Motorcraft Iridium Spark Plug - SP550X
- Part #
- SP550X
- Line:
- MOT
Product Information
- Warranty: 2 Year LIMITED WARRANTY
- Unit of Measure: Each
- UPC: # 31508776838
- Seat: Tapered
- Thread Size: 14mm
- Heat Range: 6
- Hex Size (mm): 16mm
- Hex Size (in): 5/8 Inch
- Preset Gap (in): 0.031 Inch
- Preset Gap (mm): 0.8mm
- Thread Reach (in): 0.984 Inch
- Resistor Plug: Yes
- Ribbed Core Nose: Yes
- Number Of Ground Electrodes: 1
- Center Electrode Core Material: Copper
- Center Electrode Tip Material: Iridium
- Approximate Resistor Value (Ohm): 2000 To 9000 Ohm
- Insulator Height (mm): 3.5mm
- Insulator Height (in): 0.138 Inch
- Ground Electrode Tip Material: Platinum
- Thread Reach (mm): 25mm
- Center Electrode Design: Standard
- Material Grade: Iridium
- Short Style Spark Plug: No
Applications for this Product
- Select a vehicle to see vehicle applications.
Detailed Description
Spark Plug;
Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
- Delivering performance, reliability and confidence, Motorcraft spark plugs are available for a broad range of applications, including domestic and import cars and trucks of all makes and sizes. Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
- Standard Copper Core Spark Plug Tested to Ford specifications for performance and emissions.
- Resistant to oxidation and arc erosion.
- Multi-rib insulator protects against misfire.
- Service interval of up to 60,000 miles.
- Nickel-Alloy Spark Plug Feature electrodes engineered for extended life without platinum enhancements.
- Nickel-plated shell for corrosion resistance.
- Non-Extended-Tip Spark Plug Used in most older-model car engines and some current-model truck engines.
- Commercial and small engine applications.
- Extended-Tip Spark Plug Fits most automotive as well as many specialty applications.
- Used in most modern engines.
- Helps prevent fouling at low speeds.
- Provides self-cleaning action at higher speeds.
- Extra-Extended-Tip Spark Plug Used in certain specially designed engines.
- Projects farther into combustion chamber to achieve optimum spark location.
- Platinum-Tip Spark Plug Used for conventional distributor-equipped and coil-on-plug ignition systems found in many Ford, Lincoln, and Mercury vehicles.
- High melting point provides excellent resistance to erosion.
- Provides service intervals from 60,000 to 100,000 miles.
Brand Information
Designed, engineered and recommended by Ford Motor Company. The name says quality, dependability and performance. Motorcraft(R) parts are the preferred choice of Ford Motor Company. From motor oil to transmission assemblies and everything in between, Motorcraft(R) parts provide exceptional quality and fit. You expect the best, and with Motorcraft(R), you get the best. The right part for the job. Motorcraft(R) parts are designed specifically for Ford, Lincoln and Mercury vehicles and have undergone extensive laboratory and on-the-road testing. They're built to maximize the performance of Ford, Lincoln and Mercury vehicles. And the comprehensive product line provides unmatched coverage. Whatever part you need for the job, Motorcraft(R) has it.