HomeHVAC > Hoses and PipesFour Seasons 66123 A/C Liquid Line with Orifice Tube
Part #: 66123

Four Seasons 66123 A/C Liquid Line with Orifice Tube

Hose Assembly
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Dodge, Ram 2500 and Ram 3500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons Hose Assembly 66123

The Four Seasons Hose Assembly 66123 is designed specifically for Dodge Ram 2500 and Ram 3500 models. This A/C liquid line with orifice tube ensures reliable performance in your vehicle's HVAC system by maintaining proper refrigerant flow and pressure.

  • Constructed from durable aluminum and rubber materials
  • Compatible with R134a refrigerant type
  • Includes gasket or seal for secure connections
  • Equipped with fittings and a mounting bracket for easy installation
  • Features a captured orifice tube and a female liquid line connection
  • Service port included with a 16 mm high side size
  • Original equipment replacement part
  • Designed with a P-nut fitting suction end type

Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on providing complete hose assemblies for automotive HVAC systems. This line includes components such as liquid line hose assemblies with captured orifice tubes, designed to meet or exceed original equipment specifications. The 66123 part is a precise replacement that integrates fittings, brackets, and seals to ensure a proper fit and function in Dodge Ram 2500 and Ram 3500 vehicles.

Detailed Product Description

This A/C liquid line hose assembly combines aluminum and rubber materials to offer durability and flexibility under varying temperature and pressure conditions. It is engineered for use with R134a refrigerant, the standard for many modern vehicles. The inclusion of a captured orifice tube helps regulate refrigerant flow, optimizing the air conditioning system's efficiency. The female liquid line connection and P-nut fitting suction end provide secure and leak-resistant joints. Additionally, the service port on the high side with a 16 mm size allows for convenient maintenance and system checks.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C liquid lines in Dodge Ram 2500 and Ram 3500
  • Resolving refrigerant leaks caused by cracked or corroded hoses
  • Restoring proper refrigerant flow and pressure for efficient cooling
  • Fixing issues related to faulty or missing orifice tubes
  • Ensuring secure mounting and connection with included bracket and fittings

Installation Notes and Tips

  • Verify compatibility with Dodge Ram 2500 or Ram 3500 before installation
  • Ensure all old seals and gaskets are removed and replaced with the included gasket
  • Use proper torque specifications on fittings and P-nut connections to prevent leaks
  • Check the service port for accessibility to facilitate future maintenance
  • Inspect the bracket mounting points for secure attachment

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66123 is an original equipment replacement part, manufactured to meet strict quality standards. It includes all necessary fittings, seals, and brackets to ensure a reliable and long-lasting installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number66123
PositionHose Assembly
Bracket?w/ Bracket
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Liquid Line GenderFemale
MaterialAluminum / Rubber
O.E. Replacement?Yes
Orifice Tube?w/ Orifice Tube
Refrigerant TypeR134a
Service Port Size16 mm
Service Port?w/ Service Port
StyleLiquid Line Hose Assembly w/ Captured Orifice Tube
Suction End TypeP-Nut Fitting
Svc Port High SideHigh Side
TypeLiquid Line

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009DodgeRam 25006.7LL6N/AComplete Assembly; Hose Assembly
2009DodgeRam 35006.7LL6N/AComplete Assembly; Hose Assembly
2008DodgeRam 25006.7LL6N/AComplete Assembly; Hose Assembly
2008DodgeRam 35006.7LL6N/AComplete Assembly; Hose Assembly
2007DodgeRam 25006.7LL6N/AComplete Assembly; Hose Assembly
2007DodgeRam 35006.7LL6N/AComplete Assembly; Hose Assembly

* 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:

211021304678481284255056714AB55056922AA55056922AB57022666123790102A82565

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