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Four Seasons 3908N A/C Compressor and Component Kit - Front
Reliable A/C Compressor Kit for Chevrolet, GMC, Isuzu, and Saab
The Four Seasons PAC-Kit w/ New Compressor 3908N is designed to restore efficient air conditioning performance in select Chevrolet, GMC, Isuzu, and Saab vehicles. This A/C compressor kit provides a complete solution for models such as the Chevrolet Trailblazer and GMC Envoy, ensuring proper fit and function.
- Complete A/C compressor kit including new compressor
- Compatible with Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender, and Saab 9-7x
- Part number 3908N for precise identification and fitment
- Designed to meet OEM specifications for reliable operation
- Includes components necessary for a straightforward replacement
About the Four Seasons PAC-Kit w/ New Compressor Line
The PAC-Kit w/ New Compressor product line from Four Seasons offers a comprehensive solution for A/C system repairs by combining a new compressor with essential components in one kit. This approach simplifies installation and helps ensure compatibility with the vehicle’s HVAC system. The 3908N kit is part of this line, providing a ready-to-install compressor kit tailored for specific makes and models.
Product Details and Compatibility
This A/C compressor kit is engineered for use in Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender, and Saab 9-7x models. The part number 3908N identifies this kit within the Four Seasons catalog, ensuring you receive the correct compressor and components for your vehicle. The kit supports the HVAC system by replacing worn or faulty compressors, restoring proper refrigerant flow and cooling efficiency.
Common Applications and Issues Addressed
- Restores cooling performance in vehicles with failing A/C compressors
- Eliminates compressor noise or clutch slippage
- Resolves refrigerant leaks associated with compressor failure
- Addresses intermittent or no A/C operation due to compressor malfunction
- Prevents further damage to the A/C system by replacing worn components
Installation Notes and Tips
Installation of the Four Seasons 3908N PAC-Kit w/ New Compressor should be performed by a qualified technician familiar with the HVAC systems of Chevrolet, GMC, Isuzu, and Saab vehicles. Proper evacuation and recharge of the refrigerant system are necessary to ensure optimal performance. Verify compatibility with your specific model and year before installation.
Quality Assurance and Warranty
Four Seasons products are manufactured to meet or exceed industry standards for durability and performance. The PAC-Kit w/ New Compressor 3908N undergoes quality checks to ensure reliable operation. Please refer to Four Seasons’ warranty policy for coverage details related to this A/C compressor kit.
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2009 | GMC | Envoy | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2009 | Saab | 9-7x | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2008 | Chevrolet | Trailblazer | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2008 | GMC | Envoy | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2008 | Isuzu | Ascender | Front | 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor | ||
| 2008 | Saab | 9-7x | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2007 | Chevrolet | Trailblazer | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2007 | GMC | Envoy | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2007 | Isuzu | Ascender | Front | 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor | ||
| 2007 | Saab | 9-7x | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2006 | Chevrolet | Trailblazer | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2006 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2006 | GMC | Envoy | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2006 | GMC | Envoy XL | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2006 | Isuzu | Ascender | 4.2L | L6 | Front | 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2006 | Saab | 9-7x | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2005 | Chevrolet | Trailblazer | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor | ||
| 2005 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2005 | GMC | Envoy | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2005 | GMC | Envoy XL | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2005 | GMC | Envoy XUV | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2005 | Isuzu | Ascender | 4.2L | L6 | Front | 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2005 | Saab | 9-7x | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2004 | Chevrolet | Trailblazer | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor | ||
| 2004 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2004 | GMC | Envoy | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor | ||
| 2004 | GMC | Envoy XL | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2004 | GMC | Envoy XUV | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2004 | Isuzu | Ascender | 4.2L | L6 | Front | 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2003 | Chevrolet | Trailblazer | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor | ||
| 2003 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2003 | GMC | Envoy | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor | ||
| 2003 | GMC | Envoy XL | 4.2L | L6 | Front | w/ TRSA12 Compressor; w/ Rear AC; 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2003 | Isuzu | Ascender | 4.2L | L6 | Front | 78561 (New Compressor), 83222 (Accum), 38887 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.