HomeHVAC > Hoses and PipesFour Seasons 66145 A/C Refrigerant Discharge / Suction Hose Assembly
Part #: 66145

Four Seasons 66145 A/C Refrigerant Discharge / Suction Hose Assembly

Hose Assembly
10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Hose Assembly
Fitment: Fiat and Jeep, 500X and Renegade
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Four Seasons 66145 A/C Hose Assembly

Four Seasons 66145 is an A/C refrigerant discharge and suction hose assembly built for HVAC service on select Jeep Renegade and Fiat 500X applications. It uses aluminum and rubber construction to support refrigerant flow while maintaining the flexibility needed in the engine bay.

Key Features

  • Part type: A/C refrigerant discharge / suction hose assembly
  • Material: aluminum / rubber
  • End 1 type: P-nut fitting
  • End 2 type: flange
  • Refrigerant types: R134A and R1234YF
  • Gasket or seal included
  • No service port included
  • No switch service port
  • Fittings not included
  • Without bracket and without muffler

Product Details

Four Seasons Hose Assembly line focuses on replacement HVAC components engineered and tested for dependable operation. Part number 66145 is a discharge and suction line designed for direct replacement service on 2015-2021 Jeep Renegade and 2016-2018 Fiat 500X models. This part cross-references Bosch 66145 for the same application.

The aluminum/rubber construction helps balance durability and routing flexibility, while the included gasket or seal supports proper connection sealing. Four Seasons 66145 is specified for R134A and R1234YF refrigerant systems, making it a practical choice for A/C hose replacement on Jeep Renegade and Fiat 500X HVAC repairs.

What It Helps Fix

  • Refrigerant leaks at the hose assembly connection points
  • Damaged or cracked A/C discharge and suction lines
  • Loss of cooling performance caused by hose failure
  • Improper sealing at the flange or P-nut fitting interfaces
  • HVAC service issues on Jeep Renegade and Fiat 500X models

Installation Notes

  • Verify the vehicle refrigerant type before installation.
  • Inspect mating surfaces and replace worn seals as needed.
  • Confirm the hose routing matches the original layout before tightening connections.
  • Fittings are not included, so reuse or source the correct vehicle-specific hardware as required.
  • Evacuate and recharge the system according to OEM service procedures after installation.

Quality Assurance

Four Seasons backs this hose assembly with more than 50 years of mobile A/C experience and tests its products for years of trouble-free operation. The brand positions the Hose Assembly line as a repair-focused solution for dependable HVAC service.

BrandFour Seasons
Part Number66145
PositionHose Assembly
MaterialAluminum / rubber
End 1 TypeP-nut fitting
End 2 TypeFlange
Refrigerant TypeR134a r1234yf
Gasket Or Seal IncludedIncluded
Switch Service PortNo
Fittings IncludedNot included
Bracket?W/o bracket
Muffler?W/o muffler
Service Port IncludedNo
TypeDischarge & suction line

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021JeepRenegade2.4LL4N/AHose Assembly
2020JeepRenegade2.4LL4N/AHose Assembly
2019JeepRenegade2.4LL4N/AHose Assembly
2018Fiat500X2.4LL4N/AHose Assembly
2018JeepRenegade2.4LL4N/AHose Assembly
2017Fiat500X2.4LL4N/AHose Assembly
2017JeepRenegade2.4LL4N/AHose Assembly
2016Fiat500X2.4LL4N/AHose Assembly
2016JeepRenegade2.4LL4N/AHose Assembly
2015JeepRenegade2.4LL4N/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:

2110434787708AA6614568418393AA68519384AAA82644HA112780C

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