Four Seasons 1783NK A/C Compressor and Component Kit

Complete A/C Kit for Ranger and B2500

Restore cabin cooling with the Four Seasons Complete A/C Kit, Part Number 1783NK. This kit combines a new compressor, accumulator, orifice tube, oil, and O-rings for a complete air conditioning service on select Ford Ranger, Ford F-100 Ranger, and Mazda B2500 applications with an FS10 compressor and factory air.

Four Seasons Complete A/C Kit line packages the major replacement components needed for a full A/C refresh in one application-specific kit. Part Number 1783NK is built for R134a systems and includes the compressor oil and sealing components needed for a proper service on the listed vehicles.

Key Features

• Complete A/C compressor kit with new compressor
• Includes accumulator, red standard orifice tube, oil, and O-rings
• For R134a refrigerant systems
• Orifice tube diameter: .062 in.
• Receiver drier/accumulator dimensions: 3.500 in. diameter, 9.500 in. length
• Accumulator inlet fitting: 0.625 in. male insert O-ring
• Accumulator outlet fitting: 0.750 in. female springlock
• Limited lifetime warranty

Detailed Description

Four Seasons 1783NK is a complete air conditioning kit for vehicles using an FS10 compressor and factory air. It is engineered for 1998-2001 Ford Ranger, 1998-2000 Ford F-100 Ranger, and 1998-2001 Mazda B2500 applications, including Mazda B2500 models with a red orifice tube. The kit is centered around a new compressor and the matching service components needed to address common A/C system wear points in one repair.

This part cross-references Interchanges 520026 for the same application. Use 1783NK when you need a complete A/C compressor kit for Ford Ranger or Mazda B2500 service work and want the compressor, accumulator, orifice tube, oil, and seals matched to the listed fitment.

Common Issues This Kit Addresses

• Weak or inconsistent cabin cooling
• Compressor noise or compressor failure
• Restricted refrigerant flow through a worn orifice tube
• Moisture-related A/C performance problems from an aging accumulator
• Refrigerant leaks at service connections and seals

Installation Notes and Tips

Verify FS10 compressor fitment and factory air configuration before installation. Replace the accumulator and orifice tube during service, and follow the specified oil type and refrigerant requirements for R134a systems. Inspect all sealing surfaces and connection points before charging the system. Fits 1998-2001 Ford Ranger, N/A; Fits 1998-2000 Ford F-100 Ranger, N/A; Fits 1998-2001 Mazda B2500, N/A.

Quality Assurance

Four Seasons 1783NK is backed by a limited lifetime warranty.