Four Seasons 55743 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55743

The Four Seasons Hose Assembly 55743 is designed for reliable HVAC performance in select Chevrolet and GMC vehicles. This A/C refrigerant discharge and suction hose assembly is engineered to meet original equipment specifications, ensuring proper fit and function for your vehicle's air conditioning system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes green O-rings for secure sealing
• Features female o-ring discharge and suction end styles
• Designed without switch service port, fittings, bracket, or muffler
• Manifold included for system integration
• OE replacement part for Chevrolet and GMC Suburban and Blazer models

Detailed Product Description

The Four Seasons Hose Assembly 55743 belongs to the Hose Assembly product line, which focuses on delivering precise HVAC hose and pipe solutions for vehicle air conditioning systems. This assembly combines aluminum and rubber components to provide durability and flexibility, essential for maintaining refrigerant flow and system integrity. It is specifically designed for use with R134a refrigerant, the standard for many modern A/C systems.

This hose assembly includes multiple green O-rings ([24612], [24608], and [24610]) to ensure leak-free connections at both the discharge and suction ends, which feature female o-ring styles. The part does not include fittings, brackets, mufflers, or service ports, making it a direct OE replacement that integrates seamlessly with existing system components. The inclusion of a manifold supports proper refrigerant distribution within the HVAC system.

Compatible Vehicles and Applications

This hose assembly is compatible with a range of Chevrolet and GMC models, including:

• Chevrolet Blazer
• GMC Jimmy
• Chevrolet and GMC R10, R20, R1500, R2500, V10, V20, V1500, and V2500 Suburban models

It is designed to replace the original discharge and suction lines in these vehicles, ensuring proper refrigerant flow and system performance.

Common Issues Addressed by This Hose Assembly

• Leaking refrigerant due to worn or damaged hoses
• Reduced A/C cooling efficiency from compromised discharge or suction lines
• System contamination caused by failed seals or O-rings
• Replacement of corroded or cracked aluminum/rubber hose components
• Restoring proper refrigerant flow in R134a-equipped HVAC systems

Installation Notes and Tips

• Ensure all old refrigerant is properly evacuated before removal
• Inspect and replace all O-rings included with the assembly to prevent leaks
• Verify compatibility with your specific Chevrolet or GMC model year
• Use proper torque specifications when securing fittings to avoid damage
• Check for any additional system components that may require replacement during installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55743 is manufactured to meet or exceed original equipment standards, providing reliable performance for your vehicle's HVAC system. This part is an OE 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. Consult product documentation or the manufacturer for exact warranty terms.