Four Seasons 1511NK A/C Compressor and Component Kit - Front

Complete A/C Kit for GM Trucks and SUVs

Restore cooling performance with the Four Seasons Complete A/C Kit, Part Number 1511NK. This complete air conditioning kit includes a new compressor, accumulator, orifice tube, PAG oil, and O-rings for a service-ready repair on select 1991-1992 Chevrolet and GMC applications.

Built for R134a systems, this Four Seasons Complete A/C Kit is organized around the core components needed for a compressor replacement on 1991-1992 Chevrolet Blazer, C1500, C2500, K1500, and GMC C1500, C2500, K1500, and Yukon models.

Key Features

• Four Seasons Complete A/C Kit, Part Number 1511NK
• Type: Complete air conditioning kit with new compressor
• Compressor oil included: PAG Oil /150
• Expansion device type: Orifice tube
• Refrigerant type: R134a
• Gaskets and seals included
• Limited lifetime warranty
• Cross-reference part numbers: 520165, MK1039

Product Details

The Four Seasons Complete A/C Kit is designed around the compressor and related service components needed for a proper A/C repair. The kit includes compressor 58937, accumulator 33150, orifice tube 38638, oil 59003, and O-rings. The accumulator uses female O-ring inlet and male insert O-ring outlet fittings, with a 3.500-inch diameter and 9.000-inch length. The black standard orifice tube measures 0.072 inch in diameter.

For fitment-based searches, this kit is a direct match for applications such as Fits 1992 Chevrolet Blazer, front; Fits 1992 Chevrolet C1500, N/A; Fits 1992 GMC K1500, N/A; and Fits 1991 GMC C3500, N/A. It also covers additional 1991-1992 Chevrolet and GMC truck and SUV configurations listed for LTR4 compressor setups.

Common Repair Uses

• Failed or noisy A/C compressor replacement
• Loss of cabin cooling performance
• Contaminated or low refrigerant system service
• Accumulator or orifice tube replacement during compressor repair
• R134a system refresh on select GM trucks and SUVs

Installation Notes

Verify compressor port style, accumulator style, and vehicle-specific notes before installation. This kit is listed for LTR4 compressor applications and includes fitment notes such as 3/4-inch or 5/8-inch suction port, flat-bottom drier, 9-inch canister, and compressor without inertia ring where specified. Replace the accumulator and orifice tube when servicing the compressor, and evacuate and recharge the system with the correct R134a refrigerant and PAG Oil /150.

Quality Assurance

Four Seasons backs this Complete A/C Kit with a limited lifetime warranty. Part Number 1511NK is built as a complete replacement solution for select Chevrolet and GMC A/C repairs.