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  3. KARPARTS360 ALX-PAU-RB-924-978-CLA5

KARPARTS360 ALX-PAU-RB-924-978-CLA5 Transmission Interlock 800111840324 Solenoid

fits model: Trailblazer. make: Chevy. year: 2002–2009.

Alx-pau-rb-924-978-cla5 Karparts360 For Chevy Trailblazer 2002-2009 Transmission Shift Interlock Solenoid Black

( Brand: Karparts360 ), ( Manufacturer Part Number: ALX-PAU-RB-924-978-CLA5 ), ( Part Type: Transmission Solenoid ), ( Color: Black ), ( Features: Easy Installation ), ( Oe/oem Part Number: 88967140 ), ( Item Height: 3.030 ), ( Item Weight: 0.2800 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: Part ), ( Intended Use: Automobiles ), ( Misc Fitment Notes: See Notes ), ( Manufacturer Warranty: 1 Year ), ( UPC: 800111840324 )

Review KARPARTS360 Chevy Transmission Shift Interlock Solenoid Black fits TRAILBLAZER 2002–2009

The **KarParts360 ALX-PAU-RB-924-978-CLA5** is a high-quality, direct-fit **transmission interlock solenoid** specifically engineered for **2002 through 2009 Chevrolet Trailblazer** models equipped with the **4L60-E or 4L65-E automatic transmission**. This precision-crafted component is designed to replace the factory-standard interlock solenoid, ensuring seamless integration with the vehicle s powertrain control module (PCM) and transmission control system. The solenoid plays a critical role in the transmission s shift logic, preventing unintended gear engagement during shifting sequences and maintaining proper synchronization between the torque converter and transmission bands. Constructed from durable materials, this solenoid features a robust internal coil and a reliable mechanical actuator, delivering consistent performance under normal operating conditions while minimizing wear over extended use. Its compact yet sturdy design ensures a secure fit within the transmission s valve body, reducing the risk of leaks or misalignment that could lead to transmission malfunctions. Whether addressing a faulty solenoid causing erratic shifting, delayed engagement, or even a "stuck in park" issue, this replacement part is engineered to restore optimal transmission function, enhance drivability, and extend the longevity of the vehicle s automatic transmission system. Ideal for both professional mechanics and DIY enthusiasts, the **ALX-PAU-RB-924-978-CLA5** is a trusted choice for maintaining the reliability of your Trailblazer s transmission, offering a direct replacement that meets or exceeds OEM specifications.

**Pros and Cons of buying a KarParts360 ALX-PAU-RB-924-978-CLA5 Transmission Interlock Solenoid for a 2002 2009 Chevy Trailblazer**

### **Pros:**

1. **Direct Fitment** This part is specifically designed for the 2002 2009 Chevrolet Trailblazer, ensuring compatibility without modifications. It matches the original equipment manufacturer (OEM) specifications, reducing the risk of installation issues.

2. **Reliability** KarParts360 is a reputable aftermarket supplier known for producing high-quality, durable automotive parts. The interlock solenoid is a critical component in the transmission s shift mechanism, and a reliable unit helps prevent transmission malfunctions, rough shifting, or failure to engage gears.

3. **Cost-Effective Alternative** Compared to OEM parts, this aftermarket solenoid is often priced lower while maintaining similar performance. It can be a budget-friendly solution for repairs without sacrificing quality.

4. **Easy Installation** The part is designed to replace the original solenoid directly, and many users report that it installs similarly to the OEM component. Basic mechanical skills and standard tools are usually sufficient for replacement, though some may require a transmission jack or lift for access.

5. **Warranty and Support** KarParts360 offers warranties on its parts, providing some recourse if the solenoid fails prematurely due to defects. Their customer service is generally responsive, which can be helpful if issues arise post-purchase.

6. **Prevents Further Damage** A faulty interlock solenoid can cause undue stress on the transmission, leading to more expensive repairs. Replacing it promptly can extend the lifespan of the transmission and avoid costly overhauls.

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### **Cons:**

1. **Quality Variability** While KarParts360 is a trusted brand, aftermarket parts can sometimes vary in quality compared to OEM components. Some users report minor differences in fit or durability, though these are often rare with well-reviewed suppliers like KarParts360.

2. **Potential Counterfeit Concerns** There is a risk of receiving a counterfeit or low-quality part, especially if purchased from unauthorized sellers or third-party marketplaces. Buying directly from KarParts360 s official website or authorized dealers minimizes this risk.

