HomeHVAC > Hoses and PipesFour Seasons 56408 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 56408

Four Seasons 56408 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
21 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Chevrolet and GMC, C1500, C2500, C35, C3500, K1500, K2500, and K3500
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Overview of Four Seasons Hose Assembly 56408

The Four Seasons Hose Assembly 56408 is designed for reliable performance in automotive HVAC systems. Specifically engineered for Chevrolet and GMC trucks, this A/C refrigerant discharge and suction hose assembly ensures proper refrigerant flow and system integrity.

  • Constructed from durable aluminum and rubber materials
  • Compatible with R134a refrigerant type
  • Includes green o-rings and sealing washers for secure connections
  • Features female o-ring discharge and suction end styles
  • Equipped with a manifold and switch service port (without switch included)
  • OEM replacement part for Chevrolet and GMC C35, C1500, C2500, C3500, K1500, K2500, and K3500 models

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on delivering precise HVAC hose and pipe solutions tailored to specific vehicle applications. This line emphasizes compatibility and durability, providing assemblies that meet original equipment specifications. The 56408 hose assembly is part of this line, offering a direct replacement option that maintains system efficiency and reliability for Chevrolet and GMC trucks.

Detailed Product Description

The Four Seasons 56408 hose assembly combines aluminum and rubber components to withstand the demands of automotive air conditioning systems. It is designed for use with R134a refrigerant, the standard for many modern vehicles. This assembly includes multiple green o-rings ([24606], [24608], [24612], [24650]) and sealing washers ([24354], [24355]) to ensure leak-free connections at both discharge and suction ends, which feature female o-ring styles. The assembly comes with a manifold and a switch service port, although the switch itself is not included. Fittings and brackets are not part of this assembly, so installation may require existing hardware or separate purchase. This part is an OEM replacement, ensuring compatibility and fitment with Chevrolet and GMC full-size trucks such as the C1500 and K3500 series.

Common Applications and Issues Addressed

  • Replacement of worn or damaged A/C refrigerant discharge and suction hoses
  • Resolving refrigerant leaks caused by degraded o-rings or seals
  • Restoring proper refrigerant flow in Chevrolet and GMC C35, C1500, C2500, C3500, K1500, K2500, and K3500 trucks
  • Addressing HVAC system inefficiencies due to hose assembly failure
  • Maintaining system pressure and preventing contamination with included sealing washers

Installation Notes and Tips

  • Ensure all old o-rings and seals are removed before installation
  • Use the included green o-rings and sealing washers to prevent leaks
  • Verify compatibility with your specific Chevrolet or GMC truck model before installation
  • Note that fittings and brackets are not included; retain or source separately as needed
  • Check the switch service port for proper connection, although the switch is not part of this assembly

Quality Assurance and Warranty

Four Seasons Hose Assembly 56408 is manufactured to meet OEM standards for fit and function. The inclusion of multiple o-rings and sealing washers supports a secure, leak-resistant installation. This part is an original equipment replacement, ensuring it meets the quality and durability requirements of Chevrolet and GMC HVAC systems. Warranty details should be confirmed with the product provider or manufacturer.

BrandFour Seasons
Part Number56408
PositionHose Assembly
Bracket?w/o Bracket
Discharge End StyleFemale O-Ring
Discharge End TypeFemale O-Ring
Fittings IncludedNot Included
Friction Material Attachmentw/ Switch Port
Gasket Or Seal IncludedIncluded
Manifold?Yes
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24606] / Green O-Ring
O-Ring B Number/Desc[24608] / Green O-Ring
O-Ring C Number/Desc[24612] / Green O-Ring
O-Ring D Number/Desc[24650] / Green O-Ring
O-Ring E Number/Desc[24354] / Sealing Washer
O-Ring F Number/Desc[24355] / Sealing Washer
O-Rings Included?Included
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port TypeService Port
Service Port?w/o Service Port
Suction End StyleFemale O-Ring
Suction End TypeBlock
Switch Included?Not Included
TypeDischarge & Suction Line

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993ChevroletC15005.7LV8N/AHose Assembly
1993ChevroletC15005.0LV8N/AHose Assembly
1993ChevroletC25005.7LV8N/AHose Assembly
1993ChevroletC25005.0LV8N/AHose Assembly
1993ChevroletC35N/AHose Assembly
1993ChevroletC35005.7LV8N/AHose Assembly
1993ChevroletK15005.7LV8N/AHose Assembly
1993ChevroletK15005.0LV8N/AHose Assembly
1993ChevroletK25005.7LV8N/AHose Assembly
1993ChevroletK25005.0LV8N/AHose Assembly
1993ChevroletK35005.7LV8N/AHose Assembly
1993GMCC15005.7LV8N/AHose Assembly
1993GMCC15005.0LV8N/AHose Assembly
1993GMCC25005.7LV8N/AHose Assembly
1993GMCC25005.0LV8N/AHose Assembly
1993GMCC35005.7LV8N/AHose Assembly
1993GMCK15005.7LV8N/AHose Assembly
1993GMCK15005.0LV8N/AHose Assembly
1993GMCK25005.7LV8N/AHose Assembly
1993GMCK25005.0LV8N/AHose Assembly
1993GMCK35005.7LV8N/AHose 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:

1115640815301821534262156918831918803628297134638023781033481156051607564085730182704944781033A72971ACD1530182CWK781033HA1607CT56408

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