Motorcraft 7.3L Powerstroke Glow Plugs Set of 8 — OEM Fit for 1995–2003 (ZD-11/ZD30)

Genuine Motorcraft set of eight ZD-11 (now referenced as ZD30 / MC3Z12A342F) glow plugs engineered for 1995–2003 Ford 7.3L Powerstroke diesel engines.

These factory-fit glow plugs provide the fitment and electrical compatibility expected from OEM Motorcraft parts, designed specifically for the 7.3 liter Powerstroke used in Ford Super Duty trucks from 1995 through 2003. Sold as a complete set of eight, this kit replaces the original F4TZ-12A342-BA glow plugs and is cross-referenced to the updated ZD30/MC3Z12A342F part numbering. Whether you are restoring a diesel, maintaining a work truck, or stocking the shop, these glow plugs are supplied to match factory specifications for thread, hex size and electrical connection.

How do these Motorcraft glow plugs fit my 7.3L Powerstroke?

Motorcraft ZD-11 glow plugs are manufactured to the same dimensional and electrical standards as Ford original equipment, ensuring direct replacement without modification. They install into the stock cylinder head locations and work with the factory wiring and controller systems used in 1995–2003 models.

• Fits 7.3L Powerstroke engines in 1995–2003 Ford Super Duty trucks
• Direct OEM bolt-in replacement for F4TZ-12A342-BA
• Sold as a complete set of eight to service all cylinders
• Cross-referenced to updated part number ZD30 / MC3Z12A342F

What performance and durability features should I expect?

These glow plugs are built to withstand repeated heating cycles and under-hood conditions typical of diesel operation. As OEM-sourced components, they’re engineered for consistent electrical resistance and tip temperature to support reliable cold starts and reduced white smoke compared with worn plugs.

• Engineered for repeated high-temperature cycles and vibration resistance
• Consistent electrical resistance for predictable glow times
• OEM materials and tip design to match factory behavior
• Supplied as a set to ensure uniform performance across all cylinders

Can I install these glow plugs myself, and what should I prepare?

Experienced DIYers can replace glow plugs using common hand tools, but some installations require careful torqueing and access to recessed plugs. Before starting, disconnect the battery, allow the engine to cool, and have anti-seize, torque wrench, and replacement gaskets or washers ready if applicable.

• Disconnect battery and allow engine to cool before removal
• Use correct torque specifications and a torque wrench to avoid damage
• Inspect harness connectors and replace seals or grommets as needed
• Replace the full set of eight to maintain consistent starting behavior

How do I confirm I’m buying the correct Motorcraft part?

Verify vehicle year, engine displacement (7.3L), and Powerstroke designation before purchasing, and compare the old part number F4TZ-12A342-BA or its cross-reference ZD30 / MC3Z12A342F. When buying, insist on genuine Motorcraft branding and OEM packaging to ensure authenticity.

• Confirm vehicle: 1995–2003 Ford trucks with 7.3L Powerstroke
• Cross-check old part number F4TZ-12A342-BA and ZD30/MC3Z12A342F
• Look for genuine Motorcraft markings and OEM packaging details
• Purchase the full set of eight for a complete service job

Who is this for: Mechanics, fleet owners, restoration specialists and owner-operators who maintain 1995–2003 Ford trucks with the 7.3L Powerstroke will find this Motorcraft 8-piece glow plug set appropriate. It’s intended for anyone who needs a direct OEM replacement to restore reliable cold starting and preserve factory electrical and mechanical compatibility across all cylinders.