HomeHVAC > Hoses and PipesFour Seasons 66989 A/C Suction and Liquid Line Hose Assembly
Part #: 66989

Four Seasons 66989 A/C Suction and Liquid Line Hose Assembly

Hose Assembly
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: BMW, X3 and X4
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Overview of Four Seasons Hose Assembly 66989

The Four Seasons Hose Assembly 66989 is designed specifically for BMW X3 and X4 models, providing reliable HVAC performance. This A/C suction and liquid line hose assembly is engineered to work with R1234yf refrigerant, ensuring compatibility with modern vehicle air conditioning systems.

  • Constructed from durable aluminum and rubber materials
  • Features a P-nut fitting on one end and a flange on the other
  • Includes gasket or seal for secure connections
  • Equipped with a service port and switch service port for maintenance
  • Hose assembly style includes an integrated heat exchanger (IHX)
  • Designed without a bracket and muffler
  • Compatible with BMW X3 and X4 models

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies for HVAC systems, combining both suction and liquid line hoses into a single unit. This approach simplifies replacement and ensures proper fitment and function. The 66989 part number is part of this line, offering a hose assembly with integrated features such as service ports and fittings included to support efficient A/C system servicing.

Product Description and Features

This hose assembly is constructed from a combination of aluminum and rubber, providing strength and flexibility necessary for automotive HVAC applications. The P-nut fitting on one end and flange on the other ensure secure and leak-free connections within the A/C system. Designed for use with R1234yf refrigerant, this hose assembly meets the requirements of newer BMW X3 and X4 air conditioning systems. The inclusion of a gasket or seal and service ports facilitates proper installation and maintenance. The hose assembly style includes an integrated heat exchanger (IHX), enhancing system efficiency without the need for additional components.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C suction and liquid line hoses in BMW X3 and X4
  • Resolving refrigerant leaks due to faulty hose connections
  • Improving A/C system performance by restoring proper refrigerant flow
  • Facilitating maintenance with included service ports
  • Addressing compatibility issues with R1234yf refrigerant systems

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66989, ensure the P-nut fitting and flange connections are properly tightened to prevent leaks. Use the included gasket or seal to maintain a secure seal. The service port and switch service port allow for easy system evacuation and recharge. This hose assembly does not include a bracket, so verify existing mounting points on the BMW X3 or X4 before installation. Proper handling of the aluminum and rubber materials will help avoid damage during installation.

Quality Assurance and Warranty

Four Seasons manufactures this hose assembly to meet OEM standards for durability and performance. The materials and design are selected to withstand the demands of automotive HVAC systems. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.

BrandFour Seasons
Part Number66989
PositionHose Assembly
MaterialAluminum / rubber
End 1 TypeP-nut fitting
End 2 TypeFlange
Refrigerant TypeR1234yf
Gasket Or Seal IncludedIncluded
Switch Service PortYes
Fittings IncludedIncluded
Bracket?W/o bracket
DescriptionHose assemblies
Muffler?No
Service Port IncludedYes
StyleHose assembly w/ ihx
TypeSuction & liquid line

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019BMWX3N/Aw/ R1234yf Service Port; Hose Assembly
2019BMWX43.0LL6N/Aw/ R1234yf Service Port; Hose Assembly
2018BMWX3N/Aw/ R1234yf Service Port; 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:

2119006453935453666989A83669HA114369C

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