1. Torque Converters For Sale
  2. sku: 7543797572072602
  3. AC DELCO 78MJRZM43

AC DELCO 78MJRZM43 Auto Trans Torque Converter Savana

fits model: 1500, 2500, Canyon, Envoy, Xuv.

78mjrzm43 Ac Delco Auto Trans Torque Converter For Canyon Envoy Xl Xuv Savana 1500 2500

( Brand: Ac Delco ), ( Manufacturer Part Number: 78MJRZM43 ), ( Type: Auto Trans Torque Converter ), ( Fits 1: 2009-2012 Gmc Canyon ), ( Fits 2: 2005-2009 Gmc Envoy ), ( Fits 3: 2005-2009 Gmc Yukon ), ( Fit Note: Automatic Transmission Torque Converter Remanufactured; Rem. ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review AC DELCO Auto Trans Torque Converter Xl Savana fits CANYON ENVOY XUV 1500 2500

The **AC Delco 78MJRZM43 Original Equipment (OEM) Torque Converter** is a high-performance, factory-matched fluid coupling designed specifically for select **2007 2013 Chevrolet Canyon, GMC Canyon, Chevrolet Envy XL, GMC Envoy XL, and Chevrolet/Silverado 1500/2500 HD** models equipped with the **5L40-E or 5L45-E 4L65-E automatic transmission**. Engineered to meet or exceed original equipment specifications, this torque converter delivers seamless shifting, improved fuel efficiency, and enhanced towing capacity by maintaining optimal hydraulic balance and clutch engagement. Crafted from durable, high-grade materials, including a reinforced aluminum housing and precision-machined components, the 78MJRZM43 ensures reliable performance under demanding conditions, whether hauling heavy loads, towing trailers, or navigating rough terrain. Its **stamped-stator design** and **optimized fluid dynamics** reduce slippage, minimize transmission wear, and extend the lifespan of the entire drivetrain system. Backed by **AC Delco s reputation for quality and compatibility**, this direct-fit replacement eliminates the guesswork of aftermarket alternatives, providing the same seamless operation as the original part while offering added durability for long-term use. Whether restoring a classic vehicle or upgrading an existing system, the 78MJRZM43 is the ideal choice for drivers seeking **OEM-level performance, ease of installation, and peace of mind** in their Chevrolet or GMC application.

### **Pros and Cons of buying a AC Delco 78MJRZM43 Auto Transmission Torque Converter for the Chevrolet Canyon, Envoy XL, and Savana (1500/2500)**

#### **Pros:**

1. **OEM Quality and Compatibility** The AC Delco brand is a trusted aftermarket manufacturer that produces parts designed to meet or exceed original equipment standards. This torque converter is specifically engineered for the **4L60-E and 4L65E transmissions** found in the Chevrolet Canyon, Envoy XL, and Savana (1500/2500) models, ensuring proper fitment and performance.

2. **Reliability and Durability** AC Delco parts are known for their robustness, often built to withstand heavy-duty applications. If your vehicle experiences transmission slipping, overheating, or fluid leaks, replacing the torque converter with this unit can restore smooth shifting and prevent further damage.

3. **Cost-Effective Alternative to OEM** While not an exact factory part, this aftermarket torque converter is significantly cheaper than purchasing a genuine GM torque converter. It provides a balance between affordability and quality, making it a practical choice for budget-conscious buyers.

4. **Improved Transmission Performance** A failing torque converter can cause harsh shifts, delayed engagement, or even transmission failure. Replacing it with this unit can eliminate these issues, leading to better acceleration, smoother gear changes, and reduced strain on the transmission.

5. **Widely Available and Easy to Install** AC Delco parts are stocked by many auto parts stores, making them accessible for DIY enthusiasts. Installation is straightforward if you have basic mechanical skills, though professional assistance may be recommended for those unfamiliar with transmission work.

6. **Compatibility with Aftermarket Upgrades** If you ve modified your vehicle (e.g., performance chips, larger pulleys, or upgraded transmission coolers), this torque converter can integrate well with those changes, provided the transmission fluid and cooling system are properly maintained.

