Four Seasons 1376NK A/C Compressor and Component Kit - Front

Complete A/C Kit for S10 and Sonoma

Restore air conditioning performance with the Four Seasons Complete A/C Kit, part number 1376NK. This complete air conditioning kit includes a new compressor, accumulator, orifice tube, PAG oil, and O-rings for a direct-service repair on select Chevrolet and GMC trucks and SUVs.

Compatible with 1987-1991 Chevrolet S10, 1991 GMC Sonoma, 1987-1990 GMC S15, 1987-1989 Chevrolet S10 Blazer, and 1987-1989 GMC S15 Jimmy applications with an LTR4 compressor.

Key Features

• Four Seasons Complete A/C Kit, part number 1376NK
• Complete air conditioning kit with new compressor
• Includes compressor oil with PAG Oil /150
• Uses an orifice tube expansion device
• Orifice tube: 0.072 in., white, standard style
• Accumulator included with female O-ring inlet and male insert O-ring outlet
• Gaskets and seals included
• Refrigerant type: R134a
• Limited lifetime warranty

Product Details

The Four Seasons Complete A/C Kit line is built for full-system service, combining the major replacement components needed when repairing an aging automotive air conditioning system. Part number 1376NK is configured for vehicles using an LTR4 compressor and includes the compressor, accumulator, orifice tube, oil, and O-rings to support a complete A/C overhaul on the listed Chevrolet S10, GMC Sonoma, GMC S15, Chevrolet S10 Blazer, and GMC S15 Jimmy applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Weak or inconsistent cabin cooling
• Compressor noise or compressor failure
• Restricted refrigerant flow through the orifice tube
• Moisture or contamination issues in the A/C system
• Leaks at seals, O-rings, or accumulator connections

Installation Notes

Verify vehicle fitment by year, make, model, and compressor type before installation. This kit is specified for R134a systems and uses PAG Oil /150. Replace the accumulator, orifice tube, and seals during service, then evacuate and recharge the system according to factory procedures.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The included components are matched for the listed applications to support a complete A/C repair using the correct compressor and service parts.