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Four Seasons 66878 A/C Suction and Liquid Line Hose Assembly
Reliable A/C Suction and Liquid Line Hose Assembly for Chevrolet Caprice SS
The Four Seasons Hose Assembly part number 66878 is designed specifically for Chevrolet Caprice and Caprice SS models. This A/C suction and liquid line hose assembly ensures proper refrigerant flow and system pressure management for vehicles using R134-a refrigerant.
Key Features of Four Seasons Hose Assembly 66878
- Constructed with durable aluminum and rubber materials for long-lasting performance
- Equipped with P-nut fittings on both ends for secure connections
- Compatible with high and low system pressure applications
- Includes gasket and slim line sealing washers (O-Rings) for leak prevention
- Features a service port with a 13 mm size for easy maintenance
- Comes with a bracket and manifold for proper mounting and integration
- Designed without an orifice tube and muffler for direct fit
- OE replacement part ensuring compatibility and reliability
Detailed Description of Four Seasons Hose Assembly
The Four Seasons Hose Assembly 66878 is engineered to meet the specific HVAC hose and pipe requirements of Chevrolet Caprice and Caprice SS vehicles. This hose assembly combines aluminum and rubber materials to withstand the demands of both high and low pressure refrigerant flow within the A/C system. Featuring P-nut fittings on both suction and liquid line ends, it provides a secure and leak-resistant connection. The included slim line sealing washers (O-Rings) and gasket help maintain system integrity and prevent refrigerant leaks. Additionally, the assembly includes a service port for convenient system servicing and a bracket with manifold to ensure proper installation and stability.
About the Four Seasons Hose Assembly Product Line
The Four Seasons Hose Assembly product line focuses on delivering reliable and precise HVAC hose and pipe solutions for automotive air conditioning systems. This line is designed to provide direct OE replacement parts that maintain system efficiency and durability. The Hose Assembly line includes components like the 66878 part, which integrates essential fittings, seals, and mounting hardware to support proper refrigerant flow and system pressure management.
Common Applications and Issues Addressed
- Replacement of worn or damaged A/C suction and liquid line hoses in Chevrolet Caprice and Caprice SS
- Resolving refrigerant leaks caused by degraded seals or fittings
- Restoring proper refrigerant flow and system pressure for efficient cooling
- Addressing issues related to faulty or missing service ports for maintenance
- Ensuring secure hose mounting with included bracket and manifold
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 66878, ensure all O-rings and sealing washers are properly seated to prevent leaks. Verify that the P-nut fittings are tightened to manufacturer specifications. The included bracket and manifold should be securely mounted to maintain hose stability and prevent vibration damage. This assembly is designed for vehicles using R134-a refrigerant and is compatible with both high and low pressure sides of the A/C system.
Quality Assurance and Warranty
Four Seasons provides OE replacement quality with this Hose Assembly 66878, ensuring compatibility and durability for Chevrolet Caprice and Caprice SS models. The part includes all necessary seals and fittings to meet OEM standards. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 66878 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| End 1 Type | P-nut fitting |
| End 2 Type | P-nut fitting |
| Refrigerant Type | R134-a |
| System Pressure | High pressure / low pressure |
| Gasket Or Seal Included | Included |
| Switch Service Port | W/o switch port |
| Fittings Included | Included |
| Bracket? | W/ bracket |
| Description | Hose assemblies |
| Liquid Line Style | P-nut fitting |
| Manifold? | W/ manifold |
| Muffler? | W/o muffler |
| O-Ring A Number/Desc | [24401] / slim line sealing washer |
| O-Ring A Quantity | 2 |
| O-Ring B Number/Desc | [24404] / slimline washer |
| O-Ring B Quantity | 1 |
| O.E. Replacement? | Yes |
| Orifice Tube? | W/o orifice tube |
| Service Port Qty | 1 |
| Service Port Type | 13 mm |
| Service Port? | W/ service port |
| Style | Hose assembly w/ ihx |
| Suction End Size | No. 10 |
| Suction End Type | P-nut fitting |
| Sve Port Low Side | Low side |
| Type | Suction & liquid line |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | Chevrolet | Caprice | N/A | Hose Assembly |
| 2016 | Chevrolet | Caprice | N/A | Hose Assembly |
| 2015 | Chevrolet | Caprice | N/A | Hose Assembly |
| 2015 | Chevrolet | SS | N/A | Hose Assembly |
| 2014 | Chevrolet | Caprice | N/A | Hose Assembly |
| 2014 | Chevrolet | SS | N/A | Hose Assembly |
| 2013 | Chevrolet | Caprice | N/A | Hose Assembly |
| 2012 | Chevrolet | Caprice | 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.