Four Seasons
Hose Assembly

Four Seasons 63177 A/C Suction and Liquid Line Hose Assembly

Brand Four Seasons 63177
Material Aluminum / rubber
End 1 Type P-nut fitting
End 2 Type Flange
Refrigerant Type R134a r1234yf
Gasket Or Seal Included Included
Switch Service Port No
Fittings Included Included
Bracket? W/o bracket
Description Hose assemblies
Muffler? No
Service Port Included Yes
Style Hose assembly w/ ihx
Type Suction & liquid line
Product line Hose Assembly
Fits Cadillac and Chevrolet · 10 vehicles

IHX design. Integrated heat exchanger layout for the suction and liquid line assembly.

Complete connection points. Includes gasket or seal, fittings, and a service port for replacement service.

Refrigerant-ready. Configured for R134A and R1234YF HVAC systems.

Cross-references Continental 63177, 84629364 and 84731423 for the same application. See all 7.

$148.87Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $148.87
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

This Four Seasons A/C suction and liquid line hose assembly is built for vehicles using R134A or R1234YF refrigerant and features an integrated heat exchanger design. It uses aluminum and rubber construction with a P-nut fitting on one end and a flange on the other for a direct-style service replacement.

Part number 63177 is listed for 2020-2024 Cadillac XT5 and 2020-2024 Chevrolet Blazer applications with R1234yf. If you are replacing a worn or leaking HVAC hose assembly, 63177 provides the correct hose assembly format for these fitments.

Key Features

  • Aluminum and rubber construction for the suction and liquid line path
  • Integrated heat exchanger (IHX) style hose assembly
  • P-nut fitting and flange connection design
  • Includes gasket or seal, fittings, and service port
  • Configured for R134A and R1234YF refrigerant systems
  • Four Seasons part number 63177

Detailed Description

Four Seasons 63177 is an HVAC hose assembly designed for suction and liquid line service in select Cadillac XT5 and Chevrolet Blazer models. The assembly combines aluminum and rubber materials with an IHX-style layout to match the original routing and connection style used in the listed applications. Its included service port, gasket or seal, and fittings support a complete replacement of the hose assembly itself.

As a Four Seasons hose assembly, 63177 reflects the brand’s long experience in mobile air conditioning components and its focus on tested, application-specific replacement parts. For buyers searching for a Cadillac XT5 A/C suction and liquid line hose assembly or a Chevrolet Blazer HVAC hose assembly, this part number 63177 is the relevant reference for the listed refrigerant-equipped vehicles.

What It Is Used For

  • Replacing a leaking or damaged A/C suction and liquid line hose assembly
  • Restoring refrigerant flow in the HVAC circuit
  • Addressing connection issues at the P-nut fitting or flange ends
  • Correcting service port-related replacement needs
  • Servicing vehicles equipped for R134A or R1234YF refrigerant

Installation Notes

Verify refrigerant type, hose routing, and connection style before installation. This assembly is listed with a service port, gasket or seal, and fittings included, and it is specified without a bracket. Confirm the vehicle’s HVAC configuration matches the listed fitment before replacing the original hose assembly.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation. The brand also notes more than 50 years of mobile A/C experience behind this hose assembly, part number 63177.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2024CadillacXT52.0LL4w/ R1234yf; Hose Assembly
2024ChevroletBlazer2.0LL4w/ R1234yf; Hose Assembly
2023CadillacXT52.0LL4w/ R1234yf; Hose Assembly
2023ChevroletBlazer2.0LL4w/ R1234yf; Hose Assembly
2022CadillacXT52.0LL4w/ R1234yf; Hose Assembly
2022ChevroletBlazer2.0LL4w/ R1234yf; Hose Assembly
2021CadillacXT52.0LL4w/ R1234yf; Hose Assembly
2021ChevroletBlazer2.0LL4w/ R1234yf; Hose Assembly
2020CadillacXT52.0LL4w/ R1234yf; Hose Assembly
2020ChevroletBlazer2.0LL4w/ R1234yf; Hose Assembly
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 631778462936484731423847728348479056685005314HA114623C