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Four Seasons 66757 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 66757
The Four Seasons Hose Assembly 66757 is designed specifically for Buick Century and Pontiac Grand Prix models. This A/C refrigerant discharge and suction hose assembly ensures reliable performance with its durable aluminum and rubber construction, tailored for R134-a refrigerant systems.
- Constructed from aluminum and rubber for durability and flexibility
- Compatible with R134-a refrigerant type
- Includes gasket, fittings, and multiple 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 efficiency
- OE replacement part designed without a service port or bracket
Detailed Product Description
This Four Seasons Hose Assembly from the Hose Assembly product line is engineered to meet original equipment specifications for Buick Century and Pontiac Grand Prix vehicles. The assembly combines aluminum and rubber materials to provide a balance of strength and flexibility, essential for handling the pressures and temperatures of automotive A/C systems using R134-a refrigerant. It includes all necessary fittings and gaskets, such as sealing washers and green O-rings, to ensure leak-free connections. The discharge and suction ends both utilize P-nut fittings, facilitating straightforward installation and compatibility with existing system components. Additionally, the integrated muffler helps reduce operational noise, while the manifold block supports system stability.
Applications and Common Issues Addressed
- Replacement of worn or cracked A/C refrigerant hoses in Buick Century and Pontiac Grand Prix
- Elimination of refrigerant leaks caused by damaged seals or fittings
- Restoration of proper refrigerant flow and pressure in the A/C system
- Reduction of noise from refrigerant discharge with built-in muffler
- Upgrade to an OE replacement hose assembly for reliable system performance
Installation Notes and Tips
- Ensure compatibility with Buick Century and Pontiac Grand Prix models before installation
- Use included O-rings and sealing washers to prevent refrigerant leaks
- Check that P-nut fittings are securely tightened without over-torquing
- Note that this assembly does not include a service port or bracket; verify existing system components for compatibility
- Handle aluminum and rubber sections carefully to avoid damage during installation
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66757 is an OE replacement part designed to meet or exceed original equipment standards. It includes all necessary seals and fittings to ensure a proper fit and function. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for durability and reliability in automotive HVAC applications.
| Brand | Four Seasons |
| Part Number | 66757 |
| Position | Hose Assembly |
| Bracket? | w/o Bracket |
| Discharge End Style | P-Nut Fitting |
| Discharge End Type | P-Nut Fitting |
| Fittings Included | Included |
| 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 | [24354] / Sealing Washer |
| O-Ring B Number/Desc | [24622] / Green O-Ring |
| O-Ring C Number/Desc | [24628] / Green O-Ring |
| O-Rings Included? | Included |
| O.E. Replacement? | Yes |
| Refrigerant Type | R134-A |
| Service Port? | w/o Service Port |
| Suction End Style | P-Nut Fitting |
| Suction End Type | P-Nut Fitting |
| Switch Included? | Not Included |
| Type | Discharge & Suction Line |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Hose Assembly | |
| 2002 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Hose Assembly | |
| 2001 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Hose Assembly | |
| 2000 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Hose Assembly | |
| 1999 | Buick | Century | Sedan | 3.1L | V6 | N/A | Hose Assembly |
| 1999 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Hose Assembly | |
| 1998 | Buick | Century | Sedan | 3.1L | V6 | N/A | Hose Assembly |
| 1998 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Hose Assembly | |
| 1997 | Buick | Century | Sedan | 3.1L | V6 | N/A | Hose Assembly |
| 1997 | Pontiac | Grand Prix | 3.1L | V6 | 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.