Dorman Ignition Lock Cylinder Housing for Ford/Mazda/Mercury 2008–2011 — OE FIX thicker cam, pre-lubed

Dorman 989-019 is a direct-replacement ignition lock cylinder housing engineered to fix the common cam failure in select Ford, Mazda, and Mercury steering columns. Many owners of 2008–2011 Ford Escape, Focus, Mazda Tribute and Mercury Mariner vehicles experience a jammed steering column or an ignition switch that won’t turn due to a weak internal cam in the original housing. This Dorman OE FIX housing addresses that design weakness with a thicker, more rigid internal cam, and it ships ready for installation with a new shear bolt and lubrication applied. Read on for exact fitment notes, durability features, installation points, and whether this part matches your vehicle needs.

How does this Dorman part improve durability compared with the original?

The most common cause of failure in these OEM housings is a thin internal cam that can deform or break over time under repeated use. Dorman redesigned the cam to be thicker and more rigid to resist wear and reduce the chance of the lock jamming. Materials and assembly were tested to ensure the update addresses the known fault without changing how the ignition assembly operates.

• Thicker internal cam for increased strength and longevity
• Aluminum and reinforced plastic construction for stable fit
• Silicone grease applied to reduce friction and initial break-in wear
• Quality-controlled manufacturing with vehicle try-on testing

Will this housing fit my vehicle and what years are supported?

This part is made for specific model-year ranges and trims; fitment depends on your exact vehicle configuration. Supported models include select Ford Escape and Focus years, Mazda Tribute, and Mercury Mariner within the listed years. Use the vehicle garage tool on the product page to confirm trim-level compatibility before purchase to avoid returns.

• Ford Escape: 2008, 2009, 2010
• Ford Focus: 2009, 2010, 2011
• Mazda Tribute: 2008–2011
• Mercury Mariner: 2008–2010

What comes in the box and what must I prepare for installation?

The Dorman 989-019 ships as a complete ignition lock cylinder housing assembly with a new shear bolt included, reducing the need to source additional hardware. Basic hand tools and standard steering column access steps are typically all that’s required, but professional installation is recommended if you’re unsure about column disassembly. Follow vehicle-specific service procedures to avoid damaging wiring or airbag components.

• Complete ignition lock cylinder housing assembly
• New shear bolt included for proper installation
• Silicone grease pre-applied for smoother initial operation
• Vehicle try-on tested to confirm assembly fit and function

How do I know this is a reliable replacement and not a temporary fix?

Dorman markets this as an OE FIX solution that corrects an identified design weakness rather than merely duplicating the original part. The thicker cam and material choices are intended to extend service life compared with the original housings that failed prematurely. Dorman also performs material testing and vehicle try-on checks to validate assembly durability under typical use conditions.

• OE FIX approach targets the original design flaw
• Material and assembly testing to help ensure longevity
• Pre-lubricated components reduce initial wear-in issues
• Includes replacement shear bolt to match factory install method

Who is this for? If you own a compatible 2008–2011 Ford Escape, Focus, Mazda Tribute, or Mercury Mariner and are experiencing a sticking or non-turning ignition, this Dorman 989-019 housing is made to replace the faulty OEM unit with a more robust cam design. It’s suitable for technicians and experienced DIYers comfortable with steering column work, and for anyone seeking a direct-fit replacement that corrects a known manufacturing weakness. Always confirm exact fitment using your vehicle’s make, model and trim before ordering.

FAQ

Q: Does this part include the shear bolt needed for installation?

A: Yes. The Dorman 989-019 includes a new shear bolt so you have the required hardware for installation.

Q: Will this housing fix a steering column that’s stuck or won’t turn?

A: This replacement addresses the common weak cam failure that causes jamming, but confirm fitment and follow proper installation to restore operation.