OE Quality
60-Day Returns

Four Seasons 56673 A/C Refrigerant Discharge Hose
Reliable A/C Refrigerant Discharge Hose for Toyota Tundra
The Four Seasons Hose Assembly part number 56673 is designed specifically for Toyota Tundra models requiring an R134a refrigerant system. This A/C refrigerant discharge hose ensures proper flow and connection within your vehicle's HVAC system, maintaining efficient air conditioning performance.
- Compatible with Toyota Tundra models using R134a refrigerant
- Includes gasket and fittings for secure installation
- Discharge line component type with P-nut fitting suction end
- O-ring set included (two green o-rings, part number 24661)
- OE replacement part without switch service port or bracket
Four Seasons Hose Assembly Product Line Overview
The Hose Assembly line by Four Seasons focuses on delivering precise HVAC hose and pipe replacements that meet original equipment specifications. Part number 56673 is part of this line, offering a direct OE replacement discharge hose designed to integrate seamlessly with your Toyota Tundra's air conditioning system. This ensures reliable refrigerant flow and system integrity without the need for additional modifications.
Product Details and Specifications
This A/C refrigerant discharge hose is engineered for vehicles using R134a refrigerant and serves as the discharge line in the HVAC system. It comes without a switch service port or bracket, simplifying installation in compatible Toyota Tundra models. The hose assembly includes necessary fittings and two green O-rings (part number 24661) to ensure a tight, leak-free seal. The suction end features a P-nut fitting for secure connection. This part is an OE replacement, designed to match factory specifications and performance.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C refrigerant discharge hoses
- Restoring proper refrigerant flow in Toyota Tundra HVAC systems
- Resolving refrigerant leaks caused by damaged or cracked hoses
- Eliminating poor air conditioning performance due to faulty discharge lines
- Upgrading to an OE replacement hose assembly for system reliability
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 56673, ensure the vehicle is compatible with R134a refrigerant systems and the Toyota Tundra model year matches the hose specifications. Use the included gasket and fittings to secure connections and replace the O-rings with the provided green O-rings to prevent leaks. Since this hose does not include a switch service port or bracket, verify existing mounting points and service ports before installation. Proper torque on fittings is essential to maintain system integrity.
Quality Assurance and Warranty
Four Seasons manufactures this hose assembly to meet or exceed original equipment standards, providing a reliable replacement for Toyota Tundra A/C systems. The part number 56673 undergoes quality checks to ensure durability and performance. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.
| Brand | Four Seasons |
| Part Number | 56673 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Component Type | Discharge Line |
| Description | Hose Assemblies |
| Fittings Included | Included |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Muffler? | w/o Muffler |
| O-Ring A Number/Desc | [24661] / Green O-Ring |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| Service Port? | w/o Service Port |
| Suction End Type | P-Nut Fitting |
| Switch Included? | Not Included |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Toyota | Tundra | 5.7L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2008 | Toyota | Tundra | 5.7L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; Hose Assembly |
| 2007 | Toyota | Tundra | 5.7L | V8 | N/A | Compatible with various vehicles A/C refrigerant discharge hose; 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.