HomeHVAC > A/C Clutch and CompressorFour Seasons 3690NK A/C Compressor and Component Kit
Part #: 3690NK

Four Seasons 3690NK A/C Compressor and Component Kit

Complete A/C Kit
4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Complete A/C Kit
Fitment: Dodge, Ram 1500 and Ram 2500
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Overview of Four Seasons Complete A/C Kit 3690NK

The Four Seasons Complete A/C Kit 3690NK is designed specifically for Dodge Ram 1500 and Ram 2500 models. This comprehensive kit includes all necessary components to restore your vehicle's air conditioning system with a new compressor and essential parts.

  • Includes new compressor (part 78558) with compressor oil (Pag oil /100) pre-filled
  • Equipped with a liquid line expansion device (part 56822) featuring an orifice
  • Receiver drier/accumulator (part 83107) with 3.5-inch diameter and 7.5-inch length
  • Male springlock inlet and outlet fittings sized at 0.625 inches (15.875 mm)
  • Compatible with R134a refrigerant systems
  • Limited lifetime warranty for long-term reliability

Four Seasons Complete A/C Kit Product Line Details

The Complete A/C Kit line from Four Seasons offers a full replacement solution for vehicle air conditioning systems. This kit includes a new compressor, receiver drier/accumulator, and liquid line expansion device, all designed to work together for optimal system performance. The inclusion of compressor oil and properly sized fittings ensures compatibility and ease of installation for Dodge Ram 1500 and Ram 2500 models.

Detailed Product Description

The Four Seasons Complete A/C Kit 3690NK provides a complete air conditioning system overhaul with a new compressor (part 78558) pre-filled with Pag oil /100, which is essential for proper lubrication and system longevity. The kit also includes a receiver drier/accumulator (part 83107) with a 3.5-inch diameter and 7.5-inch length, featuring male springlock inlet and outlet fittings sized at 0.625 inches (15.875 mm) to ensure a secure and leak-free connection. The liquid line expansion device (part 56822) with an orifice is designed to regulate refrigerant flow efficiently. This kit is compatible with R134a refrigerant, the standard for many modern vehicles, including Dodge Ram 1500 and Ram 2500 trucks.

Common Applications and Issues Addressed

  • Replacement of a failing or seized A/C compressor in Dodge Ram 1500 and Ram 2500
  • Resolving refrigerant leaks due to worn receiver drier/accumulator components
  • Restoring proper refrigerant flow with a new liquid line expansion device
  • Improving overall A/C system performance and cooling efficiency
  • Addressing contamination or moisture in the A/C system with a new accumulator

Installation Notes and Tips

  • Ensure system is fully evacuated and flushed before installation to prevent contamination
  • Verify compatibility with Dodge Ram 1500 and Ram 2500 model years before installation
  • Use the included Pag oil /100 compressor oil to maintain proper lubrication
  • Check all fittings and connections for proper sealing to avoid refrigerant leaks
  • Follow manufacturer torque specifications for mounting the compressor and components

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 3690NK comes with a limited lifetime warranty, providing assurance of the product's durability and performance. Each component is manufactured to meet or exceed OEM specifications, ensuring reliable operation within the Dodge Ram 1500 and Ram 2500 air conditioning systems.

BrandFour Seasons
Part Number3690NK
PositionComplete A/C Kit
Compressor Oil IncludedIncluded
Compressor Oil TypePAG Oil /100
Expansion Device TypeLiquid Line
Kit Includes78558 (New Compressor), 83107 (Accum), 56822 (Liq w/ Ofifice), 59002 (Oil), O-Rings
Receiver Drier/Accumulator Diameter IN3.500
Receiver Drier/Accumulator Inlet Fitting Size IN0.625
Receiver Drier/Accumulator Inlet Fitting Size MM15.875
Receiver Drier/Accumulator Inlet Fitting TypeMale Springlock
Receiver Drier/Accumulator Length IN7.500
Receiver Drier/Accumulator Outlet Fitting Size IN0.625
Receiver Drier/Accumulator Outlet Fitting Size MM15.875
Receiver Drier/Accumulator Outlet Fitting TypeMale Springlock
Refrigerant TypeR134a
TypeComplete Air Conditioning Kit w/ New Compressor
WarrantyLimited Lifetime

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003DodgeRam 15004.7LV8N/Aw/ SD7H15 Compressor; Compressor w/ Chamfered Ports; Includes: 78558 (New Compressor), 83107 (Accum), 56822 (Liq w/ Ofifice), 59002 (Oil), O-Rings; Complete A/C Kit
2003DodgeRam 15003.7LV6N/Aw/ SD7H15 Compressor; Compressor w/ Chamfered Ports; Includes: 78558 (New Compressor), 83107 (Accum), 56822 (Liq w/ Ofifice), 59002 (Oil), O-Rings; Complete A/C Kit
2003DodgeRam 25004.7LV8N/Aw/ SD7H15 Compressor; Compressor w/ Chamfered Ports; Includes: 78558 (New Compressor), 83107 (Accum), 56822 (Liq w/ Ofifice), 59002 (Oil), O-Rings; Complete A/C Kit
2002DodgeRam 15004.7LV8N/AIncludes: 78558 (New Compressor), 83107 (Accum), 56822 (Liq w/ Ofifice), 59002 (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:

3690NK

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