8 PC Motorcraft ZD-11 F4TZ-12A342-BA Glow Plugs 1995-2003 Ford 7.3L

In this review the focus is on the set of eight Motorcraft ZD-11 F4TZ-12A342-BA glow plugs for the 7.3L Powerstroke. The bottom line: these are genuine OEM glow plugs that deliver reliable cold-weather starting and a correct fit for Ford 7.3L Super Duty engines, making them a practical replacement for owners who prioritize authenticity and straightforward installation. The biggest reason to buy is authenticity - the parts are branded Motorcraft and many owners report immediate, first-crank starts when the plugs are functioning.

Key Features

• Genuine OEM quality: These are Motorcraft glow plugs supplied as a set of eight, providing the original equipment fit and finish expected for the 7.3L Powerstroke.
• Cold-weather performance: Customers report consistent starting in cold conditions, with the plugs heating quickly to improve first-crank reliability.
• Complete set: Sold as one set of eight, so owners replace all cylinders at once and avoid mismatched performance across the bank.
• Easy installation: The plugs are reported to fit properly and install without modification, reducing time in the garage.
• OEM continuity: The listing notes the part progression from ZD-11 to ZD30, helping buyers confirm modern equivalents for compatibility.

Who It's For

This set is aimed at owners of 1995-2003 Ford trucks equipped with the 7.3L Powerstroke diesel who want factory-correct replacements and dependable cold starts. It suits DIY mechanics and professional technicians who prefer OEM-branded parts for service and resale consistency.

Those who should look elsewhere are owners seeking heavy-duty performance upgrades or extended-lifetime aftermarket glow plugs; some users reported mixed durability, so if maximum longevity beyond OEM expectations is required, consider high-end specialty alternatives.

Pros & Cons

Pros

• Genuine Motorcraft parts provide correct fit and OEM compatibility for the 7.3L Powerstroke.
• Reported to improve cold-weather starting and often result in first-crank starts.
• Sold as a full set of eight for consistent performance across all cylinders and straightforward replacement.
• Easy to install, with customers noting good fit and quick swap times.

Cons

• Some users reported mixed durability, with a small number of plugs failing prematurely; longevity may vary by usage and installation.

Specifications

Our Verdict

These Motorcraft ZD-11 glow plugs are the sensible OEM replacement for most 7.3L Powerstroke owners: they fit correctly, install easily, and restore reliable cold starts, making them good value for routine maintenance. If long-term durability under extreme duty is your top priority, evaluate heavy-duty aftermarket options, but for factory-fit replacement this set is hard to beat.

Frequently Asked Questions

Will these fit my 7.3L truck?
They are listed for 1995-2003 Ford 7.3L Powerstroke engines; verify engine, drivetrain, and trim level before purchase.

How many glow plugs are included?
The product is sold as one complete set of eight glow plugs, enough for all cylinders on a 7.3L engine.

Are these genuine Motorcraft parts?
Yes, customers report these as genuine Motorcraft glow plugs and the listing indicates OEM continuity from ZD-11 to ZD30.