Four Seasons 2607NK A/C Compressor and Component Kit
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Four Seasons
 Complete A/C Kit

Four Seasons 2607NK A/C Compressor and Component Kit

Brand Four Seasons 2607NK
Compressor Oil Included Included
Compressor Oil Type Oil
Expansion Device Type Orifice Tubes
Kit Includes 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
Orifice Dia. IN 0.072
Orifice Tube Color Black
Orifice Tube Style Standard
Receiver Drier/Accumulator Diameter IN 3.500
Receiver Drier/Accumulator Inlet Fitting Type P-Nut Fitting
Receiver Drier/Accumulator Length IN 8.000
Receiver Drier/Accumulator Outlet Fitting Type P-Nut Fitting
Refrigerant Type R134a
Type Complete Air Conditioning Kit w/ New Compressor
Warranty Limited Lifetime
Product line Complete A/C Kit
Fits Chevrolet and GMC · 16 vehicles

Complete A/C kit. Includes a new compressor, accumulator, orifice tube, oil, and O-rings.

R134a compatible. Built for systems using this refrigerant type.

Oil included. Compressor oil comes in the kit for a ready-to-install package.

Cross-references Four Seasons 2607NK for the same application. See all 1.

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Complete A/C Kit for Silverado and Sierra

Restore cabin cooling with the Four Seasons Complete A/C Kit 2607NK. This complete air conditioning kit includes a new compressor, accumulator, orifice tube, oil, and O-rings for a direct repair on select Chevrolet Silverado and GMC Sierra heavy-duty trucks.

Built for 2004-2006 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 applications, this kit is configured for R134a systems with a black standard orifice tube and included compressor oil.

Key Features

  • Four Seasons Complete A/C Kit, part number 2607NK
  • Complete air conditioning kit with new compressor
  • Includes compressor oil and O-rings
  • Uses an orifice tube expansion device
  • R134a refrigerant system application
  • Limited lifetime warranty
  • Fits select Chevrolet Silverado and GMC Sierra HD models

Product Details

The Four Seasons Complete A/C Kit line is built for full-system A/C service, combining the major replacement components needed when the compressor and related refrigerant control parts are being serviced together. Part number 2607NK includes a new compressor, accumulator, orifice tube, oil, and O-rings, helping streamline repairs on the specified Silverado and Sierra platforms. The kit is set up for vehicles using a 13 mm orifice tube diameter and a black standard orifice tube, with P-nut fitting accumulator connections.

This part cross-references Four Seasons 2607NK for the same application.

What This Kit Helps Address

  • Loss of cold air from compressor wear or failure
  • Restricted refrigerant flow from a worn or incorrect orifice tube
  • Moisture control issues related to accumulator replacement
  • System contamination after A/C component failure
  • Uneven or weak cooling performance in R134a systems

Installation Notes and Fitment

  • Fits 2004 Chevrolet Silverado 2500 HD, N/A, w/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00
  • Fits 2004 Chevrolet Silverado 2500 HD, N/A, w/ 10S20F Compressor; w/ 13mm Orifice Tube Dia.; w/ Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00
  • Fits 2004 Chevrolet Silverado 3500, N/A, w/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00
  • Fits 2004 Chevrolet Silverado 3500, N/A, w/ 10S20F Compressor; w/ 13mm Orifice Tube Dia.; w/ Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00
  • Fits 2004 GMC Sierra 2500 HD, N/A, w/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00
  • Fits 2004 GMC Sierra 2500 HD, N/A, w/ 10S20F Compressor; w/ 13mm Orifice Tube Dia.; w/ Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00
  • Fits 2004 GMC Sierra 3500, N/A, w/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00
  • Fits 2004 GMC Sierra 3500, N/A, w/ 10S20F Compressor; w/ 13mm Orifice Tube Dia.; w/ Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00
  • Fits 2005-2006 Chevrolet Silverado 2500 HD, N/A, w/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube
  • Fits 2005-2006 Chevrolet Silverado 3500, N/A, w/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube
  • Fits 2005-2006 GMC Sierra 2500 HD, N/A, w/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube
  • Fits 2005-2006 GMC Sierra 3500, N/A, w/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube

Verify compressor style, orifice tube diameter, and accumulator fitting details before installation to ensure the correct match for your truck’s A/C system.

Quality Assurance

Four Seasons backs this Complete A/C Kit with a limited lifetime warranty.

Related reading

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006ChevroletSilverado 2500 HD6.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2006ChevroletSilverado 35006.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2006GMCSierra 2500 HD6.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2006GMCSierra 35006.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2005ChevroletSilverado 2500 HD6.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2005ChevroletSilverado 35006.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2005GMCSierra 2500 HD6.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2005GMCSierra 35006.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004ChevroletSilverado 2500 HD6.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004ChevroletSilverado 2500 HD6.6LV8N/Aw/ 10S20F Compressor; w/ 13mm Orifice Tube Dia.; w/ Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004ChevroletSilverado 35006.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004ChevroletSilverado 35006.6LV8N/Aw/ 10S20F Compressor; w/ 13mm Orifice Tube Dia.; w/ Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004GMCSierra 2500 HD6.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004GMCSierra 2500 HD6.6LV8N/Aw/ 10S20F Compressor; w/ 13mm Orifice Tube Dia.; w/ Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004GMCSierra 35006.6LV8N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/o Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004GMCSierra 35006.6LV8N/Aw/ 10S20F Compressor; w/ 13mm Orifice Tube Dia.; w/ Ambulance Pkg.; w/ Black Orifice Tube; Drier w/ P-nut fitting Clocked at 7:00; Includes: 78348 (New Compressor), 83229 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 2607NK