Four Seasons 2490PK A/C Compressor and Component Kit - Front

Reliable A/C Compressor Kit for GM Trucks and SUVs

The Four Seasons Complete A/C Kit 2490PK is designed to restore efficient air conditioning performance in select Cadillac, Chevrolet, and GMC vehicles. Engineered for models like the Chevrolet Silverado 1500 and GMC Sierra 2500, this kit ensures proper fit and function with key specifications tailored to your vehicle's HVAC system.

• Compatible refrigerant type: R134a
• Four-groove pulley for optimal belt engagement
• Outside pulley diameter of 4.250 inches for precise fitment
• Coil clock position set at 11 o'clock for correct electrical alignment
• Designed for use in multiple GM full-size trucks and SUVs

Complete A/C Kit Product Line Overview

The Four Seasons Complete A/C Kit line provides comprehensive solutions for A/C compressor replacement, including all necessary components to streamline installation. The 2490PK kit is part of this line, offering a ready-to-install compressor kit that meets OEM specifications for refrigerant compatibility and mechanical fitment, reducing the need for additional parts or modifications.

Technical Details and Vehicle Compatibility

This A/C compressor kit is engineered specifically for R134a refrigerant systems, common in many GM trucks and SUVs. The four-groove pulley design with a 4.250-inch outside diameter ensures proper belt alignment and tension, critical for reliable compressor operation. The coil clock position at 11 o'clock matches factory electrical connections, simplifying installation and ensuring correct engagement.

Compatible with a range of vehicles including Cadillac Escalade and Escalade EXT, Chevrolet Avalanche 1500 and 2500, Silverado 1500 through 3500 HD, Suburban 1500 and 2500, Tahoe, and GMC Sierra 1500 through 3500 HD, Yukon, Yukon XL 1500, and Yukon XL 2500 models.

Common Applications and Problem Resolution

• Restores A/C cooling performance in R134a-equipped GM trucks and SUVs
• Replaces worn or damaged compressor pulleys causing belt slippage or noise
• Addresses electrical coil failures with correct coil clock positioning
• Solves refrigerant leaks and compressor inefficiency
• Eliminates compressor clutch engagement issues

Installation Notes and Tips

• Verify refrigerant type R134a compatibility before installation
• Ensure pulley groove count and diameter match vehicle specifications
• Confirm coil clock position aligns with factory wiring harness
• Replace or inspect associated A/C components such as the receiver drier and expansion valve for optimal system performance
• Follow manufacturer torque specifications during mounting

Quality Assurance and Warranty

Four Seasons Complete A/C Kit 2490PK is manufactured to meet or exceed OEM standards for durability and performance. The kit undergoes rigorous quality control to ensure reliable operation in demanding automotive environments. Warranty coverage details are provided by Four Seasons and typically include protection against defects in materials and workmanship.