Four Seasons 10646SK A/C Compressor Replacement Service Kit

Four Seasons 10646SK A/C Service Kit

Restore key air conditioning service components with the Four Seasons 10646SK A/C Installer Kit. This A/C compressor replacement service kit includes the parts commonly needed when servicing R134a systems on select Chevrolet S10, GMC Sonoma, and Isuzu Hombre applications.

Four Seasons A/C Installer Kits are built around application-specific service parts, making this kit a practical choice for A/C compressor replacement on vehicles that use an orifice tube system and PAG oil.

Key Features

• Part number: 10646SK
• Includes accumulator, orifice tube, compressor oil, O-ring/gasket pack, and cap and valve kit
• Uses PAG Oil /150
• Designed for R134a refrigerant systems
• White standard orifice tube with 0.072 in. diameter
• Accumulator measures 3.500 in. diameter and 8.000 in. length
• Female O-ring inlet fitting and P-nut outlet fitting
• Limited lifetime warranty

Product Details

This Four Seasons A/C Service Kit is organized for compressor replacement service on vehicles equipped with an orifice tube expansion device. The kit includes an accumulator, orifice tube, compressor oil, O-ring/gasket pack, and cap and valve kit to support a complete A/C service on R134a systems. The 10646SK part number is also cross-referenced in the aftermarket under 551070 and MUK10086 for the same application.

Compatible With 1998-2003 Chevrolet S10, N/A; 1998-2003 GMC Sonoma, N/A; and 1999-2000 Isuzu Hombre, N/A. Use this kit when servicing the A/C compressor on these truck applications and matching the system’s orifice tube and accumulator specifications. Four Seasons 10646SK is a direct-fit service kit for these listed vehicles.

Common Service Issues

• Compressor replacement on an R134a A/C system
• Accumulator wear or contamination during A/C repair
• Orifice tube restriction or incorrect metering
• O-ring and seal leakage at service connections
• System contamination after compressor failure

Installation Notes

Verify refrigerant type, accumulator dimensions, and fitting style before installation. Replace the orifice tube and O-rings during compressor service, and charge the system with the specified PAG Oil /150 amount for the vehicle application. Evacuate and leak-check the system before recharging with R134a.

Quality Assurance

Four Seasons 10646SK is backed by a limited lifetime warranty. The Four Seasons A/C Installer Kits line focuses on application-matched service components for A/C compressor replacement and related HVAC repair.