Spark Plugs Ford OEM SP-546 IRIDIUM PZK14F

4-Pack SP-546 Iridium Spark Plugs (PZK14F) – Compatible with Ford OEM

Keep your engine running at peak performance with this 4-pack of SP-546 Iridium Spark Plugs, equivalent to Ford OEM part PZK14F. Designed for long-lasting durability and reliable ignition, these plugs deliver excellent combustion efficiency and smoother engine starts. Perfect for Ford owners seeking a high-quality, cost-effective replacement option.

Key Features:

• Direct replacement for OEM part number: PZK14F / SP-546

• Iridium-tipped center electrode for enhanced durability and performance

• Provides consistent spark for better fuel economy and reduced emissions

• Ideal for Ford cars, trucks, and SUVs—check your manual for compatibility

• 4 spark plugs included, brand new, unbranded manufacturer

• Easy installation—fits like the original equipment

Whether you're performing routine maintenance or solving misfire issues, these spark plugs deliver OEM-level quality without the dealership markup.

Fit for:

FORD EXPEDITION 2005-2008 5.4L V8

FORD F-150 2004-2008 5.4L V8

FORD F-250 SUPER DUTY 2005-2008 5.4L V8 and 6.8L V10

FORD F-350 SUPER DUTY 2005-2008 5.4L V8 and 6.8L V10

FORD F-450 SUPER DUTY 2005-2010 6.8L V10

FORD F-550 SUPER DUTY 2005-2010 6.8L V10

FORD F53 2006-2008 6.8L V10

LINCOLN MARK LT 2006-2008 5.4L V8

LINCOLN NAVIGATOR 2005-2008 5.4L V8

Specifications: