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Part #: 66339

Four Seasons 66339 A/C Suction and Liquid Line Hose Assembly

Hose Assembly
⚙️ 26 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: BMW, X5 and X6
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 66339

The Four Seasons Hose Assembly 66339 is designed specifically for BMW X5 and X6 models, providing reliable HVAC performance. This A/C suction and liquid line hose assembly combines durable aluminum and rubber materials to handle both high and low system pressures effectively.

  • Constructed from aluminum and rubber for durability and flexibility
  • Includes fittings, gasket, and two types of O-rings for secure sealing
  • Equipped with both high side and low side service ports
  • Features a block-type suction end and comes with a mounting bracket and manifold
  • OE replacement part ensuring compatibility and performance

Detailed Product Description

The Four Seasons Hose Assembly line offers comprehensive HVAC hose solutions, and part number 66339 is tailored for BMW X5 and X6 vehicles. This hose assembly integrates both suction and liquid lines, constructed from a combination of aluminum and rubber to withstand the demands of high and low pressure within the A/C system. It includes essential components such as fittings, a gasket, and multiple O-rings (two black [24150] and two green [24649]) to ensure a tight, leak-free connection. The assembly features a block-type suction end and is supplied with a bracket and manifold for secure installation. Service ports on both the high and low sides facilitate maintenance without the need for disassembly. This hose assembly does not include a switch service port, muffler, or orifice tube, aligning with original equipment specifications for these BMW models.

Common Applications and Issues Addressed

  • Replacement of worn or leaking A/C suction and liquid line hoses in BMW X5 and X6
  • Restores proper refrigerant flow and system pressure balance
  • Eliminates leaks caused by damaged O-rings or fittings
  • Supports efficient HVAC system operation by maintaining sealed connections
  • Facilitates service and maintenance with included service ports

Installation Notes and Tips

  • Ensure compatibility with BMW X5 and X6 models before installation
  • Inspect and replace O-rings as needed to prevent leaks
  • Use the included bracket and manifold for proper hose routing and secure mounting
  • Check system pressure ratings to confirm suitability for your vehicle's HVAC system
  • Service ports allow for refrigerant charging and diagnostics without hose removal

Quality Assurance and Warranty

Four Seasons Hose Assembly 66339 is an OE replacement part, meeting original equipment standards for fit and function on BMW X5 and X6 models. The assembly is manufactured with quality materials and includes all necessary seals and fittings to ensure reliable operation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use conditions.

BrandFour Seasons
Part Number66339
PositionHose Assembly
Bracket?w/ Bracket
DescriptionHose Assemblies
End 1 TypeBlock
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Manifold?w/ Manifold
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24150] / Black O-Ring
O-Ring B Number/Desc[24649] / Green O-Ring
O.E. Replacement?Yes
Orifice Tube?w/o Orifice Tube
Service Port Qty2
Service Port?w/ Service Port
StyleHose Assy /Suction, Liquid
Suction End TypeBlock
Svc Port High SideHigh Side
Sve Port Low SideLow Side
System PressureHigh Pressure / Low Pressure
TypeSuction & Liquid Line

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018BMWX53.0LL6N/AHose Assembly
2018BMWX54.4LV8N/AHose Assembly
2018BMWX6N/AHose Assembly
2017BMWX53.0LL6N/AHose Assembly
2017BMWX54.4LV8N/AHose Assembly
2017BMWX6N/AHose Assembly
2016BMWX53.0LL6N/AHose Assembly
2016BMWX54.4LV8N/AHose Assembly
2016BMWX6N/AHose Assembly
2015BMWX5N/AHose Assembly
2015BMWX6N/AHose Assembly
2014BMWX5N/AHose Assembly
2014BMWX6N/AHose Assembly
2013BMWX5N/AHose Assembly
2013BMWX6N/AHose Assembly
2012BMWX5N/AHose Assembly
2012BMWX6N/AHose Assembly
2011BMWX5N/AHose Assembly
2011BMWX6N/AHose Assembly
2010BMWX5N/AHose Assembly
2010BMWX6N/AHose Assembly
2009BMWX5N/AHose Assembly
2009BMWX6N/AHose Assembly
2008BMWX5N/AHose Assembly
2008BMWX6N/AHose Assembly
2007BMWX5N/AHose 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:

21123664536945725645391876356453927189466339795090A82838HA114282

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