HomeHVAC > Hoses and PipesFour Seasons 66429 A/C Refrigerant Discharge Hose
Part #: 66429

Four Seasons 66429 A/C Refrigerant Discharge Hose

Hose Assembly
⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$49.17Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: Nissan, LEAF
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable A/C Refrigerant Discharge Hose for Nissan LEAF

The Four Seasons Hose Assembly part number 66429 is designed specifically for the Nissan LEAF to ensure efficient air conditioning system performance. This A/C refrigerant discharge hose is engineered with durable aluminum and rubber materials to withstand the demands of R134-a refrigerant systems.

Key Features of Four Seasons Hose Assembly 66429

  • Constructed from aluminum and rubber for durability and flexibility
  • Compatible with R134-a refrigerant type
  • Includes gasket and fittings for secure connections
  • Equipped with a muffler to reduce noise and vibration
  • O-ring set included (two green O-rings, part number 24661)
  • Original equipment replacement designed for Nissan LEAF
  • Features a P-nut fitting on the suction end
  • Does not include a service port, switch, or bracket

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line from Four Seasons focuses on providing complete hose solutions for HVAC systems in vehicles. This product line emphasizes quality materials and precise fitment to replace original equipment parts. The 66429 discharge hose assembly is part of this line, offering a direct replacement that meets OEM specifications for the Nissan LEAF’s air conditioning system.

Detailed Product Description

This A/C refrigerant discharge hose assembly is designed to handle the high-pressure side of the Nissan LEAF’s air conditioning system. The combination of aluminum and rubber materials ensures resistance to heat and pressure while maintaining flexibility for installation. The included gasket and fittings help create a leak-free seal, and the muffler reduces operational noise. The hose assembly is supplied without a service port or switch, matching the original equipment configuration. The two green O-rings (part number 24661) provide additional sealing reliability at connection points.

Common Applications and Issues Addressed

  • Replacement of worn or cracked A/C refrigerant discharge hoses
  • Resolving refrigerant leaks in the high-pressure discharge line
  • Eliminating noise caused by vibration in the discharge hose
  • Restoring proper refrigerant flow for efficient air conditioning
  • Maintaining OEM fit and function for Nissan LEAF HVAC systems

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66429, ensure all old seals and O-rings are removed and replaced with the included green O-rings to prevent leaks. The P-nut fitting on the suction end requires proper torque to avoid damage. Since this hose assembly does not include a service port or bracket, verify compatibility with your vehicle’s existing components before installation. Use appropriate tools to avoid damaging the aluminum fittings during assembly.

Quality Assurance and Warranty

Four Seasons designs its Hose Assembly line to meet or exceed OEM standards, providing reliable performance for Nissan LEAF vehicles. This part number 66429 is an original equipment replacement, ensuring compatibility and durability. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.

BrandFour Seasons
Part Number66429
PositionHose Assembly
MaterialAluminum / rubber
Refrigerant TypeR134-a
Component TypeDischarge line
Gasket Or Seal IncludedIncluded
Switch Service PortW/o switch port
Fittings IncludedIncluded
Bracket?W/o bracket
DescriptionHose assemblies
Muffler?W/ muffler
O-Ring A Number/Desc[24661] / green o-ring
O-Ring A Quantity2
O.E. Replacement?Yes
Service Port?W/o service port
Suction End TypeP-nut fitting
Switch Included?Not included

This part fits 5 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2015NissanLEAF-L--ELECTRICN/ADischarge Line; To 3/2015; Hose Assembly
2014NissanLEAFSL-L--ELECTRICN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2014NissanLEAFSV-L--ELECTRICN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2013NissanLEAFSL-L--ELECTRICN/ACompatible with various vehicles A/C refrigerant discharge hose; Hose Assembly
2013NissanLEAFSV-L--ELECTRICN/ACompatible with various vehicles A/C refrigerant discharge hose; 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:

21134066429787930924903NF1BA82942TP11259

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