Four Seasons 4853N A/C Compressor and Component Kit

Four Seasons PAC-Kit w/ New Compressor 4853N

Four Seasons 4853N is an A/C compressor kit built for specific GM heavy-duty truck applications that use a 10S17F or 10S20F compressor. This PAC-Kit w/ New Compressor is listed for Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models from 2004-2007, with configuration-specific notes for ambulance and non-ambulance vehicles.

Key Features

• Four Seasons PAC-Kit w/ New Compressor for targeted HVAC service
• Part number 4853N for accurate ordering and catalog matching
• Application-specific coverage for 2004-2007 Chevrolet Silverado and GMC Sierra HD trucks
• Fits vehicles with 10S17F or 10S20F compressor configurations, depending on application
• Notes include orifice tube, accumulator, flush, and oil references for the listed vehicle setups

Detailed Description

This Four Seasons A/C compressor kit is cataloged for GM HD trucks that require a direct-fit compressor solution within the HVAC system. The 4853N listing covers 2004 Chevrolet Silverado 2500 HD and Silverado 3500, 2004 GMC Sierra 2500 HD and Sierra 3500, 2005-2006 Chevrolet Silverado 2500 HD and Silverado 3500, 2005-2006 GMC Sierra 2500 HD and Sierra 3500, plus 2007 GMC Sierra 2500 HD Classic and Sierra 3500 Classic. Fitment varies by compressor type and vehicle configuration, including ambulance-package and non-ambulance applications.

This part cross-references no additional part numbers in the provided data. For buyers searching by vehicle, this is a fitment-specific A/C compressor kit for Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and related HD truck platforms. The Four Seasons PAC-Kit line is organized around complete HVAC service applications, helping match the compressor to the exact vehicle configuration shown in the catalog.

What It Helps Address

• Loss of cabin cooling from compressor failure
• Noisy or seized A/C compressor operation
• Incorrect compressor match on GM HD truck HVAC systems
• Service needs tied to 10S17F or 10S20F compressor setups
• Fitment issues on Silverado and Sierra heavy-duty A/C repairs

Installation Notes

• Verify the existing compressor type before ordering: 10S17F or 10S20F, as listed for the vehicle
• Check ambulance-package status where noted in the fitment data
• Confirm orifice tube diameter and related HVAC configuration before installation
• Review the vehicle-specific notes for accumulator, flush, and oil references
• Use the exact year, make, and model match shown in the fitment table

Quality Assurance

Four Seasons is a recognized HVAC parts brand with cataloged application control for GM truck compressor service. Part number 4853N is listed with detailed vehicle-specific fitment data to support accurate selection for the correct Silverado and Sierra HD application.