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Four Seasons 66630 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 66630
The Four Seasons Hose Assembly 66630 is designed specifically for Buick LaCrosse and Regal models, providing reliable A/C refrigerant discharge and suction line functionality. Constructed with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system integrity.
- Compatible with Buick LaCrosse and Regal models
- Constructed from aluminum and rubber for durability
- Designed for R134a refrigerant systems
- Includes slimline washer O-rings for secure sealing
- Features P-nut fittings on both discharge and suction ends
- Equipped with a muffler and manifold block for noise reduction and system stability
- OE replacement part ensuring proper fit and function
- Includes necessary gaskets and seals
Four Seasons Hose Assembly Product Line Details
The Hose Assembly product line from Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. This line emphasizes quality materials and exact fitment, such as the 66630 hose assembly, which integrates essential components like O-rings, mufflers, and manifold blocks to maintain system performance and reduce noise in Buick LaCrosse and Regal air conditioning systems.
Detailed Product Description
The Four Seasons 66630 hose assembly serves as both the discharge and suction line in the vehicle's A/C system. It is engineered with aluminum and rubber components to withstand pressure and temperature variations typical in automotive HVAC systems. The assembly is designed for R134a refrigerant, the standard for many modern vehicles. It includes two sets of slimline washer O-rings (part numbers 24404 and 24402) to ensure leak-free connections. The discharge and suction ends both utilize P-nut fittings for secure attachment, while the integrated muffler helps minimize operational noise. This assembly does not include a service port or bracket, aligning with original equipment specifications for Buick LaCrosse and Regal models.
Common Issues Addressed by This Hose Assembly
- Leaking refrigerant due to worn or damaged hoses
- Reduced A/C performance from clogged or deteriorated lines
- Excessive noise caused by missing or faulty mufflers
- Improper fitment leading to system inefficiency
- Failure of original hoses due to age or environmental exposure
Installation Notes and Tips
- Ensure compatibility with Buick LaCrosse and Regal models before installation
- Replace all included O-rings and gaskets to prevent leaks
- Use proper torque specifications for P-nut fittings to avoid damage
- Inspect the A/C system for contamination before installing the new hose assembly
- Verify that the system is evacuated and recharged with R134a refrigerant after installation
Quality Assurance and Warranty
Four Seasons Hose Assembly 66630 is an OE replacement part manufactured to meet or exceed original equipment standards. It includes all necessary seals and components to ensure a proper fit and reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 66630 |
| 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 | [24404] / Slimline Washer |
| O-Ring B Number/Desc | [24402] / Slimline Washer |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134a |
| 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 2 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Buick | Regal | Sedan | 2.4L | L4 | N/A | Hose Assembly |
| 2010 | Buick | LaCrosse | 2.4L | L4 | 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.