Four Seasons 11838NK A/C Compressor Kit - Front and Rear

Reliable A/C Compressor Kit for Cadillac Escalade ESV and GMC Yukon XL

The Four Seasons Complete A/C Kit 11838NK is designed to restore efficient air conditioning performance in your Cadillac Escalade ESV or GMC Yukon XL. This comprehensive kit includes a new compressor and essential components to ensure a complete system refresh.

• Compatible with Cadillac Escalade ESV and GMC Yukon XL models
• Includes new compressor (part 198333), filter drier (83382), and expansion valve (39460)
• Supports refrigerants R134a and R1234yf for versatile application
• Comes with PAG 46 oil suitable for R1234yf refrigerant
• Features a 4-groove pulley with 4.31-inch outside diameter
• Expansion device is block type with sealing washer inlet and outlet
• Coil has a 1-wire lead clock position for straightforward electrical connection
• Receiver drier/accumulator diameter measures 1 inch
• Limited lifetime warranty for long-term reliability

Complete A/C Kit Product Line Overview

The Four Seasons Complete A/C Kit line offers a full set of components necessary for a thorough air conditioning system replacement. This kit includes a new compressor along with a filter drier and expansion valve, providing a coordinated solution that meets OEM specifications. The 11838NK kit is engineered to work seamlessly with the refrigerant types R134a and R1234yf, making it suitable for modern HVAC systems in select GM SUVs.

Detailed Product Description

This A/C compressor kit is tailored for Cadillac Escalade ESV and GMC Yukon XL vehicles, featuring a new compressor (part number 198333) designed to handle both R134a and R1234yf refrigerants. The compressor includes PAG 46 oil optimized for R1234yf systems, ensuring proper lubrication and performance. The pulley system has four grooves and a 4.31-inch outside diameter, matching factory specifications for reliable belt engagement. The coil’s 1-wire lead clock position simplifies installation and electrical integration. The included block-type expansion valve uses sealing washers on both inlet and outlet connections to maintain system integrity. Additionally, the 1-inch diameter receiver drier/accumulator supports efficient moisture removal and refrigerant flow.

Common Applications and Issues Addressed

• Replacement of worn or failed A/C compressors in Cadillac Escalade ESV and GMC Yukon XL
• Restoring cooling performance in systems using R134a or R1234yf refrigerants
• Resolving compressor clutch or pulley wear issues
• Addressing refrigerant leaks related to expansion valve or filter drier failure
• Upgrading to a complete kit for comprehensive system maintenance

Installation Notes and Tips

Ensure the system is properly evacuated and flushed before installing the new compressor kit. Verify compatibility with your vehicle’s refrigerant type (R134a or R1234yf) and use the included PAG 46 oil to maintain lubrication. Pay close attention to the coil’s 1-wire lead position for correct electrical connection. Replace all seals and washers as provided to prevent leaks. Properly torque all fittings and confirm pulley alignment to avoid premature wear.

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 11838NK is backed by a limited lifetime warranty, reflecting the brand’s commitment to durability and performance. Each component is manufactured to meet or exceed OEM standards, ensuring reliable operation in Cadillac Escalade ESV and GMC Yukon XL vehicles.