HomeFour Seasons 3711NK A/C Compressor and Component Kit
Part #: 3711NK

Four Seasons 3711NK A/C Compressor and Component Kit

Complete A/C Kit
14 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Complete A/C Kit
Fitment: Chevrolet and GMC, Silverado 1500 and Sierra 1500
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Overview of Four Seasons Complete A/C Kit 3711NK

The Four Seasons Complete A/C Kit 3711NK is designed specifically for Chevrolet and GMC trucks, including the Sierra 1500 and Silverado 1500 models. This comprehensive kit includes a new compressor and essential components to restore your vehicle's air conditioning system efficiently.

  • Includes new compressor (part 78348) and accumulator (part 83207)
  • Equipped with standard black orifice tube (0.072 inch diameter)
  • Compressor oil included for proper lubrication
  • Receiver drier/accumulator with P-nut inlet and outlet fittings
  • Compatible with R134a refrigerant systems
  • Limited lifetime warranty for long-term reliability

Detailed Product Features and Specifications

This Complete A/C Kit from Four Seasons features a new compressor (part number 78348) designed to meet the specific requirements of Chevrolet Sierra 1500 and GMC Silverado 1500 trucks. The kit includes compressor oil to ensure optimal performance and longevity. The expansion device uses a standard black orifice tube with a 0.072 inch diameter, which is critical for regulating refrigerant flow and maintaining system efficiency.

The receiver drier/accumulator measures 3.5 inches in diameter and 8 inches in length, equipped with P-nut fittings on both inlet and outlet for secure connections. This kit is engineered for vehicles using R134a refrigerant, ensuring compatibility with modern A/C systems. The part number 3711NK identifies this complete kit, making it easier to find the correct replacement for your vehicle.

About the Four Seasons Complete A/C Kit Line

The Complete A/C Kit line by Four Seasons offers a full set of components needed for a thorough air conditioning system repair or replacement. This approach simplifies the repair process by providing all necessary parts in one package, including the compressor, accumulator, orifice tube, and compressor oil. The 3711NK kit is tailored for Chevrolet and GMC trucks, ensuring proper fitment and system compatibility.

Common Applications and Problem Solving

  • Restores cooling performance in Chevrolet Sierra 1500 and GMC Silverado 1500 A/C systems
  • Replaces worn or failing compressors causing insufficient cooling
  • Addresses refrigerant flow issues related to clogged orifice tubes
  • Eliminates moisture and contaminants with a new receiver drier/accumulator
  • Prevents compressor damage by including the correct compressor oil

Installation Notes and Tips

  • Ensure system is evacuated and flushed before installation to prevent contamination
  • Verify compatibility with R134a refrigerant systems on your vehicle
  • Use proper tools to connect P-nut fittings securely on the receiver drier/accumulator
  • Follow manufacturer torque specifications for compressor mounting
  • Recharge the system with the correct refrigerant amount after installation

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 3711NK comes with a limited lifetime warranty, providing assurance of its durability and performance. Each component is manufactured to meet or exceed OEM standards, ensuring reliable operation in Chevrolet Sierra 1500 and GMC Silverado 1500 trucks. This warranty supports long-term use and helps protect your investment in vehicle air conditioning repair.

BrandFour Seasons
Part Number3711NK
PositionComplete A/C Kit
Compressor Oil IncludedIncluded
Compressor Oil TypeOil
Expansion Device TypeOrifice Tubes
Kit Includes78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings
Orifice Dia. IN0.072
Orifice Tube ColorBlack
Orifice Tube StyleStandard
Receiver Drier/Accumulator Diameter IN3.500
Receiver Drier/Accumulator Inlet Fitting TypeP-Nut Fitting
Receiver Drier/Accumulator Length IN8.000
Receiver Drier/Accumulator Outlet Fitting TypeP-Nut Fitting
Refrigerant TypeR134a
TypeComplete Air Conditioning Kit w/ New Compressor
WarrantyLimited Lifetime

This part fits 14 vehicles. Search below:

YearMakeModelSubmodel# DoorsLitersCylindersFuel TypePositionNotes
2006ChevroletSilverado 15004.3LV6N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; Drier w/o Service Port; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2006ChevroletSilverado 1500LS4 Door4.3LV6GASN/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; Drier w/o Service Port; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2006ChevroletSilverado 1500LS2 Door4.3LV6GASN/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; Drier w/o Service Port; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2006ChevroletSilverado 1500WT4 Door4.3LV6GASN/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; Drier w/o Service Port; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2006ChevroletSilverado 1500WT2 Door4.3LV6GASN/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; Drier w/o Service Port; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2006GMCSierra 15004.3LV6GASN/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; Drier w/o Service Port; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2005ChevroletSilverado 15004.3LV6N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2005ChevroletSilverado 15004.3LV6GASN/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2005GMCSierra 15004.3LV6GASN/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004ChevroletSilverado 15004.3LV6N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004ChevroletSilverado 15004.3LV6GASN/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2004GMCSierra 15004.3LV6N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2003ChevroletSilverado 15004.3LV6N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit
2003GMCSierra 15004.3LV6N/Aw/ 10S17F Compressor; w/ 13mm Orifice Tube Dia.; w/ Black Orifice Tube; Includes: 78348 (New Compressor), 83207 (Accum), 38638 (Orifice), 59007 (Oil), O-Rings; Complete A/C Kit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

3711NK

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.