HomeHVAC > Hoses and PipesFour Seasons 56309 A/C Refrigerant Suction Hose
Part #: 56309

Four Seasons 56309 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: Toyota, 4Runner
Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Hose Assembly 56309

The Four Seasons Hose Assembly 56309 is designed specifically for Toyota 4Runner models, providing a reliable A/C refrigerant suction hose solution. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system performance.

  • Material: Aluminum and rubber construction for durability and flexibility
  • End 1 Type: P-nut fitting for secure connection
  • End 2 Type: Female o-ring for leak-free sealing
  • Refrigerant Type: Compatible with R134-a refrigerant
  • System Pressure: Designed for low-pressure suction line applications
  • Includes gasket and fittings for complete installation
  • Service Port: Equipped with a 13 mm R134-a quick disconnect low side port
  • O-Rings: Includes two green o-rings (part number 24681) for proper sealing
  • OEM Replacement: Yes, meets original equipment specifications

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly product line focuses on delivering precise HVAC hose and pipe components tailored for vehicle-specific applications. The 56309 suction hose assembly is part of this line, engineered to meet the exact fit and function requirements for Toyota 4Runner A/C systems. This ensures compatibility and reliable performance within the vehicle’s low-pressure refrigerant circuit.

Detailed Product Description

This A/C refrigerant suction hose assembly (part number 56309) is constructed from a combination of aluminum and rubber, providing both strength and flexibility needed for the Toyota 4Runner’s HVAC system. The hose features a P-nut fitting on one end and a female o-ring fitting on the other, ensuring a secure and leak-resistant connection. It is designed for use with R134-a refrigerant and operates under low system pressure as a suction line component. The included gasket, fittings, and two green o-rings (24681) facilitate proper sealing and installation. Additionally, the hose assembly comes with a 13 mm quick disconnect service port on the low-pressure side, allowing for convenient maintenance without the need for additional adapters or modifications.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C suction hoses in Toyota 4Runner models
  • Resolving refrigerant leaks caused by cracked or degraded hose materials
  • Restoring proper refrigerant flow and pressure in the low-pressure side of the A/C system
  • Eliminating poor A/C performance due to faulty suction line components
  • Facilitating maintenance with an integrated service port for quick refrigerant access

Installation Notes and Tips

  • Ensure the vehicle is compatible: specifically designed for Toyota 4Runner models
  • Verify that the refrigerant type is R134-a before installation
  • Use the included gasket and o-rings to prevent leaks and ensure a tight seal
  • Do not overtighten P-nut fittings to avoid damage
  • Check for proper alignment of fittings and service port during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56309 is an OEM replacement part, manufactured to meet or exceed original equipment standards for fit, form, and function. It includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Users should consult product documentation or the manufacturer for exact warranty terms.

BrandFour Seasons
Part Number56309
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 TypeFemale O-Ring
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24681] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134-A
Service Port Qty1
Service Port Size13 mm
Service Port TypeR134-A Quick Disconnect
Service Port?w/ Service Port
Suction End TypeFemale O-Ring
Sve Port Low SideLow Side
Switch Included?Not Included
System PressureLow Pressure

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002Toyota4RunnerN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2001Toyota4RunnerN/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2000Toyota4Runner3.4LV6N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
1999Toyota4Runner3.4LV6N/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:

111563091533654191447471919180228269237850574812191563097850578027658871235540A72692CWK785057HA11030CT56309

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