HomeHVAC > A/C Clutch and CompressorFour Seasons 1618NK A/C Compressor and Component Kit
Part #: 1618NK

Four Seasons 1618NK A/C Compressor and Component Kit

Complete A/C Kit
3 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: Jeep, Grand Cherokee
Easy Returns — Return within 60 days for a full refund
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Reliable A/C Compressor Kit for Jeep Grand Cherokee

The Four Seasons Complete A/C Kit 1618NK provides a comprehensive solution for restoring the air conditioning system in your Jeep Grand Cherokee. Designed to include all essential components, this kit ensures efficient cooling performance and system longevity.

  • Includes new compressor (part 78380), filter drier (part 83110), and expansion valve (part 39014)
  • Compressor oil included for proper lubrication and system protection
  • Block type expansion device with O-ring inlet and insert O-ring outlet for secure connections
  • Receiver drier with 2.5-inch diameter, 8-inch length, and pad mount fittings
  • Compatible with R134a refrigerant systems
  • Limited lifetime warranty for long-term reliability

Complete A/C Kit Line Overview

The Four Seasons Complete A/C Kit line is designed to provide a full replacement solution for vehicle air conditioning systems. This kit includes a new compressor along with critical components such as the filter drier and expansion valve, ensuring all parts work together for optimal system function. The inclusion of compressor oil and properly matched fittings simplifies installation and helps maintain system integrity.

Detailed Product Description

This A/C compressor kit (part number 1618NK) is engineered specifically for Jeep Grand Cherokee models equipped with R134a refrigerant. The kit features a new compressor (78380) pre-filled with the correct type of compressor oil, which is essential for lubrication and preventing premature wear. The block type expansion device uses O-ring inlet and insert O-ring outlet fittings to ensure leak-free connections. The receiver drier measures 2.5 inches in diameter and 8 inches in length, with pad mount inlet and outlet fittings sized at 0.608 inches, designed to fit precisely within the vehicle’s HVAC system.

Common Applications and Issues Addressed

  • Replacement of worn or failing A/C compressors in Jeep Grand Cherokee
  • Resolving refrigerant leaks due to faulty expansion valves or receiver driers
  • Restoring proper cooling performance in R134a systems
  • Eliminating compressor noise or failure caused by insufficient lubrication
  • Upgrading to a complete kit for comprehensive system repair

Installation Notes and Tips

  • Ensure system is fully evacuated and flushed before installation to prevent contamination
  • Verify compatibility with your Jeep Grand Cherokee model year and R134a refrigerant system
  • Use the included compressor oil to maintain proper lubrication levels
  • Check all O-ring seals and fittings for proper seating to avoid leaks
  • Follow manufacturer torque specifications for mounting components

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 1618NK comes with a limited lifetime warranty, reflecting the brand’s commitment to quality and durability. Each component is manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment for Jeep Grand Cherokee vehicles. This warranty provides added confidence in the longevity of your air conditioning system repair.

BrandFour Seasons
Part Number1618NK
PositionComplete A/C Kit
Compressor Oil IncludedIncluded
Compressor Oil TypeOil
Expansion Device TypeBlock Type
Expansion Valve Inlet TypeO-Ring
Expansion Valve Outlet TypeInsert O-Ring
Kit Includes78380 (New Compressor), 83110 (Filter Drier), 39014 (Exp Valve), 59007 (Oil), O-Rings
Receiver Drier/Accumulator Diameter IN2.500
Receiver Drier/Accumulator Inlet Fitting TypePad Mount
Receiver Drier/Accumulator Length IN8.000
Receiver Drier/Accumulator Outlet Fitting Size IN.608
Receiver Drier/Accumulator Outlet Fitting TypePad Mount
Refrigerant TypeR134a
TypeComplete Air Conditioning Kit w/ New Compressor
WarrantyLimited Lifetime

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004JeepGrand Cherokee4.7LV8N/Aw/ 10PA17E Compressor; Includes: 78380 (New Compressor), 83110 (Filter Drier), 39014 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit
2003JeepGrand Cherokee4.7LV8N/Aw/ 10PA17E Compressor; Includes: 78380 (New Compressor), 83110 (Filter Drier), 39014 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit
2002JeepGrand Cherokee4.7LV8N/Aw/ 10PA17E Compressor; Includes: 78380 (New Compressor), 83110 (Filter Drier), 39014 (Exp Valve), 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:

1618NK

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