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Four Seasons 66750 A/C Refrigerant Suction Hose
Reliable A/C Refrigerant Suction Hose for Chevrolet and GMC Vans
The Four Seasons Hose Assembly 66750 is designed to provide dependable performance for your vehicle's HVAC system. Engineered with durable aluminum and rubber materials, this A/C refrigerant suction hose is compatible with select Chevrolet and GMC vans, ensuring proper refrigerant flow and system efficiency.
- Constructed from aluminum and rubber for durability and flexibility
- Equipped with P-nut fittings on both ends for secure connections
- Compatible with R134a refrigerant systems
- Includes slim line sealing washers (O-Ring 24404) for leak prevention
- Designed without brackets, mufflers, or service ports
About the Four Seasons Hose Assembly Product Line
The Hose Assembly line from Four Seasons focuses on delivering precise hose and pipe components tailored for HVAC systems. This product line emphasizes quality materials and fitment accuracy, providing reliable hose assemblies like part number 66750 that meet OEM specifications for refrigerant suction applications in commercial vans.
Product Details and Specifications
This A/C refrigerant suction hose assembly features aluminum and rubber construction, combining strength with flexibility to withstand the demands of HVAC refrigerant flow. Both ends utilize P-nut fittings, ensuring a tight and secure connection to the vehicle's A/C system. The hose is designed specifically for R134a refrigerant, the standard for many modern vehicles. Included are two slim line sealing washers (O-Ring 24404) to help maintain a leak-free seal. This assembly does not include a bracket, muffler, or service port, focusing solely on the hose function.
Compatible Vehicles and Common Applications
- Chevrolet Express 2500 and Express 3500 vans
- GMC Savana 2500 and Savana 3500 vans
- Replacement of worn or damaged A/C refrigerant suction hoses
- Restoring proper refrigerant flow in HVAC systems
- Resolving refrigerant leaks or pressure loss in suction lines
Installation Notes and Tips
When installing the Four Seasons Hose Assembly 66750, ensure both P-nut fittings are tightened to manufacturer torque specifications to prevent leaks. Verify that the included slim line sealing washers are properly seated to maintain a secure seal. Since this hose assembly does not include brackets or mufflers, confirm that the existing mounting points and supports are intact and secure before installation.
Quality Assurance and Warranty
Four Seasons manufactures this hose assembly to meet industry standards for HVAC components. The use of quality materials such as aluminum and rubber ensures durability and resistance to refrigerant exposure. While specific warranty details are not provided, Four Seasons products typically adhere to strict quality control processes to support reliable vehicle operation.
| Brand | Four Seasons |
| Part Number | 66750 |
| Position | Hose Assembly |
| Material | Aluminum / rubber |
| End 1 Type | P-nut fitting |
| End 2 Type | P-nut fitting |
| Refrigerant Type | R134a |
| Gasket Or Seal Included | Included |
| Switch Service Port | No |
| Bracket? | W/o bracket |
| Description | Hose assemblies |
| Muffler? | W/o muffler |
| O-Ring A Number/Desc | 24404 / slim line sealing washer |
| O-Ring A Quantity | 2 |
| Service Port Included | No |
This part fits 44 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2016 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2016 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2016 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2015 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2015 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2015 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2015 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2014 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2014 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2014 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2014 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2013 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2013 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2013 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2013 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2012 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2012 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2012 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2012 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2011 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2011 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2011 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2011 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2010 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2010 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2010 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2010 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2009 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2009 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2009 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2009 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2008 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2008 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2008 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2008 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2007 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2007 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2007 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2007 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2006 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2006 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2006 | GMC | Savana 2500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; Hose Assembly |
| 2006 | GMC | Savana 3500 | 6.6L | V8 | N/A | Vehicle w/ Rear AC; 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.