Description
The Motorcraft Spark Plug SP-504 is engineered to deliver dependable ignition performance, durability, and proper OEM-style fitment across a range of Ford and Mercury gasoline engine applications. Designed with a nickel center electrode core, platinum center electrode tip, and nickel ground electrode tip, this spark plug helps support long-term wear resistance, consistent spark delivery, and stable engine operation.
Built to Motorcraft standards, the SP-504 is designed to help reduce misfires, support fuel efficiency, and maintain reliable combustion performance in both passenger vehicle and light truck applications. Its precision construction makes it a practical replacement spark plug for maintaining proper ignition performance in compatible engines.
Features
- Motorcraft spark plug part number SP-504
- Platinum center electrode tip for enhanced durability
- Nickel center electrode core for dependable conductivity
- Nickel ground electrode tip for reliable performance
- Designed for OEM-style fit and function
- Helps support consistent spark delivery and stable combustion
- Built for dependable ignition performance across compatible gasoline applications
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Center Electrode Core Material: Nickel
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Center Electrode Tip Material: Platinum
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Ground Electrode Tip Material: Nickel
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Hex Size: 0.63
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Insulator Height: 2.03
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Brand: Motorcraft
Fitment
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Ford E-150: 2003 – V6 4.2L
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Ford E-150 Club Wagon: 2003 – V6 4.2L
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Ford E-150 Econoline: 1998–2002 – V6 4.2L
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Ford E-150 Econoline Club Wagon: 1998–2002 – V6 4.2L
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Ford E-250 Econoline: 1998–2002 – V6 4.2L
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Ford EXP: 1987–1988 – L4 1.9L TBI
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Ford Escort: 1987–1990 – L4 1.9L TBI; 1991–1996 – L4 1.9L; 1997–2002 – SOHC L4 2.0L
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Ford F-150: 1998–2008 – V6 4.2L
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Ford F-150 Heritage: 2004 – V6 4.2L
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Ford Focus: 2000–2004 – SOHC L4 2.0L
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Ford Thunderbird: 1989–1995 – Supercharged V6 3.8L / Super Coupe V6 3.8L
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Mercury Cougar: 1989–1990 – Supercharged V6 3.8L / V6 3.8L
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Mercury Lynx: 1987 – L4 1.9L TBI
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Mercury Tracer: 1991–1996 – L4 1.9L; 1997–1999 – L4 2.0L