HomeHVAC > Hoses and PipesFour Seasons 56719 A/C Refrigerant Suction Hose
Part #: 56719

Four Seasons 56719 A/C Refrigerant Suction Hose

Hose Assembly
⚙️ 3 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Jeep, Grand Cherokee
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons Hose Assembly 56719

The Four Seasons Hose Assembly 56719 is designed specifically for the Jeep Grand Cherokee HVAC system. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow, maintaining optimal air conditioning performance in your vehicle.

  • Constructed from durable aluminum and rubber materials
  • Features a P-nut fitting on one end and a flange on the other
  • Compatible with R134-a refrigerant systems
  • Includes gasket, fittings, and two green O-rings (part number 23682)
  • Equipped with a 13 mm R134-a quick disconnect service port
  • Designed as a low-pressure suction line without a muffler or bracket

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise replacement components for vehicle HVAC systems. This line includes hose assemblies engineered to meet original equipment specifications, ensuring proper fit and function. The 56719 part is a direct OE replacement, designed to integrate seamlessly with the Jeep Grand Cherokee’s air conditioning system.

Detailed Product Description

This A/C refrigerant suction hose assembly combines aluminum and rubber to provide durability and flexibility under varying temperature and pressure conditions. The P-nut fitting and flange end types facilitate secure connections within the HVAC system. The included gasket and fittings help maintain a leak-free seal, while the two green O-rings (23682) ensure proper sealing at connection points. The hose supports R134-a refrigerant and features a low-pressure suction line design with a 13 mm quick disconnect service port for efficient servicing.

Common Issues Addressed by This Hose Assembly

  • Leaking refrigerant due to worn or damaged suction hoses
  • Reduced A/C cooling performance from compromised low-pressure lines
  • Difficulty servicing the A/C system without a proper service port
  • Corrosion or cracking in original suction hoses
  • Improper fit or seal causing system pressure loss

Installation Notes and Tips

  • Ensure compatibility with Jeep Grand Cherokee models before installation
  • Replace O-rings with the included green O-rings (23682) to maintain proper sealing
  • Check all fittings and gaskets for damage and replace if necessary
  • Use proper torque specifications on P-nut and flange connections
  • Verify the service port is accessible for future refrigerant servicing

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56719 is manufactured to meet or exceed original equipment standards. It is an exact OE replacement part, ensuring reliable performance and fitment. The product includes all necessary fittings and seals for installation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.

BrandFour Seasons
Part Number56719
PositionHose Assembly
Bracket?w/o Bracket
Component TypeSuction Line
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 TypeFlange
Fittings IncludedIncluded
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[23682] / Green O-Ring
O.E. Replacement?Yes
Refrigerant TypeR134-A
Service Port Qty1
Service Port Size13 mm
Service Port TypeR134-A Quick Disconnect
Service Port?w/ Service Port
Suction End TypeFlange
Sve Port Low SideLow Side
Switch Included?Not Included
System PressureLow Pressure

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004JeepGrand Cherokee4.0LL6N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2003JeepGrand Cherokee4.0LL6N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; Hose Assembly
2002JeepGrand Cherokee4.0LL6N/AA/C Refrigerant Suction Hose fits multiple vehicle models.; 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:

111567191533589191447801919197528253330453634646433785099481236955116555AB55116555AC56719571429785099A72989CWK785099HA11429HA11429CT56719

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