Nissens 840043 A/C Refrigerant Discharge Hose

Nissens A/C Discharge Hose for Honda Civic

The Nissens 840043 A/C refrigerant discharge hose is built for Honda Civic applications that need reliable refrigerant and lubricant transfer between air conditioning components. It is a direct-fit style hose assembly for USA and Canada built Civic models, with sealing components included for a cleaner service replacement.

Key Features

• Fits 2016 Honda Civic, discharge line
• Fits 2017-2018 Honda Civic, USA & Canada built
• Fits 2019-2020 Honda Civic, USA and Canada built
• Fits 2021 Honda Civic, USA & Canada built
• Refrigerant type: R134A/R1234YF
• P-nut fitting on both discharge and suction ends
• Gasket or seal included
• OE-spec hose assembly for proper refrigerant and lubricant flow

Detailed Description

Nissens part number 840043 is an A/C refrigerant discharge hose assembly for the Honda Civic. It is engineered to meet or exceed OE specifications so the air conditioning system can maintain correct flow between components. This hose uses P-nut fittings at both ends and is specified for R134A and R1234YF refrigerant systems, making it a practical replacement for late-model Civic A/C service.

This part cross-references Honda OE numbers 80315TBCA01 and 80315TBCA02 for the same application. If you are replacing a leaking or damaged Honda Civic A/C discharge hose, Nissens 840043 provides a direct replacement path for the listed USA and Canada built vehicles.

Common Repair Uses

• Replaces a leaking A/C discharge line
• Restores refrigerant flow after hose cracking or wear
• Addresses loss of cooling caused by damaged hose connections
• Supports repair of seal-related refrigerant leaks
• Helps correct A/C performance issues tied to restricted discharge flow

Installation Notes

Verify the vehicle build region and model year before ordering, since fitment is limited to the listed Honda Civic applications. Inspect mating surfaces and replace worn seals during installation; a gasket or seal is included with this hose assembly. Confirm the refrigerant type in the vehicle system before service, and evacuate and recharge the A/C system according to proper repair procedures after installation.

Quality Assurance

Nissens designs its A/C hose assemblies to OE-level specifications for fit and function. Part number 840043 is built for the listed Honda Civic applications and is intended to maintain proper refrigerant and lubricant transfer within the air conditioning system.