HomeHVAC > Hoses and PipesFour Seasons 56790 A/C Refrigerant Suction Hose
Part #: 56790

Four Seasons 56790 A/C Refrigerant Suction Hose

Accumulator
6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Accumulator
Fitment: Jeep, Grand Cherokee
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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.

BrandFour Seasons
Part Number56790
PositionAccumulator
Accumulator Body Diameter3.500
Accumulator Body Length7.875
DescriptionAccumulator w/ Hose Assy
Dia. MM88.900
Inlet Fraction5/8
Inlet IN0.625
Inlet MM15.875
Inlet TypeP-Nut Fitting
Length MM204
Manifold?w/o Manifold
MaterialSteel
Meets / Exceeds OEM?Yes
Mounting Bracket Includedw/o Bracket
Muffler?w/o Muffler
Outlet Fraction3/4
Outlet IN0.750
Outlet MM19.500
Outlet TypeP-Nut Fitting
Refrigerant TypeR134a
Service Port Qty1
Service Port TypeR134-A Quick Disconnect
Service Port?w/o Service Port
StyleSuction Side
Sve Port Low SideLow Side
Switch Port?w/o Switch Port
Typew/ Hose

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001JeepGrand Cherokee4.0LL6N/AAccumulator
2001JeepGrand Cherokee4.0LL6N/ASuction Line w/ Accumulator; Accumulator
2000JeepGrand Cherokee4.0LL6N/AAccumulator
2000JeepGrand Cherokee4.0LL6N/ASuction Line w/ Accumulator; Accumulator
1999JeepGrand Cherokee4.0LL6N/AAccumulator
1999JeepGrand Cherokee4.0LL6N/ASuction 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:

0147304411156790141163715107531610071161065161065D1700291919200230311536623707014372351440866750011255115910AD5679068054875AA707014A9248CWK707014HA10071CT56790

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.