OE Quality
60-Day Returns

Four Seasons 56309 A/C Refrigerant Suction Hose
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.
| Brand | Four Seasons |
|---|---|
| Part Number | 56309 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Suction Line |
| Description | Hose Assemblies |
| End 1 Type | P-Nut Fitting |
| End 2 Type | Female O-Ring |
| Fittings Included | Included |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Material | Aluminum / Rubber |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24681] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134-A |
| Service Port Qty | 1 |
| Service Port Size | 13 mm |
| Service Port Type | R134-A Quick Disconnect |
| Service Port? | w/ Service Port |
| Suction End Type | Female O-Ring |
| Sve Port Low Side | Low Side |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Toyota | 4Runner | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2001 | Toyota | 4Runner | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly | ||
| 2000 | Toyota | 4Runner | 3.4L | V6 | N/A | A/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly |
| 1999 | Toyota | 4Runner | 3.4L | V6 | N/A | A/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.