Four Seasons 30041SK A/C Compressor Replacement Service Kit

Four Seasons 30041SK A/C Service Kit

The Four Seasons 30041SK A/C Installer Kit is built for R134a systems that use an orifice tube expansion device and PAG 150 compressor oil. It brings together the core service components needed for a front A/C repair on select Chevrolet and GMC trucks and vans, including Astro, Safari, S10, Sonoma, and related applications.

• Brand: Four Seasons A/C Installer Kits
• Part number: 30041SK
• For R134a refrigerant systems
• Includes compressor oil: PAG Oil /150
• Includes accumulator, orifice tube, O-ring/gasket pack, and cap and valve kit
• Orifice tube style: standard, white
• Orifice diameter: 0.072 in.
• Receiver drier/accumulator with female O-ring inlet and male insert O-ring outlet
• Limited lifetime warranty

Product Details

Four Seasons 30041SK is an A/C compressor replacement service kit for vehicles using an accumulator-style system with an orifice tube. The kit is centered around the service parts commonly replaced during compressor work, helping restore proper refrigerant flow and sealing integrity in R134a HVAC systems. This part number is listed for applications such as 1991-1993 Chevrolet Astro, 1991-1993 GMC Safari, 1991-1993 Chevrolet S10, and 1991-1993 GMC Sonoma, along with additional Chevrolet S10, S10 Blazer, GMC S15, and S15 Jimmy coverage. This part cross-references Monroe Shocks & Struts (e.g., 550950, MUK30084) for the same application.

Common Repair Uses

• Replacing a failed A/C compressor during system service
• Addressing poor cooling after contamination in the refrigerant circuit
• Restoring sealing at O-ring and gasket connection points
• Replacing a restricted or worn orifice tube
• Servicing an accumulator that no longer supports proper system operation

Installation Notes

Verify the vehicle uses R134a refrigerant and an orifice-tube A/C layout before ordering. Confirm accumulator inlet and outlet fitting style, and match the compressor oil specification to the system requirement. For fitment, this kit is listed for 1991-1993 Chevrolet Astro, front kit; 1991-1993 GMC Safari, front kit; 1991-1993 Chevrolet S10; 1991-1993 GMC Sonoma; 1987-1993 Chevrolet S10; 1987-1993 GMC S15; 1987-1989 Chevrolet S10 Blazer, front kit; and 1987-1989 GMC S15 Jimmy, front kit. Additional coverage includes 1983-1986 Chevrolet S10 and S10 Blazer, 1983-1986 GMC S15 and S15 Jimmy, 1982-1983 Chevrolet S10, 1983 GMC S15, 1990 Chevrolet Astro with rear A/C, 1990 GMC Safari with rear A/C, and 1992 Chevrolet Lumina APV without rear A/C. Use the vehicle-specific notes to confirm front-kit or rear-A/C configuration before installation.

Quality Assurance

Four Seasons backs this A/C service kit with a limited lifetime warranty. The kit is built for direct service use in confirmed applications and follows the listed refrigerant, oil, and fitting specifications for the part number 30041SK.