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Four Seasons 4781NK A/C Compressor and Component Kit
Reliable A/C Compressor Kit for Ford F-250 and F-350 Super Duty
The Four Seasons Complete A/C Kit 4781NK is designed to restore efficient air conditioning performance in Ford F-250 Super Duty and F-350 Super Duty trucks. This comprehensive kit includes all necessary components to replace your vehicle's A/C compressor system with precision and reliability.
- Includes new compressor (part 68192) and accumulator (part 83089)
- Compressor oil included for optimal lubrication
- Standard red orifice tube with .062 inch diameter
- Receiver drier/accumulator with 3-inch diameter and male springlock inlet fitting
- Compatible with R134a refrigerant systems
- Gaskets and seals included for proper installation
- Limited lifetime warranty for long-term assurance
Complete A/C Kit Product Line Overview
The Four Seasons Complete A/C Kit line provides a full set of components required for a thorough A/C system replacement. This kit includes a new compressor, accumulator, orifice tube, and necessary seals and oil, ensuring compatibility and ease of installation. The Complete A/C Kit 4781NK is tailored specifically for Ford Super Duty trucks, offering a convenient solution for restoring factory-level air conditioning performance.
Detailed Product Description
This A/C compressor kit is engineered for Ford F-250 Super Duty and F-350 Super Duty models equipped with R134a refrigerant systems. The kit features a new compressor (part 68192) pre-filled with compressor oil to maintain proper lubrication and system longevity. The included accumulator (part 83089) measures 3 inches in diameter and 9 inches in length, with a male springlock inlet fitting sized at 0.625 inches (19.05 mm) and a P-nut outlet fitting sized at 0.625 inches (15.875 mm). The standard red orifice tube (.062 inch diameter) regulates refrigerant flow effectively within the system. Gaskets and seals are provided to ensure a secure, leak-free installation.
Common Applications and Issues Addressed
- Replacement of worn or failing A/C compressors in Ford F-250 and F-350 Super Duty trucks
- Resolving insufficient cooling or compressor noise
- Fixing refrigerant leaks due to damaged seals or gaskets
- Addressing system contamination with a new accumulator and orifice tube
- Upgrading to a complete kit for comprehensive A/C system repair
Installation Notes and Tips
- Ensure system is fully evacuated and flushed before installation
- Use the included compressor oil to refill the system as specified
- Verify compatibility with R134a refrigerant systems
- Replace all seals and gaskets to prevent leaks
- Follow manufacturer torque specifications for fittings and mounting
Quality Assurance and Warranty
The Four Seasons Complete A/C Kit 4781NK comes with a limited lifetime warranty, reflecting the brand's commitment to quality and durability. Each component is manufactured to meet or exceed OEM standards, providing reliable performance for Ford F-250 Super Duty and F-350 Super Duty vehicles.
| Brand | Four Seasons |
|---|---|
| Part Number | 4781NK |
| Position | Complete A/C Kit |
| Compressor Oil Included | Included |
| Compressor Oil Type | Oil |
| Expansion Device Type | Orifice Tubes |
| Gasket / Seals? | Included |
| Kit Includes | 68192 (New Compressor), 83089 (Accum), 38635 (Orifice), 59007 (Oil), O-Rings |
| Orifice Dia. IN | .062 |
| Orifice Tube Color | Red |
| Orifice Tube Style | Standard |
| Receiver Drier/Accumulator Diameter IN | 3.000 |
| Receiver Drier/Accumulator Inlet Fitting Size IN | 0.625 |
| Receiver Drier/Accumulator Inlet Fitting Size MM | 19.050 |
| Receiver Drier/Accumulator Inlet Fitting Type | Male Springlock |
| Receiver Drier/Accumulator Length IN | 9.000 |
| Receiver Drier/Accumulator Outlet Fitting Size IN | 0.625 |
| Receiver Drier/Accumulator Outlet Fitting Size MM | 15.875 |
| 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 | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Ford | F-250 Super Duty | 6.4L | V8 | N/A | w/ FS20 Compressor; Includes: 68192 (New Compressor), 83089 (Accum), 38635 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2009 | Ford | F-350 Super Duty | 6.4L | V8 | N/A | w/ FS20 Compressor; Includes: 68192 (New Compressor), 83089 (Accum), 38635 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2008 | Ford | F-250 Super Duty | 6.4L | V8 | N/A | w/ FS20 Compressor; Includes: 68192 (New Compressor), 83089 (Accum), 38635 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2008 | Ford | F-350 Super Duty | 6.4L | V8 | N/A | w/ FS20 Compressor; Includes: 68192 (New Compressor), 83089 (Accum), 38635 (Orifice), 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.