HomeHVAC > Hoses and PipesFour Seasons 66581 A/C Refrigerant Suction Hose
Part #: 66581

Four Seasons 66581 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
$36.96Free 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: Honda, Odyssey
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable A/C Refrigerant Suction Hose for Honda Odyssey

The Four Seasons Hose Assembly 66581 is designed specifically for the Honda Odyssey, providing a durable and efficient solution for your vehicle's air conditioning system. This A/C refrigerant suction hose ensures proper refrigerant flow and system performance with its quality construction and precise fitment.

Key Features of Four Seasons Hose Assembly 66581

  • Constructed from aluminum and rubber for durability and flexibility
  • Equipped with P-nut fittings on both ends for secure connections
  • Compatible with R134a and R1234yf refrigerants
  • Includes gasket and fittings for a complete installation
  • Designed as a low-pressure suction line without a service or switch port
  • O-ring included (part number 23682, green) with two pieces for sealing
  • OE replacement part ensuring proper fit and function

Detailed Description of the Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on delivering reliable hose assemblies tailored for HVAC systems in various vehicles. The Hose Assembly 66581 is part of this line, engineered to meet OEM specifications for the Honda Odyssey. This line emphasizes quality materials and precise fittings to maintain system integrity and refrigerant containment without the need for additional brackets or mufflers.

Purpose and Common Applications

  • Replaces worn or damaged A/C refrigerant suction hoses in Honda Odyssey models
  • Restores proper refrigerant flow to improve air conditioning efficiency
  • Eliminates leaks caused by cracked or deteriorated hoses
  • Prevents low-pressure system failures related to faulty suction lines
  • Supports system maintenance without requiring additional service ports or switches

Installation Notes and Tips

  • Ensure compatibility with Honda Odyssey models before installation
  • Use included gaskets and fittings to secure leak-free connections
  • Check O-rings for proper placement and condition during installation
  • Do not require additional brackets or mufflers for mounting
  • Follow vehicle manufacturer guidelines for refrigerant handling and system servicing

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66581 is an OE replacement part designed to meet or exceed original equipment standards. It includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number66581
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[23682] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134a, R1234yf
Service Port?w/o Service Port
Suction End TypeP-Nut Fitting
Switch Included?Not Included
System PressureLow Pressure

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2025HondaOdysseyN/ASuction Line; Hose Assembly
2024HondaOdysseyN/ASuction Line; Hose Assembly
2023HondaOdysseyN/ASuction Line; Hose Assembly
2022HondaOdysseyN/ASuction Line; Hose Assembly
2021HondaOdysseyN/ASuction Line; Hose Assembly
2020HondaOdysseyN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2019HondaOdysseyN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2018HondaOdysseyN/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:

2114926658178575180311THRA01A83099HA113891C

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