Heater Control Valve XR840091 For Ford Thunderbird For Lincoln For Jaguar

Heater Control Valve for Ford Lincoln Jaguar

This heater control valve for Ford, Lincoln, and Jaguar vehicles regulates the flow of hot engine coolant into the heater core, referencing OEM part number XR840091.

Overview

This heater control valve restores complete control over the vehicle cabin temperature by managing hot coolant circulation. Designed for mechanics and vehicle owners fixing climate control issues, this heater control valve features durable solenoids that respond reliably to control panel inputs. It prevents heat from leaking into the cabin when the air conditioning is running.

Built For Performance

• Electromagnetic solenoids provide rapid and precise valve actuation.
• Durable composite housing resists thermal cracking and coolant leaks.
• Factory-correct electrical connection pins ensure plug-and-play installation.
• Internal seals prevent coolant from bypassing the valve when closed.

Fits These Machines

• for Ford Thunderbird
• for Lincoln LS
• for Jaguar S-Type

On-The-Job Use

• Fixing heating systems that only blow cold air.
• Preventing hot air from blowing when the air conditioning system is active.
• Stopping slow coolant leaks from a cracked factory valve body.

Specs At A Glance

Good To Know

Q: Can a bad heater control valve cause the engine to overheat? A: While a faulty valve mostly affects cabin temperature, a physical leak from the valve body can lead to low coolant levels and subsequent engine overheating.

Q: Is this an electric or vacuum-operated valve? A: This is an electronically actuated solenoid valve operated by the vehicle’s central climate control system.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.