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Four Seasons 56790 A/C Refrigerant Suction Hose
Overview of Four Seasons Accumulator Part 56790
The Four Seasons Accumulator with hose assembly (part number 56790) is designed specifically for Jeep Grand Cherokee models. This A/C refrigerant suction hose is engineered to meet or exceed OEM standards, ensuring reliable performance in your vehicle's HVAC system.
- Compatible with Jeep Grand Cherokee
- Refrigerant type: R134a
- Accumulator body length: 7.875 inches
- Accumulator body diameter: 3.5 inches
- Steel construction for durability
- Inlet and outlet with P-nut fittings (5/8 inch inlet, 3/4 inch outlet)
- Includes hose assembly without mounting bracket or muffler
- Single R134a quick disconnect service port
Four Seasons Accumulator Product Line Details
The Four Seasons Accumulator product line focuses on providing high-quality HVAC components that maintain the integrity of the vehicle’s air conditioning system. This accumulator with hose assembly is part of that line, designed to efficiently manage refrigerant flow and moisture removal on the suction side of the A/C system. The use of steel material and precise fittings ensures compatibility and durability for Jeep Grand Cherokee applications.
Product Features and Specifications
This accumulator assembly features a 7.875-inch long steel body with a 3.5-inch diameter, optimized for the suction side of the A/C system. It uses R134a refrigerant and includes inlet and outlet P-nut fittings sized at 5/8 inch and 3/4 inch respectively. The assembly comes without a mounting bracket or muffler, and it includes one R134a quick disconnect service port for convenient maintenance. The hose length measures 204 mm, and the design excludes a manifold or switch port, focusing on essential functionality.
Common Applications and Problem Solving
- Prevents moisture and debris from entering the A/C compressor
- Maintains proper refrigerant flow in Jeep Grand Cherokee HVAC systems
- Helps avoid compressor damage due to liquid refrigerant
- Supports efficient air conditioning performance and longevity
- Replaces worn or leaking accumulator and hose assemblies
Installation Notes and Tips
Installation of the Four Seasons Accumulator 56790 should be performed by a qualified technician familiar with Jeep Grand Cherokee HVAC systems. Ensure the system is properly evacuated and recharged with R134a refrigerant after installation. Since this assembly does not include a mounting bracket, verify existing brackets are secure or replaced as needed. Check all P-nut fittings for tightness to prevent leaks.
Quality Assurance and Warranty
This Four Seasons accumulator assembly meets or exceeds OEM specifications for fit, form, and function. Manufactured from durable steel, it is built to withstand typical operating conditions in automotive HVAC systems. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty covering defects in material and workmanship.
| Brand | Four Seasons |
|---|---|
| Part Number | 56790 |
| Position | Accumulator |
| Accumulator Body Diameter | 3.500 |
| Accumulator Body Length | 7.875 |
| Description | Accumulator w/ Hose Assy |
| Dia. MM | 88.900 |
| Inlet Fraction | 5/8 |
| Inlet IN | 0.625 |
| Inlet MM | 15.875 |
| Inlet Type | P-Nut Fitting |
| Length MM | 204 |
| Manifold? | w/o Manifold |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mounting Bracket Included | w/o Bracket |
| Muffler? | w/o Muffler |
| Outlet Fraction | 3/4 |
| Outlet IN | 0.750 |
| Outlet MM | 19.500 |
| Outlet Type | P-Nut Fitting |
| Refrigerant Type | R134a |
| Service Port Qty | 1 |
| Service Port Type | R134-A Quick Disconnect |
| Service Port? | w/o Service Port |
| Style | Suction Side |
| Sve Port Low Side | Low Side |
| Switch Port? | w/o Switch Port |
| Type | w/ Hose |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Accumulator |
| 2001 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Suction Line w/ Accumulator; Accumulator |
| 2000 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Accumulator |
| 2000 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Suction Line w/ Accumulator; Accumulator |
| 1999 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Accumulator |
| 1999 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | Suction Line w/ Accumulator; Accumulator |
* 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.