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#### **Cons:**

1. **Not a Direct OEM Replacement** While high-quality, this is an aftermarket part rather than a genuine GM torque converter. Some purists or dealerships may prefer OEM components for warranty or resale purposes, though the performance difference is often negligible.

2. **Potential Quality Variations** Like all aftermarket parts, there is a slight risk of receiving a subpar unit if purchasing from an untrusted seller. Always buy from reputable retailers (e.g., RockAuto, AutoZone, or local shops with good reviews) to minimize this risk.

3. **Limited Warranty** AC Delco typically offers a **1-year limited warranty** on their torque converters, which may not match the lifetime or extended warranties provided by some OEM parts. If the converter fails prematurely, you ll be responsible for replacement costs.

4. **Installation Complexity** Replacing a torque converter requires draining transmission fluid, removing the transmission pan, and accessing the converter itself. While not extremely difficult, it is a labor-intensive process that may require specialized tools (e.g., torque converter tool, fluid pump, etc.). Improper installation can lead to leaks or transmission damage.

5. **Transmission Fluid Must Be Fresh** A torque converter replacement is an ideal time to **flush and refill the transmission fluid**. Neglecting this step can reduce the lifespan of the new converter, as old or contaminated fluid can cause overheating and wear.

6. **Potential for Misalignment or Damage** If the transmission housing or converter housing is damaged, a new converter may not fit properly, leading to leaks or shifting issues. Inspecting these components during installation is crucial.

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### **Conclusion and Recommendation**

The **AC Delco 78MJRZM43 torque converter** is a **strong, cost-effective choice** for Chevrolet Canyon, Envoy XL, and Savana (1500/2500) owners experiencing transmission problems. It offers **reliable performance, ease of installation, and compatibility** with these vehicles transmissions, making it a practical upgrade for those looking to restore smooth shifting and prevent further damage.

**Recommendation:**

- **Buy from a trusted source** (e.g., RockAuto, AutoZone, or a reputable online retailer) to ensure quality.

- **Replace transmission fluid** during installation this is a critical step for long-term converter health.

- **Consider professional installation** if you lack experience with transmission work, as improper handling can void warranties or cause damage.

- **Monitor performance post-installation** if issues persist (e.g., slipping, overheating), inspect for leaks, fluid contamination, or other transmission problems.

**Final Verdict:** This torque converter is an **excellent aftermarket option** for these vehicles, offering a **good balance of quality, affordability, and performance**. If your transmission is failing due to a bad converter, this part will likely resolve the issue effectively. However, if you re unsure about installation or want the absolute longest warranty, an **OEM replacement** may be worth the higher cost.

Details:

part #: 78mjrzm43 price

  • $654.09

specifications torquconv:

  • for models: 1500, 2500, Canyon, Envoy, Xuv
  • brand: Ac Delco
  • mpn: 78mjrzm43
  • type: Auto Trans Torque Converter
  • fits 1: 2009-2012 Gmc Canyon
  • fits 2: 2005-2009 Gmc Envoy
  • fits 3: 2005-2009 Gmc Yukon
  • fit note: Automatic Transmission Torque Converter Remanufactured; Rem.
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

offer torquconv:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: May 12, 2026
  • options: Ship-to-home

seller torquconv:

  • rating: 97.3%
  • city: Cincinnati, Ohio
  • # reviews: 57968

shipping torquconv:

  • cost: $0.00
  • transit: 3-7 Days
  • type: Fixed
  • class: Standard
  • service: Standard

general torquconv:

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

payments torquconv:

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  • wallet: Google-pay
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returns torquconv:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: 1500, 2500, canyon, envoy, xuv, type: auto trans torque converter, fits 1: 2009-2012 gmc canyon, fits 2: 2005-2009 gmc envoy, fits 3: 2005-2009 gmc yukon, fit note: automatic transmission torque converter remanufactured; rem., manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > transmission drivetrain > torque converters, sku: 7543797572072602,
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  • Remanufactured. Offer #1 priced at $654.09 + $0.00 shipping estimate = $654.09* total. FREE SHIPPING

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