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Four Seasons 66109 A/C Refrigerant Discharge / Suction Hose Assembly
Overview of Four Seasons Hose Assembly 66109
The Four Seasons Hose Assembly 66109 is designed for reliable performance in automotive HVAC systems. This A/C refrigerant discharge and suction hose assembly is compatible with select Buick, Chevrolet, and Pontiac models, providing a durable solution for air conditioning maintenance and repair.
- Constructed from aluminum and rubber materials for durability and flexibility
- Compatible with R134a refrigerant systems
- Includes gaskets and 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 integration
- OE replacement part designed without a service port or bracket
Four Seasons Hose Assembly Product Line Details
The Hose Assembly product line from Four Seasons focuses on providing complete hose and pipe solutions for automotive HVAC systems. This line emphasizes quality materials and precise fitment to ensure compatibility with original equipment specifications. The 66109 hose assembly exemplifies this approach by combining aluminum and rubber components with included seals and fittings to maintain system integrity and performance.
Detailed Product Description
The Four Seasons 66109 hose assembly serves as both the discharge and suction line in the vehicle's air conditioning system. It is specifically engineered for use with R134a refrigerant, common in many Buick, Chevrolet, and Pontiac vehicles such as the Allure, Grand Prix, Impala, LaCrosse, and Monte Carlo. The assembly includes essential components like gaskets and O-rings to ensure leak-free connections. Its P-nut fitting style on both ends allows for straightforward installation and secure attachment to the manifold block, which is included in the assembly. The integrated muffler helps reduce operational noise, contributing to a quieter cabin environment. This hose assembly does not include a service port or bracket, aligning with original equipment design for a direct replacement.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C refrigerant discharge and suction hoses
- Resolving refrigerant leaks caused by degraded seals or fittings
- Restoring proper refrigerant flow in Buick Allure and Chevrolet Impala A/C systems
- Eliminating noise issues related to faulty or missing mufflers in the HVAC line
- Maintaining system integrity in Pontiac Grand Prix and Monte Carlo air conditioning units
Installation Notes and Tips
- Ensure compatibility with vehicle models Buick Allure, Chevrolet Impala, Pontiac Grand Prix, LaCrosse, and Monte Carlo before installation
- Use the included gaskets and O-rings to prevent refrigerant leaks
- Verify that P-nut fittings are properly tightened to manufacturer torque specifications
- Inspect the manifold block and muffler for damage prior to installation
- Do not attempt to install if the hose assembly includes a service port or bracket, as this model does not have these features
Quality Assurance and Warranty
The Four Seasons Hose Assembly 66109 is manufactured to meet or exceed original equipment standards for fit, form, and function. It is an OE replacement part designed to integrate seamlessly with the vehicle's existing HVAC system. The product includes all necessary seals and fittings to ensure a secure and leak-free installation. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
|---|---|
| Part Number | 66109 |
| 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-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? | Not Included |
| Type | Discharge & Suction Line |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Buick | Allure | 5.3L | V8 | N/A | Hose Assembly |
| 2009 | Buick | LaCrosse | 5.3L | V8 | N/A | Hose Assembly |
| 2009 | Chevrolet | Impala | 5.3L | V8 | N/A | Compressor to Condenser; Hose Assembly |
| 2008 | Buick | Allure | 5.3L | V8 | N/A | Hose Assembly |
| 2008 | Buick | LaCrosse | 5.3L | V8 | N/A | Hose Assembly |
| 2008 | Chevrolet | Impala | 5.3L | V8 | N/A | Compressor to Condenser; Hose Assembly |
| 2008 | Pontiac | Grand Prix | 5.3L | V8 | N/A | Compressor to Condenser; Hose Assembly |
| 2007 | Chevrolet | Impala | 5.3L | V8 | N/A | Compressor to Condenser; Hose Assembly |
| 2007 | Chevrolet | Monte Carlo | 5.3L | V8 | N/A | Compressor to Condenser; Hose Assembly |
| 2007 | Pontiac | Grand Prix | 5.3L | V8 | N/A | Compressor to Condenser; Hose Assembly |
| 2006 | Chevrolet | Impala | 5.3L | V8 | N/A | Hose Assembly |
| 2006 | Chevrolet | Monte Carlo | 5.3L | V8 | N/A | Compressor to Condenser; Hose Assembly |
| 2006 | Pontiac | Grand Prix | 5.3L | V8 | N/A | Compressor to Condenser; Hose Assembly |
| 2005 | Pontiac | Grand Prix | 5.3L | V8 | N/A | Compressor to Condenser; 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.