Four Seasons 3921NK | Front A/C Compressor Kit

Name: Four Seasons Front A/C Compressor Kit | 3921NK
Brand: Four Seasons
Price: 201.51 USD
Availability: InStock

Part Number

3921NK

Upgrade your vehicle's cooling system with Four Seasons 3921NK Front A/C Compressor Kit. Complete kit for Cadillac, Chevrolet, GMC, and Hummer models.

Fits what vehicles: 2000-2006 Chevrolet Silverado 1500, 2000-2006 Chevrolet Silverado 2500, 2000 Chevrolet Suburban 1500, 2000 Chevrolet Suburban 2500, 2000 Chevrolet Tahoe, 2000-2006 GMC Sierra 1500, 2000-2004 GMC Sierra 2500, 2000 GMC Yukon, 2000 GMC Yukon XL 1500, 2000 GMC Yukon XL 2500, 2001-2002 Chevrolet C3500HD, 2001-2003 Chevrolet Silverado 1500 HD, 2001-2006 Chevrolet Silverado 2500 HD, 2001-2006 Chevrolet Silverado 3500, 2001-2002 GMC C3500HD, 2001-2003 GMC Sierra 1500 HD, 2001-2006 GMC Sierra 2500 HD, 2001-2006 GMC Sierra 3500, 2002-2005 Cadillac Escalade, 2002-2005 Cadillac Escalade EXT, 2002-2006 Chevrolet Avalanche 1500, 2002-2006 Chevrolet Avalanche 2500, 2005-2006 Chevrolet Silverado 1500 HD, 2005-2006 GMC Sierra 1500 HD, 2003-2005 Cadillac Escalade ESV, 2003-2007 Hummer H2

Special Price $201.51 Regular Price $219.03

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In stock

Estimated Ship Date: 1 Business Day or Less

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Product Information

Description

Ensure your vehicle's air conditioning performance with the Four Seasons 3921NK Front A/C Compressor Kit. Designed to seamlessly integrate with a wide range of models, including Cadillac Escalade, Chevrolet Silverado, GMC Yukon, and Hummer H2, this kit is essential for keeping your A/C system in top condition. Experience enhanced cooling efficiency with our precision components, built to uphold the highest quality standards in automotive parts.

This comprehensive kit includes a new compressor, accumulator or filter drier, an expansion device, compressor oil, and all necessary gaskets and O-rings, providing everything required for a successful replacement. Ideal for both DIY enthusiasts and professional mechanics, this kit ensures reliable cooling performance while satisfying warranty requirements. Don't compromise on comfort and function—choose a complete solution that stands the test of time.

Features

Comprehensive kit with new compressor and accessories
Includes all essential gaskets and O-rings
Compatible with popular Cadillac, Chevrolet, GMC, and Hummer models
Pre-filled compressor oil included for easy installation
Utilizes reliable R134a refrigerant
Ensures high-quality air conditioning performance

Specifications

Compressor Oil Included:	Included
Compressor Oil Type:	Oil
Expansion Device Type:	Orifice Tubes
Gasket / Seals?:	Included
Refrigerant Type:	R134a
Warranty:	Limited Lifetime
Dimensions:	20.300 in. x 7.800 in. x 13.500 in.
Weight:	17.8000 lbs.

Interchange

Factory Air: 3921NK
Four Seasons: 3921NK
Compressor Works: 3921NK
Four Seasons: 520543
Murray: MK1001
Cooling Depot: 3921NK

Fitment

2000-2001 Chevrolet Silverado 2500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000 Chevrolet Suburban 1500 | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000 Chevrolet Suburban 2500 | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000 GMC Sierra 1500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000 GMC Yukon XL 1500 | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001 Chevrolet Silverado 2500 HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001-2002 GMC Sierra 1500 HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001-2002 GMC Sierra 2500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001-2002 GMC Sierra 2500 HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002-2005 Cadillac Escalade | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002-2005 Cadillac Escalade EXT | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002-2005 Chevrolet Avalanche 2500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002 Chevrolet C3500HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002 Chevrolet Silverado 1500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002 Chevrolet Silverado 3500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2005 Chevrolet Silverado 1500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003 Chevrolet Silverado 1500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2005 Chevrolet Silverado 2500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2004 Chevrolet Silverado 1500 | Note: w/ 10S20F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2005 Chevrolet Silverado 1500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 Chevrolet Avalanche 1500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 Chevrolet Avalanche 2500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 Chevrolet Silverado 1500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 Chevrolet Silverado 1500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 Chevrolet Silverado 2500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000-2001 Chevrolet Silverado 1500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000 Chevrolet Tahoe | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000 GMC Sierra 2500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000 GMC Yukon | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2000 GMC Yukon XL 2500 | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001 Chevrolet C3500HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001 Chevrolet Silverado 1500 HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001 Chevrolet Silverado 3500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001-2002 GMC C3500HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001-2002 GMC Sierra 1500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2001-2002 GMC Sierra 3500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002-2005 Chevrolet Avalanche 1500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002 Chevrolet Silverado 1500 HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002 Chevrolet Silverado 2500 | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2002 Chevrolet Silverado 2500 HD | Note: w/ 10S17F Compressor;Two piece compressor manifold, requires two bolts to mount hoses to compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2005 Cadillac Escalade ESV | Position: Front | Note: w/ 10S17F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2005 Chevrolet Silverado 2500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2005 Chevrolet Silverado 3500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2005 GMC Sierra 1500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003 GMC Sierra 1500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2004 GMC Sierra 2500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2005 GMC Sierra 2500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2005 GMC Sierra 3500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2007 Hummer H2 | Note: w/ 10S20F Compressor;w/ Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2003-2007 Hummer H2 | Note: w/ 10S20F Compressor;w/o Rear AC;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2005 GMC Sierra 1500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 Chevrolet Silverado 2500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 Chevrolet Silverado 3500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 GMC Sierra 1500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 GMC Sierra 1500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 GMC Sierra 2500 HD | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
2006 GMC Sierra 3500 | Note: w/ 10S17F Compressor;w/ 13mm Orifice Tube Dia.;w/ Black Orifice Tube;Drier w/ P-nut fitting Clocked at 12:00;Includes: 78377 (New Compressor), 83208 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings