Four Seasons 55388 A/C Refrigerant Suction Hose
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Four Seasons
 Hose Assembly

Four Seasons 55388 A/C Refrigerant Suction Hose

Brand Four Seasons 55388
Bracket? w/o Bracket
Component Type Suction Line
Description Hose Assemblies
End 1 Type P-Nut Fitting
End 2 Type Captured O-Ring
Fittings Included Included
Friction Material Attachment w/o Switch Port
Gasket Or Seal Included Included
Material Aluminum / Rubber
Muffler? w/o Muffler
O-Ring A Number/Desc [24682] / Green O-Ring
O.E. Replacement? Yes
Refrigerant Type R134-A
Service Port Qty 1
Service Port Size 13 mm
Service Port? w/ Service Port
Suction End Type P-Nut Fitting
Sve Port Low Side Low Side
Switch Included? Not Included
System Pressure Low Pressure
Product line Hose Assembly
Fits BMW · 6 vehicles

OE replacement. Direct-fit hose assembly for a straightforward replacement.

Aluminum / rubber construction. Balances strength and flexibility in the suction line.

Captured O-ring ends. Helps create a secure, leak-resistant seal.

Cross-references Four Seasons 55388, UAC HA11323C and 200420 for the same application. See all 10.

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Not what you need? See all A/C Refrigerant Suction Hose options

Four Seasons 55388 A/C Suction Hose

The Four Seasons 55388 is an OE replacement A/C refrigerant suction hose assembly for low-pressure HVAC service. Built with aluminum and rubber construction, it is made for R134-A systems and includes the service port and seals needed for a direct replacement on select applications.

Compatible with 2004-2006 BMW X5 HVAC systems, this Four Seasons hose assembly is a fitment-specific solution for restoring suction-side refrigerant flow. The Four Seasons 55388 is also referenced under common interchange numbers for the same application.

Key Features

  • Part type: A/C refrigerant suction hose assembly
  • OE replacement design for low-pressure suction line service
  • Aluminum / rubber construction
  • For R134-A refrigerant systems
  • End 1: P-Nut fitting
  • End 2: captured O-ring connection
  • Includes gasket or seal and fittings
  • Includes one 13 mm service port on the low side
  • Without switch port, bracket, or muffler
  • Uses green O-rings, OE-style replacement

Detailed Description

Four Seasons 55388 is a hose assembly for the HVAC suction side, where low-pressure refrigerant returns to the compressor. Its aluminum and rubber construction supports the routing and sealing requirements of the A/C system, while the captured O-ring and P-Nut fitting connections help match the original equipment layout on supported vehicles. This part is a direct OE replacement for 2004-2006 BMW X5 applications and is built for R134-A refrigerant service.

This part cross-references UAC HA11323C for the same application.

Common Problems This Part Can Address

  • Refrigerant loss from a cracked or leaking suction hose
  • Damaged hose ends or worn sealing surfaces at the A/C line connections
  • Low-side pressure issues caused by a compromised suction line
  • HVAC performance loss from restricted or deteriorated hose assembly routing
  • Service port leakage at the low-side connection point

Installation Notes and Tips

Verify the vehicle uses R134-A refrigerant and confirm the suction line routing before installation. Replace the sealing surfaces as required, inspect mating fittings for wear or corrosion, and evacuate and recharge the system according to factory service procedures after installation. Confirm fitment for 2004-2006 BMW X5 models before ordering.

Quality Assurance

Four Seasons supplies OE replacement HVAC components engineered to match original system requirements for fit and function on listed applications.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006BMWX54.4LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2006BMWX54.8LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2005BMWX54.4LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2005BMWX54.8LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2004BMWX54.4LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2004BMWX54.8LV8N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 55388UAC — HA11323C2004207853538028791115538864506945294A70350CWK785353HA11323