Four Seasons 63170 A/C Refrigerant Discharge Hose
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Four Seasons
 Hose Assembly

Four Seasons 63170 A/C Refrigerant Discharge Hose

Brand Four Seasons 63170
Material Aluminum / rubber
End 1 Type P-nut fitting
End 2 Type P-nut fitting
Refrigerant Type R1234yf
Gasket Or Seal Included Included
Switch Service Port Yes
Bracket? W/o bracket
Description Hose assemblies
Muffler? W/o muffler
Service Port Included No
Product line Hose Assembly
Fits Chevrolet · 6 vehicles

OE-style replacement. Direct-fit hose assembly for A/C refrigerant discharge service.

R1234YF ready. Built for modern refrigerant systems with aluminum and rubber construction.

Seal included. Supports a secure connection at the hose ends.

Cross-references Continental 63170, 212864 and 84678721 for the same application. See all 3.

$51.47Free shipping
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Not what you need? See all A/C Refrigerant Discharge Hose options

Overview

Four Seasons 63170 is an A/C refrigerant discharge hose assembly built for direct replacement service on compatible HVAC systems. It uses aluminum and rubber construction with P-nut fittings on both ends and is specified for R1234YF refrigerant applications.

Fits 2020-2025 Chevrolet Corvette, N/A. This Four Seasons hose assembly is identified by part number 63170 and is cross-referenced to Continental 63170 for the same application.

Key Features

  • Aluminum and rubber construction for refrigerant line service
  • P-nut fittings on both ends for the discharge hose connection points
  • Configured for R1234YF refrigerant systems
  • Gasket or seal included for the connection points
  • Switch service port included; no bracket and no muffler

Product Details

Four Seasons 63170 is a hose assembly for the A/C refrigerant discharge circuit. The aluminum and rubber build combines line rigidity with flexibility, while the P-nut fittings and included seal support a secure service replacement. This part number 63170 is intended for vehicles using R1234YF refrigerant and matches the listed discharge line application for Chevrolet Corvette models from 2020 through 2025.

Common Issues It Can Address

  • Leaking discharge hose connections
  • Damaged or deteriorated refrigerant hose material
  • Faulty A/C line service port components
  • Loss of refrigerant pressure in the discharge circuit

Installation Notes

Verify refrigerant type, fitting style, and line routing before installation. Confirm the discharge line configuration matches the vehicle application and inspect mating surfaces for wear or contamination before assembly. Use the listed fitment details to confirm compatibility with the Corvette application before replacing the hose assembly.

Quality Assurance

Four Seasons states that its products are engineered and tested for long service life, backed by more than 50 years of mobile A/C experience.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2025ChevroletCorvetteDischarge Line; Hose Assembly
2024ChevroletCorvetteDischarge Line; Hose Assembly
2023ChevroletCorvetteDischarge Line; Hose Assembly
2022ChevroletCorvetteDischarge Line; Hose Assembly
2021ChevroletCorvetteDischarge Line; Hose Assembly
2020ChevroletCorvetteDischarge Line; Hose Assembly
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 6317021286484678721