TQPONLY Door Latch Assembly Front Right Passenger Side — Direct-Fit Replacement with 1-Year Warranty

The TQPONLY front right (passenger) door lock latch assembly is a direct-fit replacement designed to restore secure door operation on compatible Ford F-Series and Lincoln Mark LT trucks from 1999–2008.

If your passenger-side door sticks, won’t latch, or the lock feels loose, replacing the latch assembly is a common, effective fix. This TQPONLY unit is made from metal and durable plastics to meet original fitment and function, replaces factory part numbers 6C3Z-2521812-A and F81Z-2521812-AA, and includes a one-year warranty for peace of mind. The part ships as a single front right side latch and is intended for specific model years and cab types listed below—please verify fitment before ordering.

Which vehicles will this latch assembly fit?

This latch is compatible with a range of F-Series Super Duty trucks and select Ford F-150 and Lincoln models within the listed years. Fitment depends on model year and cab configuration, so confirming your vehicle’s details ensures a correct match.

• 2005–2008 Ford F-150 (Crew Cab only)
• 1999–2008 Ford F-250, F-350, F-450, F-550 Super Duty
• 2000–2003 Ford F-650 and F-750
• 2000–2005 Ford Excursion
• 2006–2008 Lincoln Mark LT (Regular & Extended Cab only)

How does this replacement restore door performance?

The latch assembly replaces worn internal components and worn mounting surfaces that cause misalignment, loose latching, or incomplete closures. Once installed, it re-establishes the mechanical engagement between the door and striker for reliable locking and opening.

• Direct-replacement design follows original OEM mounting points and linkages
• Durable metal and reinforced plastic for longer service life
• Replaces listed factory part numbers to match original spec
• Supplies single passenger-side (front right) latch assembly

What should I expect during installation?

Installation is straightforward for anyone comfortable removing an inner door panel, disconnecting linkages, and swapping the latch. Basic hand tools and a modest familiarity with door hardware are normally sufficient; professional installation is optional if you prefer.

• Remove door trim and disconnect electrical connectors if present
• Unbolt the old latch, detach rods and linkages, and fit the new assembly
• Test latch engagement and lock/unlock function before reassembling panel
• Follow vehicle service manual torque specs for mounting fasteners

What does the warranty cover and how do I get support?

TQPONLY includes a one-year warranty covering manufacturing defects and component failures under normal use. If you encounter an issue, contact the seller by email for assistance; typical response times are within 24 hours.

• One-year limited warranty from purchase date
• Email support for fitment or product questions
• Replacement or guidance provided for verified defects
• Keep proof of purchase and vehicle fitment details handy when contacting support

Who is this for: This door latch assembly is intended for owners, mechanics, and fleet managers who need a reliable, OEM-replacement passenger-side latch for specified Ford F-Series trucks and Lincoln Mark LT models. Choose this part if you want a direct-fit replacement that restores consistent door closure and locking without extensive modifications; confirm year and cab type before purchase to ensure proper fitment.