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Four Seasons 4202NK A/C Compressor and Component Kit - Front and Rear
Reliable A/C Compressor Kit for Chevrolet and GMC Vehicles
The Four Seasons Complete A/C Kit 4202NK provides a comprehensive solution for restoring air conditioning performance in Chevrolet Envoy, Envoy XL, GMC Trailblazer, and Trailblazer EXT models. This kit includes all necessary components to replace the compressor and related parts, ensuring efficient cooling and system reliability.
- Includes new compressor (part 78561) with compressor oil
- Equipped with receiver drier/accumulator (part 83046) featuring P-nut fittings
- Standard orifice tube (part 38887) with .062 inch diameter in yellow/white color
- Gaskets and seals included for proper installation
- Designed for R134a refrigerant systems
Complete A/C Kit Product Line Overview
The Four Seasons Complete A/C Kit line offers a full set of components required for a complete air conditioning system overhaul. This kit line simplifies repairs by providing a new compressor along with essential parts such as the receiver drier, orifice tube, and necessary seals. The 4202NK kit is tailored for specific Chevrolet and GMC models, ensuring compatibility and reducing the need for additional parts.
Detailed Product Description
The Four Seasons 4202NK kit includes a new compressor pre-filled with the correct type of compressor oil, designed to maintain optimal lubrication and performance. The included receiver drier/accumulator measures 3.5 inches in diameter and 9 inches in length, with 0.75 inch P-nut inlet and outlet fittings (19.05 mm), ensuring proper refrigerant flow and moisture removal. The orifice tube is a standard style with a .062 inch diameter, color-coded yellow/white for easy identification. Gaskets and seals are provided to ensure a secure, leak-free installation. This kit is specifically engineered for R134a refrigerant systems found in Chevrolet Envoy, Envoy XL, GMC Trailblazer, and Trailblazer EXT vehicles.
Common Applications and Issues Addressed
- Replacement of a failing or seized A/C compressor
- Restoring cooling efficiency in Chevrolet Envoy and GMC Trailblazer A/C systems
- Resolving refrigerant leaks due to worn gaskets or seals
- Eliminating moisture and contaminants with a new receiver drier/accumulator
- Upgrading orifice tube to correct size for proper refrigerant flow
Installation Notes and Tips
- Ensure system is fully evacuated and flushed before installation
- Verify compatibility with Chevrolet Envoy, Envoy XL, GMC Trailblazer, and Trailblazer EXT models
- Use the included compressor oil to refill the system as needed
- Replace all gaskets and seals to prevent leaks
- Follow manufacturer torque specifications for fittings and mounting bolts
Quality Assurance and Warranty
The Four Seasons Complete A/C Kit 4202NK is backed by a limited lifetime warranty, providing assurance of product durability and performance. Each component is manufactured to meet or exceed OEM specifications, ensuring reliable operation within the specified Chevrolet and GMC vehicle applications.
| Brand | Four Seasons |
|---|---|
| Part Number | 4202NK |
| Position | Complete A/C Kit, Front and Rear |
| Compressor Oil Included | Included |
| Compressor Oil Type | Oil |
| Expansion Device Type | Orifice Tubes |
| Gasket / Seals? | Included |
| Kit Includes | 78561 (New Compressor), 83046 (Accum), 38887 (Orifice), 39011 (Exp Valve), 59007 (Oil), O-Rings |
| Orifice Dia. IN | .062 |
| Orifice Tube Color | Yellow / White |
| Orifice Tube Style | Standard |
| Receiver Drier/Accumulator Diameter IN | 3.500 |
| Receiver Drier/Accumulator Inlet Fitting Size IN | 0.750 |
| Receiver Drier/Accumulator Inlet Fitting Size MM | 19.050 |
| Receiver Drier/Accumulator Inlet Fitting Type | P-Nut Fitting |
| Receiver Drier/Accumulator Length IN | 9.000 |
| Receiver Drier/Accumulator Outlet Fitting Size IN | 0.750 |
| Receiver Drier/Accumulator Outlet Fitting Size MM | 19.050 |
| Receiver Drier/Accumulator Outlet Fitting Type | P-Nut Fitting |
| Refrigerant Type | R134a |
| Type | Complete Air Conditioning Kit w/ New Compressor |
| Warranty | Limited Lifetime |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Chevrolet | Trailblazer | Front and Rear | w/ TRSA12 Compressor; Includes: 78561 (New Compressor), 83046 (Accum), 38887 (Orifice), 39011 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2002 | Chevrolet | Trailblazer EXT | Front and Rear | w/ TRSA12 Compressor; Includes: 78561 (New Compressor), 83046 (Accum), 38887 (Orifice), 39011 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2002 | GMC | Envoy | Front and Rear | w/ TRSA12 Compressor; Includes: 78561 (New Compressor), 83046 (Accum), 38887 (Orifice), 39011 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2002 | GMC | Envoy XL | Front and Rear | w/ TRSA12 Compressor; Includes: 78561 (New Compressor), 83046 (Accum), 38887 (Orifice), 39011 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit |
* 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.