HomeHVAC > Hoses and PipesFour Seasons 66644 A/C Refrigerant Suction Hose
Part #: 66644

Four Seasons 66644 A/C Refrigerant Suction Hose

Hose Assembly
7 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: Chevrolet, HHR
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 66644

The Four Seasons Hose Assembly 66644 is designed specifically for the Chevrolet HHR's HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.

  • Constructed from durable aluminum and rubber materials
  • Equipped with P-nut fittings on both ends for secure connections
  • Compatible with R134a refrigerant systems
  • Includes gasket and fittings for a complete installation
  • Features a service port with a 13 mm size for easy maintenance
  • OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering reliable hose assemblies for automotive HVAC systems. This line includes components engineered to meet original equipment specifications, such as the 66644 suction hose assembly. Designed without brackets or mufflers, these hose assemblies provide straightforward installation and compatibility with specific vehicle models like the Chevrolet HHR.

Detailed Product Description

The Four Seasons 66644 A/C refrigerant suction hose is constructed from a combination of aluminum and rubber, providing durability and flexibility required for the HVAC system's low-pressure side. Both ends feature P-nut fittings, ensuring a secure and leak-free connection. This hose assembly is designed for use with R134a refrigerant and includes two slimline washer O-rings (part number 24404) to maintain a tight seal. The included service port allows for convenient system servicing without the need for additional components. This OE replacement part fits the Chevrolet HHR, maintaining factory specifications and system integrity.

Common Applications and Issues Addressed

  • Replacement of worn or leaking A/C refrigerant suction hoses in Chevrolet HHR vehicles
  • Resolving low refrigerant pressure issues affecting air conditioning performance
  • Fixing leaks caused by damaged or deteriorated hose materials
  • Restoring proper refrigerant flow in the low-pressure side of the HVAC system
  • Facilitating maintenance with an integrated service port

Installation Notes and Tips

  • Ensure the vehicle is compatible: Chevrolet HHR models requiring R134a refrigerant suction hose replacement
  • Use the included gasket and fittings to prevent leaks during installation
  • Verify that both P-nut fittings are properly tightened to manufacturer torque specifications
  • Check the service port for accessibility to simplify future maintenance
  • Inspect O-rings for damage and replace if necessary to maintain a proper seal

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66644 is an OE replacement part manufactured to meet or exceed original equipment standards. It is designed to provide reliable performance and durability in the Chevrolet HHR HVAC system. This part includes all necessary fittings and seals to ensure a proper installation. Warranty coverage details should be confirmed with the product documentation or manufacturer.

BrandFour Seasons
Part Number66644
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[24404] / Slimline Washer
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port Qty1
Service Port Size13 mm
Service Port?w/ Service Port
Suction End TypeP-Nut Fitting
Sve Port Low SideLow Side
Switch Included?Not Included
System PressureLow Pressure

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011ChevroletHHRN/ASuction Line; Evaporator End; Hose Assembly
2010ChevroletHHRN/ASuction Line; Evaporator End; Hose Assembly
2009ChevroletHHR2.2LL4N/ASuction Line; Evaporator End; Hose Assembly
2009ChevroletHHR2.4LL4N/ASuction Line; Evaporator End; Hose Assembly
2008ChevroletHHR2.2LL4N/ASuction Line; Evaporator End; Hose Assembly
2008ChevroletHHR2.4LL4N/ASuction Line; Evaporator End; Hose Assembly
2007ChevroletHHRN/ASuction Line; Evaporator End; 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:

15269296153382921155525802965481315866644700137785738A83162HA111644C

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