. **Warranty Coverage** DACCO products usually come with a warranty, providing some assurance against defects in materials or workmanship.

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1. **Potential for Transmission Strain** A higher-performance torque converter increases stall speed, which can put additional stress on the transmission if not properly matched with the rest of the drivetrain (e.g., clutch, flywheel, or transmission fluid). This may lead to premature wear if the transmission is not already in good condition.

2. **Requires Proper Fluid Matching** Some performance converters work best with specific transmission fluids (e.g., high-performance ATF). Using the wrong fluid can reduce efficiency or even damage the converter.

3. **May Void Warranty** If your vehicle is still under manufacturer warranty, installing an aftermarket torque converter could void coverage, especially if the dealer determines it was not an OEM part.

4. **Learning Curve for Driving** A higher stall speed converter can make the transmission feel "softer" or less responsive at low RPMs. Some drivers may need to adjust their driving style to compensate, especially in stop-and-go traffic.

5. **Cost of Installation** While the part itself is reasonably priced, professional installation may add to the expense, especially if additional work (e.g., fluid flush or transmission inspection) is needed.

6. **Risk of Overheating** If the transmission is not adequately cooled (e.g., weak radiator, poor fluid circulation), the increased workload from a performance converter can lead to overheating.

7. **Not a Cure for Transmission Issues** If your transmission is already failing (e.g., slipping, leaking, or damaged internal components), replacing just the torque converter will not fix underlying problems. A full rebuild may be necessary.

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The DACCO 39967HZTZ torque converter is a solid choice for a 2007 Chevrolet Silverado 3500 with a classic auto transmission if you are looking to enhance performance, especially for towing or hauling. It offers compatibility, durability, and improved drivability, making it a worthwhile upgrade for many owners. However, it is not a universal fix it requires careful consideration of your transmission s current condition, proper fluid use, and potentially adjustments to driving habits.

If your transmission is in good working order and you are prepared for the minor learning curve and potential additional strain on the drivetrain, this converter can be a beneficial upgrade. Conversely, if your transmission is already degraded or you are unsure about installation, consulting a professional mechanic before purchasing is advisable.

- Your transmission is in good condition and you want to improve performance for towing or acceleration.

- You are comfortable with basic mechanical work or plan to have it professionally installed.

- You use the correct high-performance transmission fluid (e.g., Mopar ATF 4, Dexron VI, or a synthetic ATF recommended by DACCO).

- You are aware of the potential for a softer shift feel and adjust your driving accordingly.

- Your transmission shows signs of wear (slipping, rough shifts, leaks) and has not been serviced recently.

- You are unsure about the condition of your flywheel or clutch (if applicable).

- You are on a tight budget and cannot afford potential additional costs (e.g., fluid flush, professional installation).

- Your vehicle is still under manufacturer warranty, as aftermarket parts may void coverage.

For the best results, pair this upgrade with a transmission fluid flush and consider monitoring the transmission s performance after installation. If you notice unusual noises, overheating, or shifting issues, have it inspected promptly.

Details:

Parts Geek - For 2007 Chevrolet Silverado 3500 Classic Auto Trans Torque Converter 39967HZTZ: Review Fitment Notes to Ensure Proper Fit condition: Remanufactured Brand: Dacco Notes: Automatic Transmission Codes:210,29534832,29538197,29538531,29543015; Note:Stall: 2100-2200; Note:Heavy Duty Billet Cover 12 Month Warranty Vehicle: Engine: Transmission: Classic6.0L V810 Classic8.1L V81000.

part #: 39967hztz price

• $432.08

specifications torquconv:

• for models: 3500, Silverado, Classic
• for makes: Chevrolet
• for years: 2007
• brand: Dacco
• mpn: 39967hztz
• part type: Torque Tran Converter
• manufacturer warranty: 12 Month Warranty
• notes: Automatic Transmission Torque Converter Converter Codes
• application: Chevrolet Silverado 3500 Classic Auto Trans Torque Converter
• product name 2: Automatic Transmission Torque Converter
• cs-sku: 400

seller torquconv:

• # reviews: 328559
• city: Rockville Centre, New York
• rating: 98.8%

offer torquconv:

• sold: 0
• quantity: 1
• started: April 16, 2026
• availability: In Stock
• options: Ship-to-home

payments torquconv:

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

returns torquconv:

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

shipping torquconv:

• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• transit: 3-7 Days
• cost: $0.00
• type: Fixed
• carrier: FedEx

general torquconv:

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

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