SsllZdq Vacuum Solenoid Valve & Check Valve Kit for Ford F-150 2015–2020, Expedition/Navigator 2018+ — Direct-Fit OEM Replacement

SsllZdq Vacuum Solenoid Valve and Check Valve Combo Kit restores proper vacuum control for Ford F150 (2015–2020), Ford Expedition (2018+), and Lincoln Navigator (2018+).

If your truck or SUV has a faulty vacuum solenoid or a leaky check valve affecting hub locking, cruise control vacuum circuits, or accessory vacuum lines, this SsllZdq replacement kit provides direct-fit components designed to match original equipment specifications. The set replaces manufacturer part numbers such as 7L1Z-9H465-B and FL3Z-3A788-B (and several cross-referenced numbers) and is built from durable plastics, metal and rubber to withstand engine-bay temperatures and typical road conditions.

How will this valve kit fit my vehicle?

This kit is produced to match OEM form, fit and function for specific Ford and Lincoln models so it installs without modification in most cases. Confirm compatibility by checking your vehicle year and the original part numbers before ordering.

• Compatible with Ford F-150 model years 2015 through 2020.
• Compatible with Ford Expedition and Lincoln Navigator from 2018 onward.
• Replaces factory numbers including 7L1Z-9H465-B, FL3Z-3A788-B and related cross-references.

What are the materials and quality features of these replacement valves?

The kit uses a mix of high-quality plastics, metal for the solenoid housing, and rubber sealing elements to provide reliable vacuum sealing and electrical reliability. Those materials are chosen for heat resistance and long service life in under-hood environments.

• Solenoid valve has metal and durable plastic construction for electrical and mechanical stability.
• Check valve components use resilient rubber seals to prevent vacuum leaks.
• Designed to resist heat and oil exposure commonly found near engine compartments.

How difficult is installation and what tools are needed?

Installation is intended to be straightforward because the kit follows original equipment dimensions. Most home mechanics can complete the swap with basic hand tools; no specialist tools or modifications are generally required.

• Direct-fit design aligns with the original vacuum ports and mounting points.
• Typical installation requires only basic wrenches, pliers and possibly a screwdriver.
• Inspect vacuum hoses for wear and replace any brittle lines during installation for best results.

Which parts and part numbers are included or replaced by this kit?

The kit covers both the vacuum solenoid and the vacuum check valve that appear in a number of Ford vacuum systems. It replaces several factory part numbers so you can match what was removed from your vehicle.

• Check valve cross-references: 926-390, FL3Z3A788B, FL34-7A788-AD and similar numbers.
• Solenoid valve cross-references: 7L1Z-9H465-B, 9L14-9H465-BA and other related codes.
• Sold as a combo kit to address multiple vacuum failure points in one service.

Who is this for: This SsllZdq vacuum solenoid and check valve combo kit is aimed at owners and technicians servicing Ford F-150s (2015–2020), Ford Expeditions (2018+), and Lincoln Navigators (2018+) who need a reliable, direct-replacement solution for vacuum-related issues. It's useful for those troubleshooting hub lock problems, vacuum-operated accessories, or performing preventative maintenance on vehicles with original components showing age-related wear.