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  3. AC DELCO 11SJSRB55

AC DELCO 11SJSRB55 Auto Trans Torque Converter 97X

fits make: Saab. year: 2005–2009.

11sjsrb55 Ac Delco Auto Trans Torque Converter For Saab 97x 2005 2006 2007 2008 2009

( Brand: Ac Delco ), ( Manufacturer Part Number: 11SJSRB55 ), ( Type: Auto Trans Torque Converter ), ( Fits 1: 2005-2009 Saab 97x ), ( 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 Saab 97x fits 2005–2009

The **AC Delco 11SJS-RB55 Auto Transmission Torque Converter** is a high-performance, factory-replacement component meticulously engineered to restore peak efficiency and smooth operation to the automatic transmission systems found in **Saab 9-7X models from 2005 through 2009**. Designed to meet or exceed OEM specifications, this torque converter is built with precision-crafted components to ensure seamless engagement, optimal torque multiplication, and reliable performance under demanding driving conditions. The **11SJS-RB55** is specifically tailored for the **GM-built 6T40/6T45/6T50 automatic transmissions** commonly found in these Saab vehicles, delivering the same level of durability and responsiveness as the original equipment while offering enhanced longevity and reduced wear on the transmission system.

Constructed from high-grade materials, including a robust **stamped steel housing** and a **precision-balanced impeller and turbine assembly**, this torque converter is engineered to handle the torque demands of the Saab 9-7X s powerful engines, whether paired with a **3.6L V6, 3.2L V6, or 2.8L turbocharged inline-six**. The **clutch assembly** features a **multi-plate friction system** with optimized friction material, ensuring smooth shifts and minimal slippage, even during aggressive acceleration or towing scenarios. The **pump housing** is designed with a **high-flow impeller** to maximize fluid circulation, reducing heat buildup and extending the lifespan of the transmission fluid, while the **stator** is precision-machined to enhance torque multiplication and improve overall efficiency.

One of the standout features of the **AC Delco 11SJS-RB55** is its **sealed bearing assembly**, which minimizes internal friction and prevents fluid leakage, contributing to quieter operation and reduced transmission wear over time. The torque converter is also **factory-matched** to the Saab 9-7X s transmission system, ensuring compatibility with the **solenoid pack, valve body, and torque converter housing**, which eliminates the need for additional modifications or adjustments. Whether you're restoring a classic Saab 9-7X to its original driving dynamics or upgrading an older transmission, this torque converter delivers **reliable performance, extended service life, and the confidence of a trusted OEM-quality replacement**.

Built to withstand the rigors of daily driving, towing, and performance applications, the **AC Delco 11SJS-RB55** is a cost-effective solution for restoring transmission functionality without compromising on quality. With its **durable construction, precise engineering, and seamless integration** into the Saab 9-7X s transmission system, this torque converter is an essential component for anyone seeking to maintain or enhance the drivability of their vehicle. Backed by **AC Delco s reputation for reliability**, this part is a dependable choice for both professional mechanics and DIY enthusiasts looking to keep their Saab running at its best.

Buying the **AC Delco 11SJS-RB55 Auto Trans Torque Converter** for a **Saab 9-7X (2005 2009)** with a **5-speed automatic transmission** (based on the GM 6T70/6T75/6T75/6T75A) has both advantages and drawbacks. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of the AC Delco 11SJS-RB55 Torque Converter**

1. **OEM Compatibility**

The AC Delco brand is a well-known aftermarket supplier that closely replicates original equipment manufacturer (OEM) parts. The **11SJS-RB55** is designed to match the torque converter specifications for the **GM 6T7x series transmissions** used in the Saab 9-7X, ensuring proper fitment and function.

2. **Reliability and Durability**

AC Delco parts are generally built to withstand the demands of automatic transmissions, reducing the risk of premature failure compared to lower-quality aftermarket alternatives. The torque converter is designed to handle the torque output of the **3.6L V6 (LS1-based)** and **3.9L V8** engines in the Saab 9-7X, which are common in these models.

3. **Cost-Effective Replacement**

Purchasing a new AC Delco torque converter is often more affordable than buying an OEM replacement directly from Saab or GM. It provides a balance between quality and price, making it a practical choice for owners who want a reliable part without paying premium OEM prices.

4. **Warranty Coverage**

AC Delco typically offers a warranty (usually 1 2 years) on their torque converters, providing some assurance against manufacturing defects. This can be beneficial if the converter fails shortly after installation due to a flaw.

5. **Ease of Installation**

Since the part is designed for the GM 6T7x transmission, it should fit seamlessly with the existing transmission housing and fluid lines. Most mechanics and DIYers familiar with automatic transmissions can install it without major modifications.

6. **Performance Consistency**

The torque converter is engineered to work efficiently with the transmission s valve body and pump, ensuring smooth shifting and clutch engagement. This can help prevent issues like slipping, delayed engagement, or harsh shifts that often accompany worn-out converters.

7. **Availability and Support**

AC Delco is widely available through auto parts stores, online retailers, and dealerships. If issues arise, finding replacement parts or technical support is relatively straightforward.

