Four Seasons 74896 HVAC Heater Control Valve - Rear

BMW Heater Valve Replacement

Restore proper cabin temperature control with the Four Seasons 74896 HVAC heater control valve. This electric, non-bypass heater valve uses a multiple solenoid design and OE replacement construction for BMW climate control systems that rely on precise coolant flow management.

Built with thermoplastic and steel materials, this heater valve features three hose connectors, three ports, and three female terminals. It uses 0.750 in. openings on both ends and is specified as an OE replacement for select BMW X5, X6, X3, X4, and X1 applications.

Key Features

• Four Seasons Heater Valve line for HVAC temperature control service
• Part number 74896
• Electric valve operation with multiple solenoid control
• Non-bypass style for direct heater circuit flow control
• 3 hose connectors, 3 ports, and 3 female terminals
• 0.750 in. fitting size on end 1 and end 2
• Thermoplastic / steel construction
• OE replacement design for factory-style fit and function

Product Details

The Four Seasons Heater Valve brand line focuses on HVAC temperature control components that regulate coolant flow through the heater circuit. This 74896 heater valve is an electric, non-bypass unit designed to match OE-style operation in BMW climate systems, including applications with rear AC and four-zone climate control. It is a direct-fit replacement for select BMW X5 and BMW X6 models, along with specific BMW X3, X4, and X1 applications.

This part cross-references Gates EHV102 for the same application.

Common Problems This Part Can Address

• Inconsistent cabin heat output
• Heat stuck on or unable to shut off
• Uneven temperature control between climate zones
• Coolant flow issues through the heater circuit
• Faults related to an electric heater control valve

Installation Notes and Tips

• Verify the vehicle’s HVAC configuration before ordering, especially rear AC or four-zone climate control setups.
• Match the 0.750 in. hose openings and 3-port layout to the original valve.
• Inspect hoses, clamps, and electrical connectors during replacement.
• Mounting hardware is not included.
• Follow BMW service procedures for coolant draining, bleeding, and electrical connection checks.

Quality Assurance

Four Seasons 74896 is an OE replacement HVAC heater control valve built to meet the fitment and functional requirements of the listed BMW applications. It is engineered for direct replacement service in BMW X5, BMW X6, BMW X3, BMW X4, and BMW X1 heater valve applications.

Compatible With: Fits 2004-2018 BMW X5, N/A; Fits 2007-2009 BMW X5, Rear; Fits 2010-2019 BMW X6, N/A; Fits 2013-2015 BMW X6, N/A; Fits 2017 BMW X3, N/A; Fits 2010 BMW X3, N/A; Fits 2017 BMW X4, N/A; Fits 2010 BMW X1, N/A.