HomeHVAC > Hoses and PipesFour Seasons 66452 A/C Refrigerant Suction Hose
Part #: 66452

Four Seasons 66452 A/C Refrigerant Suction Hose

Hose Assembly
4 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: Nissan, Quest
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 66452

The Four Seasons Hose Assembly 66452 is designed specifically for Nissan Quest models requiring a reliable A/C refrigerant suction hose. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow within the vehicle's HVAC system.

  • Material: Aluminum and rubber construction for durability and flexibility
  • End 1 Type: Flange connection
  • End 2 Type: P-nut fitting for secure attachment
  • Refrigerant Type: Compatible with R134-a refrigerant
  • Includes gasket and fittings for proper sealing and installation
  • Service port included with 13 mm size for low-pressure side access
  • O-rings included: green [24682] and black [24150] for leak prevention
  • 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 various vehicles. This product line emphasizes compatibility and quality by including necessary fittings, gaskets, and O-rings to facilitate straightforward installation and reliable performance. The 66452 hose assembly is part of this line, offering a direct OE replacement for Nissan Quest models, ensuring system integrity and proper refrigerant flow.

Detailed Product Description

This A/C refrigerant suction hose is engineered to handle low-pressure refrigerant flow within the Nissan Quest's HVAC system. The combination of aluminum and rubber materials provides both strength and flexibility, reducing the risk of leaks or damage from vibration and temperature changes. The flange and P-nut fitting ends allow for secure connections to the vehicle’s A/C components. Included gaskets and fittings ensure a tight seal, while the service port enables easy access for maintenance or refrigerant charging. The hose assembly comes without a bracket or muffler but includes all necessary O-rings to maintain system integrity.

Common Issues Addressed by This Hose Assembly

  • Leaking refrigerant due to worn or damaged suction hoses
  • Reduced A/C system efficiency from improper refrigerant flow
  • Difficulty accessing low-pressure service port for maintenance
  • Failure of original suction line components causing system pressure loss
  • Corrosion or cracking in older hose assemblies

Installation Notes and Tips

  • Ensure vehicle is compatible: Nissan Quest models requiring R134-a refrigerant suction hose
  • Use included gaskets and O-rings to prevent leaks during installation
  • Check for proper torque on flange and P-nut fittings to avoid damage
  • Inspect surrounding components for wear or damage during replacement
  • Verify service port accessibility for future maintenance

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66452 is an OE replacement part designed to meet or exceed original equipment specifications. It includes all necessary fittings and seals to ensure a proper fit and function. While specific warranty details are not provided, Four Seasons products typically come with manufacturer-backed quality assurance to support reliable performance in Nissan Quest HVAC systems.

BrandFour Seasons
Part Number66452
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeFlange
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[24682] / Green O-Ring
O-Ring B Number/Desc[24150] / Black O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134-A
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 4 vehicles. Search below:

YearMakeModelPositionNotes
2014NissanQuestN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2013NissanQuestN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2012NissanQuestN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2011NissanQuestN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; 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:

21136366452785828924801JA0AA82965

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