HomeHVAC > Hoses and PipesFour Seasons 66728 A/C Refrigerant Suction Hose
Part #: 66728

Four Seasons 66728 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 4 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
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 66728

The Four Seasons Hose Assembly 66728 is designed specifically for the BMW X5, providing a reliable A/C refrigerant suction hose solution. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system integrity for vehicles using R134a refrigerant.

  • Compatible with BMW X5 models
  • Constructed from aluminum and rubber for durability
  • Equipped with P-nut fittings on both ends for secure connections
  • Includes green round and black O-rings for proper sealing
  • Designed as an original equipment (O.E.) replacement part
  • Includes necessary fittings and gasket for installation
  • Does not include a bracket, muffler, or service port

Detailed Product Description

This Four Seasons Hose Assembly 66728 belongs to the Hose Assembly product line, which focuses on delivering precise and reliable hose and pipe components for automotive HVAC systems. The assembly features a suction line component type, specifically engineered for the BMW X5's air conditioning system. Both ends of the hose use P-nut fittings, ensuring a tight and leak-free connection. The hose is compatible with R134a refrigerant, the standard refrigerant type for many modern vehicles. Included with the hose are two O-rings: a green round O-ring (part number 24635) and a black O-ring (part number 24150), which help maintain a secure seal and prevent refrigerant leaks. This assembly does not include a switch, bracket, muffler, or service port, focusing solely on the suction hose function.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant suction hoses on BMW X5
  • Resolving refrigerant leaks caused by deteriorated seals or fittings
  • Restoring proper refrigerant flow in the air conditioning system
  • Addressing system inefficiencies due to cracked or compromised hoses
  • Ensuring compatibility with R134a refrigerant systems in BMW X5 vehicles

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66728, ensure that the P-nut fittings are properly tightened to avoid refrigerant leaks. Replace the included O-rings during installation to maintain a secure seal. Since this assembly does not include a bracket or muffler, verify that existing mounting points and components are intact and secure. It is recommended to handle the hose carefully to prevent damage to the aluminum and rubber materials during installation.

Quality Assurance and Warranty

Four Seasons provides this Hose Assembly 66728 as an O.E. replacement part, meeting or exceeding original equipment specifications for fit and function. The inclusion of all necessary fittings and gaskets supports a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer.

BrandFour Seasons
Part Number66728
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 TypeP-Nut Fitting
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24635] / Green Round O-Ring
O-Ring B Number/Desc[24150] / Black O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End TypeP-Nut Fitting
Switch Included?Not Included

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010BMWX54.8LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2009BMWX54.8LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2008BMWX54.8LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2007BMWX54.8LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; 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:

211639645091436726453698886966728785902800801A83284HA112355C

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