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Four Seasons 6918NK A/C Compressor and Component Kit
| Brand | Four Seasons 6918NK |
|---|---|
| Compressor Oil Included | Included |
| Compressor Oil Type | Oil |
| Expansion Device Type | Liquid Line |
| Gasket / Seals? | Included |
| Kit Includes | 68182 (New Compressor), 83129 (Accum), 56822 (Liq w/ Ofifice), 59007 (Oil), O-Rings |
| Receiver Drier/Accumulator Diameter IN | 3.500 |
| Receiver Drier/Accumulator Inlet Fitting Type | Male Springlock |
| Receiver Drier/Accumulator Length IN | 8.000 |
| Receiver Drier/Accumulator Outlet Fitting Type | Male Springlock |
| Refrigerant Type | R134a |
| Type | Complete Air Conditioning Kit w/ New Compressor |
| Warranty | Limited Lifetime |
| Product line | Complete A/C Kit |
| Fits | Dodge · 6 vehicles |
Complete A/C kit. Includes a new compressor, accumulator, liquid line, oil, and O-rings.
Compressor oil included. Supplied with oil and seals for a more complete installation.
R134a compatible. Built for systems using R134a refrigerant.
Cross-references Four Seasons 6918NK and 520231 for the same application. See all 2.
Complete A/C Kit for Ram HD Applications
Four Seasons 6918NK is a Complete A/C Kit built for 2007-2009 Dodge Ram 2500 and 2007-2009 Dodge Ram 3500 models with an HS18 compressor. It combines the major air conditioning service components needed for a full system refresh in one application-specific package.
The Four Seasons Complete A/C Kit line is focused on replacing key HVAC parts together so the compressor, accumulator, liquid line with orifice, oil, and seals are matched for the repair. This helps streamline service on Dodge Ram 2500 and Ram 3500 trucks using R134a refrigerant.
Key Features
- Part number 6918NK from Four Seasons Complete A/C Kit
- Complete air conditioning kit with new compressor
- Includes compressor oil and O-rings
- R134a refrigerant system application
- Liquid line expansion device type
- Receiver drier/accumulator with male springlock inlet and outlet fittings
- Limited Lifetime warranty
Detailed Product Overview
Four Seasons 6918NK includes a new compressor, accumulator, liquid line with orifice, oil, and O-rings for a complete HVAC repair on compatible Ram HD trucks. The kit is built for 2007-2009 Dodge Ram 2500 and 2007-2009 Dodge Ram 3500 models equipped with an HS18 compressor and uses R134a refrigerant. The accumulator measures 3.500 inches in diameter and 8.000 inches in length, with male springlock inlet and outlet fittings for the specified application.
This part cross-references 520231 for the same application. If you are servicing a Dodge Ram 2500 or Dodge Ram 3500 with weak cooling performance, this kit provides the major components needed for a system-level A/C repair under one part number, 6918NK.
Common Problems This Kit Can Address
- Loss of cabin cooling performance
- Compressor failure or compressor noise
- Restricted refrigerant flow through the liquid line or orifice
- Moisture-related A/C system contamination
- Leaking seals or worn O-rings in the HVAC circuit
Installation Notes and Tips
Verify the vehicle is a 2007-2009 Dodge Ram 2500 or 2007-2009 Dodge Ram 3500 with an HS18 compressor before ordering. Confirm refrigerant type, line fittings, and accumulator dimensions against the original system components. Proper evacuation, leak checking, and refrigerant recharge procedures are required after installation.
Quality Assurance
Four Seasons backs this kit with a Limited Lifetime warranty. The 6918NK kit is built as a complete replacement solution for the specified Ram HD A/C application, with the compressor oil and sealing components included for service readiness.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Dodge | Ram 2500 | 6.7L | L6 | N/A | w/ HS18 Compressor; Includes: 68182 (New Compressor), 83129 (Accum), 56822 (Liq w/ Ofifice), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2009 | Dodge | Ram 3500 | 6.7L | L6 | N/A | w/ HS18 Compressor; Includes: 68182 (New Compressor), 83129 (Accum), 56822 (Liq w/ Ofifice), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2008 | Dodge | Ram 2500 | 6.7L | L6 | N/A | w/ HS18 Compressor; Includes: 68182 (New Compressor), 83129 (Accum), 56822 (Liq w/ Ofifice), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2008 | Dodge | Ram 3500 | 6.7L | L6 | N/A | w/ HS18 Compressor; Includes: 68182 (New Compressor), 83129 (Accum), 56822 (Liq w/ Ofifice), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2007 | Dodge | Ram 2500 | 6.7L | L6 | N/A | w/ HS18 Compressor; Includes: 68182 (New Compressor), 83129 (Accum), 56822 (Liq w/ Ofifice), 59007 (Oil), O-Rings; Complete A/C Kit |
| 2007 | Dodge | Ram 3500 | 6.7L | L6 | N/A | w/ HS18 Compressor; Includes: 68182 (New Compressor), 83129 (Accum), 56822 (Liq w/ Ofifice), 59007 (Oil), O-Rings; Complete A/C Kit |
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