- Fine-Wire Double Platinum features Platinum pad on both electrodes. Extended service intervals (on all except Nickel and Standard Copper Core plugs), Proprietary platinum pad on side wire electrode (on Platinum-Iridium and Fine-Wire Double Platinum plugs).
- Platinum-Iridium plugs feature Iridium-enhanced center electrode. Platinum-Iridium plugs can be used in any engine regardless of ignition system.
- High-Strength Steel High Thread spark plugs for 3-valve Triton engines redesigned
- New, high-strength steel shell, Nickel-plated shell for corrosion resistance, Scavenger area allows for more carbon build-up before misfires occur, Full ground strap helps for better heat transfer within the combustion chamber, Thicker insulator for better misfire prevention.
- Spark plugs are matched to the engine for optimum engine performance.
- Spark plug designs include continuous improvements, Resist oxidation and arc erosion, Multi-rib insulator protects against misfire, Nickel-plated shell for corrosion resistance (on all except Standard Copper Core), High-Strength Steel High Thread, Platinum-Iridium, and Fine-Wire Double-Platinum feature 0.8 mm fine-wire design.
- Spark plugs are tested to Ford specifications for performance and emissions. ;The only parts recommended by Ford Motor Company for Ford, Lincoln, and Mercury vehicles
Motorcraft SP-504 Spark Plug
- Designed to meet strict Ford engineering standards for functionality and durability. ;The spark plug-engine matched combinations are durability tested for long life, no misfires, reduced fuel consumption and optimum emissions
$6.45
67 in stock67 in stock
| Make | Model | Year |
|---|---|---|
| Ford | E-150 Club Wagon | 2003 |
| Ford | E-150 Econoline | 1998 - 2002 |
| Ford | E-150 Econoline Club Wagon | 1998 - 2002 |
| Ford | E-250 Econoline | 1998 - 2002 |
| Ford | Escort | 1987 - 2002 |
| Ford | EXP | 1987 - 1988 |
| Ford | F-150 | 1998 - 2008 |
| Ford | F-150 Heritage | 2004 |
| Ford | Focus | 2000 - 2004 |
| Ford | Thunderbird | 1989 - 1995 |
| Mercury | Cougar | 1989 - 1990 |
| Mercury | Lynx | 1987 |
| Mercury | Tracer | 1991 - 1999 |
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