Vacuum Reservoir Tube F81Z-7A784-BB For Ford F-250 F-350 Super Duty 1999-2007

Vacuum Reservoir Tube for Ford

This aftermarket vacuum reservoir tube connects the vacuum reservoir to the vacuum system, restoring proper HVAC vent selection and hub locking functions, replacing part number F81Z-7A784-BB.

Overview

This replacement vacuum reservoir tube restores the vacuum connection essential for four-wheel-drive engagement and climate control functions. Made to match the original routing, this vacuum reservoir tube ensures consistent vacuum pressure throughout the system. It is an essential component for truck owners experiencing failing vent controls or locked-hub issues due to a cracked vacuum reservoir tube.

Built For Performance

• Manufactured from durable plastic to resist cracking and heat degradation.
• Pre-bent to match factory routing for a direct-fit installation.
• Designed to withstand constant vacuum pressure without collapsing.
• Fitted with secure connectors to prevent vacuum leaks at attachment points.

Fits These Machines

• for Ford F-250 Super Duty 1999-2007
• for Ford F-350 Super Duty 1999-2007

On-The-Job Use

• Replacing brittle or cracked vacuum lines in the engine bay.
• Restoring function to 4WD automatic locking hubs.
• Fixing stuck climate control vents that only blow through the defrost position.

Specs At A Glance

Good To Know

Q: What are common signs of a failing vacuum tube? A: Common indicators include climate controls stuck on defrost and a failure of the automatic 4WD hubs to engage.

Q: Does this tube require special tools to install? A: No, it features push-to-connect ends that slide onto the factory reservoir and pump fittings without special tools.

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