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### **Cons of the AC Delco 11SJS-RB55 Torque Converter**

1. **Potential for Wear Over Time**

While AC Delco converters are durable, they are not immune to wear, especially if the transmission fluid is not changed regularly or if the vehicle is driven aggressively. Over time, the clutch material (stator and pump) may degrade, leading to slipping or reduced performance.

2. **Limited Customization**

Unlike some high-performance torque converters, the AC Delco 11SJS-RB55 is not designed for tuning or performance modifications. If you plan to modify your transmission (e.g., for towing or performance tuning), you may need a different converter with a higher stall speed or different clutch material.

3. **Quality Variability**

While AC Delco is a reputable brand, there have been occasional reports of quality control issues in aftermarket parts. Some units may have slight imperfections in the clutch material or balancing, which could lead to minor vibration or noise during operation. Always inspect the part upon arrival and check for recalls or defects.

4. **Not a "Drop-In" Replacement for All Cases**

The **11SJS-RB55** is specific to the **6T7x transmission family**, but there are slight variations between the **6T70 (early models)** and **6T75/6T75A (later models)**. While the fitment is generally compatible, some owners have reported minor issues with fluid flow or clutch engagement if the transmission has been heavily modified or if the converter was installed incorrectly.

5. **Requires Proper Fluid and Maintenance**

A torque converter, like any transmission component, relies on clean, high-quality automatic transmission fluid (ATF). Using the wrong fluid (e.g., synthetic vs. conventional) or neglecting fluid changes can accelerate wear on the converter and transmission. The Saab 9-7X typically requires **GM Dexron VI** or **Mercon V** fluid, and mixing fluids can cause issues.

6. **Installation Risks**

If the transmission has existing damage (e.g., worn bearings, leaks, or internal clutch issues), replacing just the torque converter may not fully resolve transmission problems. A thorough inspection of the transmission is recommended before installation to avoid recurring issues.

7. **Potential for Overheating**

If the transmission is overheating due to poor cooling, extended shifts, or heavy loads, the torque converter clutch material can overheat and fail prematurely. Ensuring the transmission cooler and cooling system are functioning properly is critical.

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### **Conclusion**

The **AC Delco 11SJS-RB55 Torque Converter** is a **solid aftermarket replacement** for the Saab 9-7X (2005 2009) with a **6T7x automatic transmission**. It offers a good balance of **reliability, compatibility, and cost-effectiveness**, making it a practical choice for owners experiencing converter-related issues such as slipping, delayed engagement, or fluid leaks. However, it is not a "forever" solution and will require proper maintenance (regular fluid changes, cooling system checks) to perform optimally.

For most **stock or lightly modified Saab 9-7X owners**, this converter is a **recommended replacement** over cheaper, unknown-brand alternatives. If you plan to **modify the transmission for performance or towing**, consider consulting a transmission specialist to ensure the converter is suitable for your specific application.

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### **Recommendation**

1. **Verify Transmission Model**: Confirm that your Saab 9-7X has the **6T7x transmission** (not a manual or a different automatic variant). The **11SJS-RB55** is specific to this family.

2. **Check for Fluid Leaks or Damage**: Before purchasing, inspect the transmission for leaks or internal damage. A new torque converter alone may not fix underlying issues.

3. **Use the Correct ATF**: Always use **GM Dexron VI or Mercon V** fluid, and follow the manufacturer s fluid change intervals (typically every **30,000 60,000 miles**).

4. **Consider a Professional Installation**: If you are not experienced with transmission work, have a mechanic install the converter to ensure proper alignment and fluid bleeding.

5. **Monitor Performance After Installation**: Listen for unusual noises (whining, grinding) or check for slipping. If issues persist, the transmission may require further servicing.

6. **Explore OEM or High-End Alternatives if Needed**: If you encounter recurring problems, an **OEM torque converter** (from a Saab/GM parts depot) or a **high-performance aftermarket converter** (e.g., **Haynes, Carter, or Torque Converter Direct**) may be worth the investment for long-term reliability.

**Final Verdict**: The **AC Delco 11SJS-RB55** is a **good, cost-effective choice** for replacing a worn torque converter in a Saab 9-7X, provided the transmission is otherwise healthy and properly maintained. For most owners, it will extend the life of the transmission and restore smooth operation.

Details:

Notes Automatic Transmission Torque Converter RemanufActured; RemanufActured-NOT FOR SALE WHERE IMPORTS ARE RESTRICTED.

part #: 11sjsrb55 price

  • $654.12

specifications torquconv:

  • for makes: Saab
  • for years: 2005-2009
  • brand: Ac Delco
  • mpn: 11sjsrb55
  • type: Auto Trans Torque Converter
  • fits 1: 2005-2009 Saab 97x
  • 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:

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

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general torquconv:

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

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for makes: saab, for years: 2005-2009, type: auto trans torque converter, fits 1: 2005-2009 saab 97x, 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: 7503386462611871,
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  • Remanufactured. Offer #1 priced at $654.12 + $0.00 shipping estimate = $654.12* total. Notes Automatic Transmission Torque Converter -- Remanufactured; Remanufactured-NOT FOR SALE WHERE IMPORTS ARE RESTRICTED.FREE SHIPPING

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