ZAPOSTS Driver Power Window Master Switch for Ford F250-F550, Escape/Focus/Mariner — Black, 5+6 Pin OEM Fit

High-quality ZAPOSTS driver-side power window master switch engineered to replace OE 8L8Z-14529-AC (and compatible numbers) for select Ford Super Duty trucks, Escape, Focus and Mercury Mariner models.

If your driver-side window controls, door lock button or auto window function have become unreliable, this ZAPOSTS replacement master switch restores control with a direct plug-and-play fit. Built from durable ABS plastic with metal pin connectors, the unit matches the original 5+6 pin terminal layout and comes with a small plastic pry tool to simplify removal and installation.

Will this switch fit my specific Ford or Mercury model?

Check your vehicle’s original part number and model year to confirm compatibility before ordering. This switch replaces several OE numbers and fits a defined list of model years; matching the OE number is the best way to avoid purchasing the wrong part.

• Compatible OE/replace numbers: 8L8Z-14529-AA, 8L8Z-14529-AC, DWS701, 901-210.
• Fitment includes: Ford Escape (2008–2012), Focus (2008–2011), Mercury Mariner (2008–2011).
• Also fits Ford Super Duty: F250, F350, F450, F550 (2011–2012).
• Confirm the 5+6 pins terminal connector matches your original switch.

How straightforward is installation and what tools are needed?

Installation is designed to be simple and largely tool-free for anyone comfortable removing interior trim. The switch is a direct plug-and-play replacement: unplug the old connector, swap the switch, and plug the harness back in. A small plastic pry board is included to help lift the trim without scratching surfaces.

• Includes 1 x small plastic pry board for safe trim removal.
• No soldering or wiring changes required—uses original 5+6 pins connector layout.
• Typical install time: 10–30 minutes depending on door panel complexity.
• Recommended: basic screwdriver set for panel fasteners if present.

What features and functions does this master switch provide?

The ZAPOSTS master switch restores primary driver-side controls including window auto-up/down and door lock/unlock functions. Constructed from durable ABS and metal contacts, it replicates the look and tactile feel of the factory part while ensuring reliable electrical connections.

• Button functions: door lock/unlock and auto window control (AUTO:1).
• Materials: ABS plastic body with metal pin terminals for long-term conductivity.
• Color: black to match factory interiors.
• Position: front left (driver side) master control switch.

How can I be sure I’m ordering the correct replacement?

Before purchasing, visually compare your current switch to the product pictures and verify the OE number stamped on your original part. Matching the connector pin count (5+6 pins) and the listed OE replacements reduces the chance of wrong-fit returns.

• Confirm OE numbers: 8L8Z-14529-AA / 8L8Z-14529-AC / DWS701 / 901-210.
• Verify connector: two-part terminal layout totaling five + six pins.
• Compare mounting shape and button arrangement with product photos.
• Contact seller with clear photos if unsure before ordering.

Who this is for: This ZAPOSTS driver-side master switch is aimed at owners and technicians who need a cost-effective, OEM-style replacement for failing window and lock controls on compatible Ford and Mercury vehicles. It suits DIY installers who prefer a plug-and-play swap and fleet operators or repair shops seeking a dependable aftermarket option that matches factory fitment and function.