Four Seasons 66987 A/C Suction and Liquid Line Hose Assembly

BMW A/C Hose Assembly for R134a Systems

Four Seasons 66987 is an A/C suction and liquid line hose assembly built for BMW models equipped with R134a refrigerant. It combines aluminum and rubber construction with an integrated heat exchanger style layout to support proper refrigerant flow in the HVAC system.

Compatible with select BMW 230i, 330i, 340i, 430i, 440i, and M240i applications, this hose assembly is a direct-fit service part for vehicles that use the listed fittings and service port configuration. Four Seasons 66987 is engineered for consistent operation in mobile air conditioning systems.

Key Features

• Part number: 66987
• Type: suction and liquid line hose assembly
• Style: hose assembly with IHX
• Material: aluminum / rubber
• Refrigerant type: R134A
• End 1: P-nut fitting
• End 2: flange
• Service port included
• Switch service port: yes
• Gasket or seal included
• Fittings included
• Without bracket

Product Details

Four Seasons Hose Assembly line focuses on mobile A/C replacement parts engineered and tested for dependable service. This 66987 hose assembly is built for BMW HVAC systems that require an aluminum/rubber suction and liquid line with an integrated heat exchanger configuration, making it a practical replacement for worn, leaking, or damaged refrigerant lines. This part cross-references A83667 for the same application.

Common Problems This Part Can Address

• Refrigerant loss from a cracked or leaking A/C hose
• Reduced cooling performance from restricted suction or liquid line flow
• Service port damage or leakage at the connection point
• Seal failure at hose-to-component interfaces
• HVAC system downtime caused by a failed line assembly

Installation Notes and Tips

Verify the vehicle’s refrigerant type, fitting style, and service port configuration before installation. This hose assembly is listed for R134A systems and uses a P-nut fitting on one end and a flange on the other. Replace the included gasket or seal during service, and evacuate and recharge the system according to BMW HVAC procedures after installation.

Fits 2023 BMW M240i, N/A; 2017-2021 BMW M240i, N/A; 2017-2023 BMW M240i xDrive, N/A; 2017-2022 BMW 230i, N/A; 2017-2021 BMW 230i xDrive, N/A; 2017-2020 BMW 430i, N/A; 2017-2020 BMW 430i Gran Coupe, N/A; 2017-2020 BMW 430i xDrive, N/A; 2017-2020 BMW 430i xDrive Gran Coupe, N/A; 2017-2020 BMW 440i, N/A; 2017-2020 BMW 440i Gran Coupe, N/A; 2017-2020 BMW 440i xDrive, N/A; 2017-2020 BMW 440i xDrive Gran Coupe, N/A; 2017-2019 BMW 330i, N/A; 2017-2019 BMW 330i GT xDrive, N/A; 2017-2019 BMW 330i xDrive, N/A; 2017-2019 BMW 340i GT xDrive, N/A; 2016-2018 BMW 340i, N/A; 2016-2018 BMW 340i xDrive, N/A.

Quality Assurance

Four Seasons backs this hose assembly with more than 50 years of mobile A/C experience and states that its products are engineered and tested for years of trouble-free operation. For BMW 230i, 330i, 340i, 430i, 440i, and M240i service, Four Seasons 66987 is built to support a proper repair the first time.