3. **Limited Availability of OEM Parts** If you prefer OEM components for absolute reliability, this aftermarket solenoid may not be the best choice. However, for most drivers, the performance difference is negligible, and the cost savings are significant.

4. **Installation Complexity** While the solenoid itself is straightforward to replace, accessing it may require removing the transmission pan, shifting solenoids, or other components. This can be time-consuming for inexperienced DIYers, and mistakes during installation (e.g., improper wiring or sealing) could lead to further issues.

5. **No Free Returns or Exchanges** Some aftermarket suppliers have strict return policies, especially for mechanical parts. If the solenoid arrives damaged or is incompatible, you may incur shipping costs to return it, though KarParts360 typically handles this smoothly.

6. **Dependence on Accurate Diagnosis** If the solenoid is not the actual cause of your transmission symptoms (e.g., rough shifting, delayed engagement, or error codes), replacing it without addressing the root issue may provide temporary relief but not a permanent fix. Always verify the problem with a scan tool or professional inspection before purchasing.

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### **Conclusion:**

The **KarParts360 ALX-PAU-RB-924-978-CLA5 transmission interlock solenoid** is a **strong, cost-effective choice** for owners of the 2002 2009 Chevy Trailblazer experiencing solenoid-related transmission issues. Its direct fitment, reliability, and affordability make it an attractive option for both DIY enthusiasts and those seeking a quick, high-quality replacement. However, it is not without potential drawbacks, primarily centered around installation complexity and the risk of counterfeit parts if purchased from untrusted sources.

For most users, the **pros outweigh the cons**, especially when combined with proper diagnosis and careful installation. If you are confident in your mechanical abilities or have access to a professional mechanic, this solenoid is a **recommended purchase** for resolving interlock solenoid-related transmission problems efficiently.

**Final Recommendation:**

- **Buy from KarParts360 s official website** to ensure authenticity and warranty coverage.

- **Verify the solenoid is the source of your issue** (check for transmission error codes like P0740, P0741, or P0742) before purchasing.

- **Follow installation instructions carefully**, and consider consulting a transmission specialist if unsure about the process.

- **Test the solenoid post-installation** by shifting through gears and monitoring for smooth operation or recurring error codes.

This solenoid is a **practical and reliable upgrade** for your Trailblazer s transmission system, provided it is the correct diagnosis and installed properly.

Details:

Part: Transmission Shift Interlock Solenoid. Misc Notes 1: SHIFT SOLENOID. Housing Material: Plastic. Please refer to manufacturer for warranty information.

Color: Black. All products ship in pristine and original manufacturer packaging. KarParts360 For Chevy Trailblazer 2002 2009 Transmission Shift Interlock Solenoid Plastic Housing Black Color Female Connector Shiftier Assembly Mounting Location Replacement 88967140: Item condition: Brand New in Original Box. Built for Durability: Made from high-quality materials, this product has been tested to ensure long-lasting performance.

Brand New - Sealed in a Box. OEM Numbers: 88967140. OEM Part #:88967140.

part #: alxpaurb924978cla5 price

  • $131.58

specifications chvyacheatercontrols:

  • for models: Trailblazer
  • for makes: Chevy
  • for years: 2002-2009
  • brand: Karparts360
  • mpn: Alx-pau-rb-924-978-cla5
  • part type: Transmission Solenoid
  • color: Black
  • features: Easy Installation
  • oe/oem part number: 88967140
  • item height: 3.030
  • item weight: 0.2800
  • fitment type: Direct Replacement
  • generic keywords 1: Part
  • intended use: Automobiles
  • misc fitment notes: See Notes
  • manufacturer warranty: 1 Year
  • upc: 800111840324

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  • condition: New
  • Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units

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  • started: April 20, 2026
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for models: trailblazer, for makes: chevy, for years: 2002-2009, part type: transmission solenoid, features: easy installation, oe/oem part number: 88967140, item height: 3.030, item weight: 0.2800, fitment type: direct replacement, generic keywords 1: part, intended use: automobiles, misc fitment notes: see notes, manufacturer warranty: 1 year,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, color: black, sku: 11678467896753663,
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  • New. Offer #1 priced at $131.58 + $0.00 shipping estimate = $131.58* total. - Color: Black Part: Transmission Shift Interlock Solenoid.FREE SHIPPING

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