Dorman 924-866 Ignition Lock Cylinder | Direct Replacement for Ford, Lincoln, Mercury

Overview

Upgrade the ignition experience with the Dorman 924-866 Ignition Lock Cylinder, a direct replacement designed to match the fit, function, and performance of the original equipment on select Ford, Lincoln, and Mercury models. This part is meant to help restore ignition lock function when the factory cylinder is worn or broken, providing a credible option for keeping your vehicle starting cleanly and consistently.

Compatibility spans a broad set of model years and trims, including popular Ford trucks and vans as well as classic Lincoln and Mercury passenger cars. The design focuses on a precise fit and reliable operation, ensuring the cylinder aligns with mounting points, key engagement, and rotation feel that you expect from the factory part.

Why choose this Dorman lock cylinder

• Direct replacement that mirrors the original assembly’s fit and operation
• Engineered to help restore lock cylinder functionality and ease of use
• Durable construction designed for regular ignition cycles and handling
• Backed by U.S.-based product experts and more than a century of automotive experience
• Garage tool compatibility: enter your make, model, and trim to confirm fit

Compatibility snapshot

• Ford: F-150, Bronco, Econoline/Van series (1980s–1991)
• Ford Granada and Pinto models (1980)
• Lincoln Versailles (1980)
• Mercury Bobcat and Monarch (1980)

Real-world use scenarios

In day-to-day driving, a dependable ignition cylinder can influence how smoothly you start the engine, especially after long periods of non-use or in chilly mornings. The cylinder is designed to provide a solid key engagement and rotation feel when you turn the key, which may help reduce intermittent starting issues and key resistance over time. While outcomes can vary by vehicle and driving conditions, many owners notice a more predictable ignition experience with a properly functioning cylinder.

• Possible improvement in starting reliability on compatible Ford, Lincoln, and Mercury builds
• Potential reduction in ignition sticking or wobble due to wear
• Confidence from a part supported by automotive experts and a long-standing brand

Before purchasing, use the garage tool to confirm fit for your exact trim. This step helps ensure you select a part that aligns with your vehicle’s ignition system and mounting points, reducing the guesswork of compatibility.