OE Quality
60-Day Returns

Four Seasons 56648 A/C Refrigerant Suction Hose
Overview of Four Seasons Hose Assembly 56648
The Four Seasons Hose Assembly 56648 is designed specifically for BMW models including the 550i, 650i, and 750i series. This A/C refrigerant suction hose ensures reliable low-pressure operation within your vehicle's HVAC system, maintaining optimal air conditioning performance.
- Constructed from durable aluminum and rubber materials
- Equipped with P-nut fitting on one end and block fitting on the other
- Compatible with R134-a refrigerant systems
- Includes gasket, fittings, and mounting bracket for secure installation
- OE replacement part designed for BMW 550i, 650i, and 750i models
Detailed Product Description
This Four Seasons Hose Assembly 56648 belongs to the Hose Assembly product line, which focuses on delivering precise fit and reliable performance for HVAC hoses and pipes. The combination of aluminum and rubber materials provides durability and flexibility, essential for the suction line's function in the air conditioning system. The hose features a P-nut fitting on one end and a block fitting on the other, designed to connect seamlessly with the vehicle's existing components. It is engineered for use with R134-a refrigerant, the standard for many BMW air conditioning systems.
The assembly includes two green O-rings (part number 24681), a gasket, and all necessary fittings, ensuring a complete replacement solution. A mounting bracket is also included to secure the hose assembly properly, preventing vibrations and potential damage. This part does not include a muffler or service port, aligning with the original equipment specifications for the compatible BMW models.
Applications and Common Issues Addressed
- Replacement of worn or leaking A/C refrigerant suction hoses
- Restoring proper low-pressure refrigerant flow in BMW 550i, 650i, and 750i HVAC systems
- Eliminating refrigerant leaks caused by damaged fittings or seals
- Resolving reduced air conditioning efficiency due to compromised suction lines
- Addressing vibration or noise issues related to loose or missing hose brackets
Installation Notes and Tips
- Ensure compatibility with BMW 550i, 550i GT, 650i, 750i, and related xDrive models before installation
- Use the included gasket and O-rings to maintain a proper seal and prevent refrigerant leaks
- Secure the hose assembly using the provided bracket to minimize vibration
- Verify that the system is evacuated and recharged with R134-a refrigerant after installation
- Inspect all fittings and connections for tightness and integrity during installation
Quality Assurance and Warranty
Four Seasons parts are engineered to meet or exceed original equipment standards. The Hose Assembly 56648 is an OE replacement part, ensuring compatibility and performance consistent with factory specifications. This product includes all necessary seals and fittings for a complete installation. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Four Seasons |
| Part Number | 56648 |
| Position | Hose Assembly |
| Bracket? | w/ Bracket |
| Component Type | Suction Line |
| Description | Hose Assemblies |
| End 1 Type | P-Nut Fitting |
| End 2 Type | Block |
| 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? | w/o Service Port |
| Suction End Type | Block |
| Switch Included? | Not Included |
| System Pressure | Low Pressure |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2014 | BMW | 550i | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2014 | BMW | 550i GT | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2014 | BMW | 550i GT xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2014 | BMW | 550i xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2014 | BMW | 650i | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2014 | BMW | 650i Gran Coupe | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2014 | BMW | 650i xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2014 | BMW | 650i xDrive Gran Coupe | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2013 | BMW | 550i | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2013 | BMW | 550i GT | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2013 | BMW | 550i GT xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2013 | BMW | 550i xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2013 | BMW | 650i | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2013 | BMW | 650i Gran Coupe | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2013 | BMW | 650i xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2013 | BMW | 650i xDrive Gran Coupe | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2012 | BMW | 550i | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2012 | BMW | 550i GT | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2012 | BMW | 550i GT xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2012 | BMW | 550i xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2012 | BMW | 650i | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2012 | BMW | 650i xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2012 | BMW | 750i | 4.4L | V8 | GAS | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly |
| 2012 | BMW | 750i xDrive | 4.4L | V8 | GAS | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly |
| 2012 | BMW | 750Li | 4.4L | V8 | GAS | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly |
| 2012 | BMW | 750Li xDrive | 4.4L | V8 | GAS | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly |
| 2011 | BMW | 550i | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2011 | BMW | 550i GT | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2011 | BMW | 550i GT xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2011 | BMW | 550i xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2011 | BMW | 750i | 4.4L | V8 | GAS | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly |
| 2011 | BMW | 750i xDrive | 4.4L | V8 | GAS | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly |
| 2011 | BMW | 750Li | 4.4L | V8 | GAS | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly |
| 2011 | BMW | 750Li xDrive | 4.4L | V8 | GAS | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly |
| 2010 | BMW | 550i GT | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2010 | BMW | 550i GT xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2010 | BMW | 750i | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2010 | BMW | 750i xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2010 | BMW | 750Li | N/A | Suction Line; Evaporator End; w/o Service Port; Hose Assembly | |||
| 2010 | BMW | 750Li xDrive | N/A | Suction Line; Evaporator End; w/o Service Port; 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.