Description
The Motorcraft SP-492 Spark Plug is a premium iridium spark plug engineered for reliable ignition performance, long service life, and OEM-level durability. Designed for applications that require precise spark delivery and consistent combustion, this plug uses a copper core center electrode, iridium center electrode tip, and platinum ground electrode tip to support efficient firing performance and long-term wear resistance.
Built to Motorcraft standards, the SP-492 is well suited for select Ford, Jaguar, Mazda, and Aston Martin applications where dependable ignition performance and proper fitment are critical. Its advanced electrode materials help support consistent engine operation, improved durability, and reliable service in both conventional gasoline and hybrid gasoline engine applications.
This spark plug is an ideal OEM replacement choice for maintaining ignition efficiency, dependable starts, and long-term engine performance.
Features
- Motorcraft spark plug part number SP-492
- Iridium center electrode tip for long-life performance
- Platinum ground electrode tip for enhanced durability
- Copper core center electrode for efficient conductivity
- Designed for reliable ignition performance and consistent combustion
- Supports long service life in properly specified applications
- OEM-style replacement for select Ford, Jaguar, Mazda, and Aston Martin vehicles
- Engine-specific design for proper fit and function
-
Center Electrode Core Material: Copper
-
Center Electrode Tip Material: Iridium
-
Ground Electrode Tip Material: Platinum
-
Hex Size: 0.63
-
Insulator Height: 2.32
-
Brand: Motorcraft
Fitment
-
Aston Martin DB7: 2000
-
Aston Martin Vanquish: 2002–2006
-
Ford Escape: 2005 – Full Hybrid EV-Gas (FHEV) L4 2.3L
-
Ford Focus: 2003–2004 – L4 2.3L Z
-
Jaguar X-Type: 2002–2005
-
Mazda 3: 2004–2005
-
Mazda B4000: 1997–2000
