HomeHVAC > Hoses and PipesFour Seasons 56629 A/C Suction and Liquid Line Hose Assembly
Part #: 56629

Four Seasons 56629 A/C Suction and Liquid Line Hose Assembly

Hose Assembly
6 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: Cadillac, DeVille
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Overview of Four Seasons Hose Assembly 56629

The Four Seasons Hose Assembly 56629 is designed specifically for Cadillac DeVille models, providing reliable HVAC performance. This A/C suction and liquid line hose assembly is engineered to handle both high and low system pressures, ensuring efficient refrigerant flow and system integrity.

  • Constructed from durable aluminum and rubber materials
  • Equipped with P-nut fittings on both ends for secure connections
  • Compatible with R134-a refrigerant systems
  • Includes gasket, fittings, and O-rings for a complete installation
  • Features a built-in orifice tube and manifold for precise refrigerant metering
  • Includes a service port with M10x1.0 thread and switch service port
  • Comes with a mounting bracket for proper hose positioning
  • Designed as an OEM replacement part for Cadillac DeVille HVAC systems

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering comprehensive hose solutions for automotive HVAC systems. This line includes assemblies that combine suction and liquid lines with integrated components such as orifice tubes, manifolds, and service ports. The 56629 hose assembly exemplifies this approach by providing a ready-to-install unit that meets original equipment specifications for Cadillac DeVille vehicles.

Detailed Product Description

The Four Seasons 56629 hose assembly is constructed with a combination of aluminum and rubber to withstand the demands of automotive air conditioning systems. Both ends feature P-nut fittings, ensuring a secure and leak-resistant connection to the vehicle’s HVAC components. Designed for use with R134-a refrigerant, this assembly supports both high and low system pressures, making it suitable for the suction and liquid lines of the A/C system. Included with the assembly are two slimline washer O-rings (part number 24402), a gasket, and all necessary fittings to facilitate installation. The assembly also incorporates a service port with a switch port and a mounting bracket, allowing for easy servicing and secure placement within the engine bay. The integrated orifice tube and manifold help regulate refrigerant flow, maintaining system efficiency and performance.

Common Applications and Issues Addressed

  • Replacement of worn or leaking A/C suction and liquid line hoses on Cadillac DeVille models
  • Restoring proper refrigerant flow and pressure balance in the HVAC system
  • Resolving refrigerant leaks caused by damaged fittings or seals
  • Addressing issues related to faulty orifice tubes affecting cooling performance
  • Facilitating maintenance with included service ports and fittings

Installation Notes and Tips

  • Ensure compatibility with Cadillac DeVille HVAC systems before installation
  • Use the included gasket, O-rings, and fittings to prevent leaks
  • Secure the hose assembly using the provided mounting bracket to avoid vibration damage
  • Check system pressure ratings to confirm suitability for your vehicle’s A/C system
  • Follow manufacturer torque specifications for P-nut fittings to ensure proper sealing

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56629 is manufactured to meet or exceed OEM standards for durability and performance. This part is an exact replacement for the original equipment on Cadillac DeVille vehicles, ensuring reliable operation within the HVAC system. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.

BrandFour Seasons
Part Number56629
PositionHose Assembly
Bracket?w/ Bracket
DescriptionHose Assemblies
End 1 TypeP-Nut Fitting
End 2 TypeP-Nut Fitting
Fittings IncludedIncluded
Friction Material Attachmentw/ Switch Port
Gasket Or Seal IncludedIncluded
Liquid Line StyleP-Nut Fitting
Manifold?w/ Manifold
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24402] / Slimline Washer
O.E. Replacement?Yes
Orifice Tube?w/ Orifice Tube
Refrigerant TypeR134-A
Service Port Qty2
Service Port TrdM10x1.0
Service Port?w/ Service Port
StyleHose Assy /Suc, Liq w/ Orif
Suction End SizeNo. 10
Suction End TypeP-Nut Fitting
Sve Port Low SideLow Side
System PressureHigh Pressure / Low Pressure
TypeSuction & Liquid Line

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2005CadillacDeVilleN/Aw/ Orifice Tube; w/ Rear AC; Hose Assembly
2004CadillacDeVilleN/Aw/ Orifice Tube; w/ Rear AC; Hose Assembly
2003CadillacDeVilleN/Aw/ Orifice Tube; w/ Rear AC; Hose Assembly
2002CadillacDeVilleN/Aw/ Orifice Tube; w/ Rear AC; Hose Assembly
2001CadillacDeVilleN/Aw/ Orifice Tube; w/ Rear AC; Hose Assembly
2000CadillacDeVilleN/Aw/ Orifice Tube; 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:

1532438201638257212982573400256629795054A82128HA112829CT56629

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