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Four Seasons 66053 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 66053
The Four Seasons Hose Assembly 66053 is designed for reliable HVAC performance in select Buick, Cadillac, and Chevrolet vehicles. This A/C refrigerant discharge and suction hose assembly supports R134a and R1234yf refrigerants, ensuring compatibility with modern automotive air conditioning systems.
- Constructed from durable aluminum and rubber materials
- Includes slimline washer O-rings for secure sealing
- Equipped with P-nut fittings on both discharge and suction ends
- Features a muffler to reduce system noise
- Compatible with Buick Impala, Cadillac LaCrosse, and Chevrolet XTS models
- OE replacement part ensuring proper fit and function
- Includes gasket and O-rings for installation
Four Seasons Hose Assembly Product Line Details
The Four Seasons Hose Assembly product line focuses on providing complete hose and pipe solutions for automotive HVAC systems. This line emphasizes quality materials and precise fitment to maintain system integrity and performance. The 66053 hose assembly is part of this line, offering a combined discharge and suction line with integrated components such as mufflers and manifold blocks to meet OEM specifications.
Detailed Product Description
The 66053 hose assembly is engineered with aluminum and rubber to withstand the pressures and temperatures typical in automotive air conditioning systems. It supports both R134a and R1234yf refrigerants, making it suitable for vehicles updated to newer refrigerant standards. The assembly includes two sets of slimline washer O-rings (part numbers 24402 and 24404) to ensure leak-free connections at both ends. The discharge and suction ends utilize P-nut fittings for secure attachment, and the assembly comes without a service port or bracket, designed for direct replacement applications. Additionally, the integrated muffler helps reduce noise generated during system operation.
Common Applications and Issues Addressed
- Replacement of worn or leaking A/C refrigerant discharge and suction hoses
- Restoring proper refrigerant flow in Buick Impala, Cadillac LaCrosse, and Chevrolet XTS HVAC systems
- Eliminating noise caused by damaged or missing mufflers in the A/C line
- Addressing refrigerant leaks due to degraded O-rings or gaskets
- Upgrading to a hose assembly compatible with R134a and R1234yf refrigerants
Installation Notes and Tips
- Ensure the vehicle is compatible: Buick Impala, Cadillac LaCrosse, or Chevrolet XTS
- Verify refrigerant type before installation (R134a or R1234yf)
- Replace all included O-rings and gaskets to prevent leaks
- Use proper torque specifications for P-nut fittings to avoid damage
- Check for proper alignment of the manifold block and muffler during installation
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66053 is an OE replacement part manufactured to meet original equipment standards. It includes all necessary sealing components to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls and are backed by manufacturer support for defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 66053 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Discharge End Style | P-Nut Fitting |
| Discharge End Type | P-Nut Fitting |
| Friction Material Attachment | w/o Switch Port |
| Gasket Or Seal Included | Included |
| Manifold Suc Style | Block |
| Manifold? | Yes |
| Material | Aluminum / Rubber |
| Muffler? | w/ Muffler |
| O-Ring A Number/Desc | [24402] / Slimline Washer |
| O-Ring B Number/Desc | [24404] / Slimline Washer |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a, R1234yf |
| Service Port? | w/o Service Port |
| Suction End Style | P-Nut Fitting |
| Suction End Type | P-Nut Fitting |
| Switch Included? | w/o Service Port |
| Type | Discharge & Suction Line |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Chevrolet | Impala | N/A | Hose Assembly | |||
| 2019 | Cadillac | XTS | N/A | Hose Assembly | |||
| 2019 | Chevrolet | Impala | 3.6L | V6 | N/A | Hose Assembly | |
| 2018 | Cadillac | XTS | N/A | Hose Assembly | |||
| 2018 | Chevrolet | Impala | 3.6L | V6 | N/A | Hose Assembly | |
| 2017 | Cadillac | XTS | Base | N/A | Hose Assembly | ||
| 2017 | Cadillac | XTS | Platinum | N/A | Hose Assembly | ||
| 2017 | Cadillac | XTS | Luxury | N/A | Hose Assembly | ||
| 2017 | Cadillac | XTS | Premium Luxury | N/A | Hose Assembly | ||
| 2017 | Cadillac | XTS | Livery | N/A | Hose Assembly | ||
| 2017 | Chevrolet | Impala | 3.6L | V6 | N/A | Hose Assembly | |
| 2016 | Buick | LaCrosse | 3.6L | V6 | N/A | To A/C Compressor; w/ Refrigerant Suction Hose; Hose Assembly | |
| 2016 | Cadillac | XTS | N/A | Hose Assembly | |||
| 2016 | Chevrolet | Impala | 3.6L | V6 | N/A | To A/C Compressor; w/ Refrigerant Suction Hose; Hose Assembly | |
| 2015 | Buick | LaCrosse | 3.6L | V6 | N/A | Hose Assembly | |
| 2015 | Cadillac | XTS | N/A | Hose Assembly | |||
| 2015 | Chevrolet | Impala | 3.6L | V6 | N/A | Hose Assembly | |
| 2014 | Buick | LaCrosse | 3.6L | V6 | N/A | w/ PZEV Spec.; Hose Assembly | |
| 2014 | Cadillac | XTS | N/A | Hose Assembly | |||
| 2014 | Chevrolet | Impala | 3.6L | V6 | N/A | Hose Assembly | |
| 2013 | Buick | LaCrosse | 3.6L | V6 | N/A | w/ PZEV Spec.; Hose Assembly | |
| 2013 | Cadillac | XTS | N/A | 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.