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Four Seasons 1754N A/C Compressor Kit - Front
Four Seasons 1754N A/C Compressor Kit
The Four Seasons 1754N PAC-Kit with New Compressor is a front A/C compressor kit for select Buick Rainier, Chevrolet Trailblazer EXT, and GMC Envoy XL applications. It is built for vehicles that need a complete compressor-focused HVAC service solution, including the specified compressor, accumulator, orifice, flush, and oil components listed in the fitment notes.
Key Features
- Four Seasons PAC-Kit w/ New Compressor
- Part number 1754N
- Front HVAC application
- Fits select 2003-2007 Buick Rainier, Chevrolet Trailblazer EXT, and GMC Envoy XL models
- Application-specific notes include TRSA09K and TRSA12B compressor configurations where listed
- Referenced service components in fitment notes: 78548 compressor, 83222 accumulator, 38623 orifice, 69991 flush, and 59007 oil
Detailed Description
Four Seasons 1754N is an A/C compressor kit for front HVAC service on select Buick Rainier, Chevrolet Trailblazer EXT, and GMC Envoy XL vehicles. This PAC-Kit w/ New Compressor is listed for 2005-2007 Buick Rainier, 2004 Buick Rainier with TRSA09K compressor, and 2003 Chevrolet Trailblazer EXT and GMC Envoy XL models without rear A/C in the specified compressor configurations. The part number 1754N is the key reference when matching this kit to the correct vehicle and compressor setup.
This part cross-references common service references for the same application, including 78548 and 83222.
What It Helps Address
- Front A/C compressor failure
- Loss of cabin cooling performance
- Noisy or seized compressor operation
- System service needs tied to accumulator and orifice replacement
- Contamination cleanup after compressor replacement
Installation Notes and Tips
Verify the compressor code and vehicle configuration before ordering. This kit is listed for front position use only and includes fitment-specific notes for TRSA09K and TRSA12B compressor applications, plus 2003 Trailblazer EXT and Envoy XL models without rear A/C. Follow proper A/C service procedures, including system flushing and correct oil handling, to protect the replacement compressor and restore system operation.
Quality Assurance
Four Seasons supplies HVAC service parts for vehicle-specific A/C repair applications. Use the fitment notes and compressor code details to confirm the correct match for your Buick Rainier, Chevrolet Trailblazer EXT, or GMC Envoy XL before installation.
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Buick | Rainier | 5.3L | V8 | Front | 78548 (New Compressor), 83222 (Accum), 38623 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2006 | Buick | Rainier | 5.3L | V8 | Front | 78548 (New Compressor), 83222 (Accum), 38623 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2005 | Buick | Rainier | 5.3L | V8 | Front | 78548 (New Compressor), 83222 (Accum), 38623 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2004 | Buick | Rainier | 5.3L | V8 | Front | w/ TRSA09K Compressor; 78548 (New Compressor), 83222 (Accum), 38623 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2003 | Chevrolet | Trailblazer EXT | 5.3L | V8 | Front | w/ TRSA09K Compressor; w/o Rear AC; 78548 (New Compressor), 83222 (Accum), 38623 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2003 | Chevrolet | Trailblazer EXT | 5.3L | V8 | Front | w/ TRSA12B Compressor; w/o Rear AC; 78548 (New Compressor), 83222 (Accum), 38623 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2003 | GMC | Envoy XL | 5.3L | V8 | Front | w/ TRSA09K Compressor; w/o Rear AC; 78548 (New Compressor), 83222 (Accum), 38623 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ New Compressor |
| 2003 | GMC | Envoy XL | 5.3L | V8 | Front | w/ TRSA12B Compressor; w/o Rear AC; 78548 (New Compressor), 83222 (Accum), 38623 (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.