HomeHVAC > Hoses and PipesFour Seasons 65663 A/C Liquid Line with Orifice Tube
Part #: 65663

Four Seasons 65663 A/C Liquid Line with Orifice Tube

Hose Assembly
15 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Chevrolet, Oldsmobile, and Pontiac, Malibu, Alero, Grand Am, Cutlass, and Cutlass Supreme
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Reliable A/C Liquid Line Hose Assembly for Chevrolet, Oldsmobile, and Pontiac

The Four Seasons Hose Assembly part number 65663 is designed to provide a durable and precise replacement for the A/C liquid line with orifice tube in select Chevrolet, Oldsmobile, and Pontiac models. Engineered for high-pressure R134-a refrigerant systems, this hose assembly ensures proper function and fitment for vehicles like the Malibu, Alero, Cutlass, Cutlass Supreme, and Grand Am.

  • Constructed from aluminum and brass for corrosion resistance and durability
  • Includes sealing washers and O-rings for a secure, leak-free connection
  • Equipped with a serviceable orifice tube for efficient refrigerant flow
  • Compatible with high-pressure R134-a refrigerant systems
  • Fittings included, without a service port or bracket
  • Designed with a P-nut fitting suction end for proper installation
  • OE replacement part ensuring direct fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing complete hose assemblies tailored for HVAC systems in vehicles. This product line emphasizes quality materials and precise engineering to match original equipment specifications. The 65663 liquid line hose assembly includes all necessary fittings and sealing components, making it a comprehensive solution for A/C system repairs in compatible Chevrolet, Oldsmobile, and Pontiac models.

Detailed Product Description

This A/C liquid line hose assembly is constructed from aluminum and brass, materials chosen for their strength and resistance to corrosion under high-pressure conditions. It is designed specifically for R134-a refrigerant systems, commonly used in many late-model vehicles. The assembly includes a serviceable orifice tube, which regulates refrigerant flow and helps maintain system efficiency. Sealing washers and O-rings (part numbers 24354 and 24404) are included to ensure a tight, leak-free seal. The hose assembly does not include a service port or bracket, and it features a P-nut fitting on the suction end for secure attachment.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C liquid lines in Chevrolet Malibu, Oldsmobile Cutlass, and Pontiac Grand Am
  • Fixing refrigerant leaks caused by cracked or corroded hoses
  • Restoring proper refrigerant flow with a new orifice tube assembly
  • Resolving high-pressure system failures due to faulty liquid lines
  • Ensuring compatibility with R134-a refrigerant systems in specified vehicle models

Installation Notes and Tips

  • Verify vehicle compatibility with Chevrolet Alero, Oldsmobile Cutlass Supreme, or Pontiac Grand Am before installation
  • Ensure all O-rings and sealing washers are properly seated to prevent leaks
  • Use appropriate tools for P-nut fittings to avoid damage during installation
  • Do not reuse old fittings or seals; always replace with included components
  • Check system pressure and refrigerant levels after installation to confirm proper operation

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed original equipment standards. The Hose Assembly part number 65663 is an OE replacement part, ensuring reliable fit and function. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. For warranty information, refer to the product packaging or manufacturer documentation.

BrandFour Seasons
Part Number65663
PositionHose Assembly
Bracket?w/o Bracket
DescriptionHose Assemblies
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Liquid Line StyleSealing Washer
MaterialAluminum / Brass
O-Ring A Number/Desc[24354] / Sealing Washer
O-Ring B Number/Desc[24404] / Slimline Washer
O.E. Replacement?Yes
Orifice Tube?w/ Orifice Tube
Refrigerant TypeR134-A
Service Port?w/o Service Port
StyleLiquid Line Hose Assembly w/ Serviceable Orifice Tube
Suction End TypeP-Nut Fitting
System PressureHigh Pressure
TypeLiquid Line

This part fits 15 vehicles. Search below:

YearMakeModelPositionNotes
2001ChevroletMalibuN/AHose Assembly
2001OldsmobileAleroN/AHose Assembly
2001PontiacGrand AmN/AHose Assembly
2000ChevroletMalibuN/AHose Assembly
2000OldsmobileAleroN/AHose Assembly
2000PontiacGrand AmN/AHose Assembly
1999ChevroletMalibuN/AHose Assembly
1999OldsmobileAleroN/AHose Assembly
1999OldsmobileCutlassN/AHose Assembly
1999PontiacGrand AmN/AHose Assembly
1998ChevroletMalibuN/AHose Assembly
1998OldsmobileCutlassN/AHose Assembly
1997ChevroletMalibuN/AHose Assembly
1997OldsmobileCutlassN/AHose Assembly
1997OldsmobileCutlass SupremeN/AHose 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:

153315721207022653160481329765663704517790108A83839HA111507C

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