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Part #: 5531

NGK 5531 Spark Plug

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Reliable Ignition with NGK Standard Spark Plug 5531

The NGK Standard Spark Plug 5531 is engineered to provide consistent ignition performance for a variety of vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

  • Resistance: 5000 ohms for optimal electrical performance
  • Ground Electrode Tip and Configuration: Standard design with a single ground electrode
  • Core Materials: Copper center electrode with nickel tip and nickel ground electrode core
  • Electrical Terminal Type: Stud for secure connection
  • Pre-Gap Size: 0.036 inches for precise spark gap
  • Hex Size: 18 mm for easy installation
  • Insulator Height: 50.00 mm ensuring proper insulation
  • Manufacturer Heat Range: 6 for balanced heat dissipation
  • Seat Type: Flat for proper sealing
  • Thread Diameter: 12.00 mm with 0.75 inch reach

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is designed to meet the requirements of everyday driving and standard engine configurations. This product line focuses on delivering reliable ignition with materials and designs that support consistent performance and durability. The 5531 spark plug is part of this line, offering a balance of quality and value for compatible vehicles.

Technical Details and Performance

The NGK 5531 spark plug features a copper core center electrode that enhances thermal conductivity and durability. The nickel tip on the center electrode and the nickel ground electrode core provide resistance to wear and corrosion. With a resistance rating of 5000 ohms, this spark plug helps reduce radio frequency interference while maintaining stable ignition. The pre-gap size of 0.036 inches ensures the spark gap is optimized for efficient combustion. Its flat seat type and 12 mm thread diameter with a 0.75 inch reach make it suitable for a range of engine designs requiring these specifications.

Common Applications and Problem Solving

  • Compatible with vehicles requiring a 12 mm thread diameter and flat seat spark plug
  • Addresses issues related to misfires caused by worn or damaged spark plugs
  • Helps improve engine starting reliability in cold or damp conditions
  • Reduces electrical interference with a 5000 ohm resistor
  • Supports consistent combustion for smoother engine operation

Installation Notes and Tips

When installing the NGK Standard Spark Plug 5531, ensure the spark plug gap is checked and adjusted if necessary to 0.036 inches. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the threads or improper sealing. The 18 mm hex size allows for standard spark plug socket compatibility. Confirm compatibility with your vehicle’s make and model before installation.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 5531 undergoes rigorous testing for heat range, resistance, and material integrity. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to support customer confidence.

BrandNGK
Part Number5531
Resistance5000
Ground Electrode Tip DesignStandard
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Electrical Terminal TypeStud
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Pre-Gap Size.036
Ground Electrode Quantity1
Hex Size18
Insulator Height50.00
Manufacturer Heat Range6
Seat TypeFlat
Reach.75
Thread Diameter12.00
Part NumberDpr6ea-9
Stock Number5531

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

33-827858Q4125553181092070-113894700-0037594701-0037594703-0037598069-56916RA8HCX20EPR-U9

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.