HomeHVAC > Hoses and PipesFour Seasons 66624 A/C Refrigerant Suction Hose
Part #: 66624

Four Seasons 66624 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 8 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$40.06Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Chevrolet, Impala and Monte Carlo
🔄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 66624

The Four Seasons Hose Assembly 66624 is designed specifically for Chevrolet Impala and Monte Carlo models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

  • Constructed from durable aluminum and rubber materials
  • Features a female o-ring on one end and a flange on the other
  • Compatible with R134a refrigerant systems
  • Includes gasket, fittings, and two green o-rings (part number 24642)
  • Equipped with a 13 mm service port on the low-pressure side
  • OE replacement part designed for direct fit

Detailed Product Description

The Four Seasons Hose Assembly 66624 belongs to the Hose Assembly product line, which focuses on providing high-quality hose and pipe components for automotive HVAC systems. This particular suction line is engineered to handle low system pressure and is constructed from a combination of aluminum and rubber to balance flexibility and durability. The hose assembly includes all necessary fittings and seals, such as two green o-rings, ensuring a secure and leak-free connection. It features a female o-ring fitting on one end and a flange fitting on the other, designed to match the original equipment specifications for Chevrolet Impala and Monte Carlo vehicles using R134a refrigerant.

Applications and Common Issues Addressed

  • Replacement of worn or cracked A/C refrigerant suction hoses
  • Resolving low refrigerant pressure due to hose leaks
  • Fixing poor air conditioning performance caused by damaged suction lines
  • Eliminating refrigerant leaks at connection points with included gaskets and o-rings
  • Restoring proper refrigerant flow in Chevrolet Impala and Monte Carlo HVAC systems

Installation Notes and Tips

  • Ensure the vehicle is compatible: Chevrolet Impala and Monte Carlo models
  • Verify the refrigerant type is R134a before installation
  • Use the included fittings and gaskets to prevent leaks
  • Check that the service port is accessible for maintenance
  • Do not reuse old o-rings; replace with the included green o-rings (part number 24642)

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66624 is an OE replacement part, manufactured to meet or exceed original equipment standards. It is designed for durability and reliable performance in low-pressure A/C refrigerant systems. The product includes all necessary seals and fittings to ensure a proper installation. Warranty details should be confirmed with the product documentation or supplier, as they may vary.

BrandFour Seasons
Part Number66624
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeFemale O-Ring
End 2 TypeFlange
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24642] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port Qty1
Service Port Size13 mm
Service Port?w/ Service Port
Suction End TypeFlange
Sve Port Low SideLow Side
Switch Included?Not Included
System PressureLow Pressure

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003ChevroletImpala3.8LV6N/ASuction Line; Evaporator End; Hose Assembly
2003ChevroletMonte Carlo3.8LV6N/ASuction Line; Evaporator End; Hose Assembly
2002ChevroletImpala3.8LV6N/ASuction Line; Evaporator End; Hose Assembly
2002ChevroletMonte Carlo3.8LV6N/ASuction Line; Evaporator End; Hose Assembly
2001ChevroletImpala3.8LV6N/ASuction Line; Evaporator End; Hose Assembly
2001ChevroletMonte Carlo3.8LV6N/ASuction Line; Evaporator End; Hose Assembly
2000ChevroletImpala3.8LV6N/ASuction Line; Evaporator End; Hose Assembly
2000ChevroletMonte Carlo3.8LV6N/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:

103082471531851211535481306766624704513785735A83142HA111422C

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