HomeHVAC > Hoses and PipesFour Seasons 66299 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 66299

Four Seasons 66299 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Hose Assembly
🚗Fitment: Ford, F-150, F-250, and Lobo
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Overview of Four Seasons Hose Assembly 66299

The Four Seasons Hose Assembly 66299 is designed specifically for Ford and Lincoln vehicles, including the F-150, F-250, and Mark LT models. This A/C refrigerant discharge and suction hose assembly ensures reliable HVAC system performance by maintaining proper refrigerant flow and pressure.

  • Constructed from durable aluminum and rubber materials
  • Compatible with R134a refrigerant type
  • Includes black O-rings for secure sealing
  • Features a male o-ring discharge end and P-nut fitting suction end
  • Equipped with a service port and switch service port (switch not included)
  • Includes a muffler and manifold block for noise reduction and system integration
  • OE replacement part designed for direct fit

Detailed Product Description

The Four Seasons Hose Assembly 66299 belongs to the Hose Assembly product line, which focuses on delivering precise HVAC hose and pipe solutions for automotive air conditioning systems. This assembly combines aluminum and rubber components to provide durability and flexibility, essential for handling the pressures and temperatures of A/C refrigerant flow. It is engineered to work with R134a refrigerant, the standard for many modern vehicles.

This hose assembly includes both discharge and suction lines, featuring a male o-ring discharge end and a P-nut fitting suction end to ensure a secure and leak-free connection. The included black O-rings (part number 24150) provide additional sealing reliability. The assembly also comes with a muffler to reduce noise and a manifold block to integrate with the vehicle’s HVAC system. While the assembly includes a service port and a switch service port, the switch itself is not included. This part is an OE replacement, designed to meet original equipment specifications for Ford and Lincoln trucks.

Applications and Common Issues Addressed

  • Replacement of worn or leaking A/C refrigerant discharge and suction hoses
  • Restoring proper refrigerant flow in Ford F-150, F-250, and Lincoln Mark LT HVAC systems
  • Eliminating A/C system noise with integrated muffler
  • Resolving refrigerant leaks caused by damaged O-rings or fittings
  • Ensuring compatibility with R134a refrigerant for efficient cooling

Installation Notes and Tips

  • Verify compatibility with your specific Ford or Lincoln model before installation
  • Inspect included O-rings and replace if damaged during installation
  • Ensure proper torque on male o-ring and P-nut fittings to prevent leaks
  • Check that the service port and switch service port are accessible for maintenance
  • Do not reuse old hoses or fittings to maintain system integrity

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66299 is manufactured to meet or exceed OEM standards for durability and performance. It is an OE replacement part, ensuring fit and function equivalent to the original component. The product includes all necessary seals and fittings for installation. Warranty details should be confirmed with the product supplier or manufacturer, as coverage may vary.

BrandFour Seasons
Part Number66299
PositionHose Assembly
Bracket?w/o Bracket
Discharge End StyleMale O-ring
Discharge End TypeMale O-Ring
Friction Material Attachmentw/ Switch Port
Gasket Or Seal IncludedIncluded
Manifold Suc StyleBlock
Manifold?Yes
MaterialAluminum / Rubber
Muffler?w/ Muffler
O-Ring A Number/Desc[24150] / Black O-Ring
O-Rings Included?Included
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/ Service Port
Suction End StyleP-Nut Fitting
Suction End TypeP-Nut Fitting
Switch Included?Not Included
TypeDischarge & Suction Line

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006FordF-1504.6LV8N/ASecond Design; Hose Assembly
2006FordF-1505.4LV8N/ASecond Design; Hose Assembly
2006FordF-250N/ASecond Design; Hose Assembly
2006LincolnMark LTN/A2nd Design; 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:

21119648120625L3Z19D850A66299781551A82798YF3102

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