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Marine & Outboard Spark Plugs

NGK Nickel Spark Plug DR7EB (5469)

SKU: GB-DR7EB

$8.80
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The NGK DR7EB (Stock No. 5469) is a standard resistor spark plug used in selected Honda BF40 and BF50 four-stroke outboards. Featuring a nickel centre electrode with copper core, flat gasket seat and built-in resistor, it provides reliable ignition and effective heat transfer. The DR7EB has an M12 × 1.25 thread, 19 mm reach, 18 mm hex and 0.7 mm gap.

Key benefits

Key Benefits

  • - Standard NGK resistor spark plug
  • - Confirmed marine application for selected Honda four-stroke outboards
  • - Nickel centre electrode with copper core
  • - Built-in resistor for electrical-noise suppression
  • - M12 × 1.25 thread
  • - 19 mm / ¾" reach
  • - 18 mm hex
  • - 0.7 mm / 0.028" gap
  • - NGK heat range 7
  • - Flat gasket seat
  • - Solid terminal

Specifications & Dimensions

  • - Brand: NGK
  • - Part Number: DR7EB
  • - NGK Stock Number: 5469
  • - Spark Plug Type: Standard resistor
  • - Thread Diameter: 12 mm / 0.472"
  • - Thread Size: M12 × 1.25
  • - Thread Reach: 19 mm / 0.750"
  • - Hex / Spanner Size: 18 mm / 0.709"
  • - Spark Gap: 0.7 mm / 0.028"
  • - NGK Heat Range: 7
  • - Seat Type: Flat / gasket
  • - Resistor: Yes
  • - Resistance: approximately 5 kΩ
  • - Centre Electrode Material: Nickel
  • - Centre Electrode Core: Copper
  • - Insulator Type: Non-projected
  • - Ground Electrode: Nickel, J-gap
  • - Ground Electrode Quantity: 1
  • - Terminal: Solid
  • - Sealing Washer: Yes

Compatible Marine Engines / Outboard Motors

  • Honda Outboards
  • - Honda BF40D – 40 HP, 4-stroke
  • - Honda BF40DK2 – 40 HP, 3-cylinder PGM-FI, 808 cc, 4-stroke
  • - Honda BF50D – 50 HP, 4-stroke
  • - Honda BF50DK2 – 50 HP, 4-stroke
  • NGK's own application catalogue specifically lists DR7EB for the Honda B40DK2 40 HP, three-cylinder PGM-FI 808 cc four-stroke and also identifies DR7EB for Honda's 50 HP F50 application.

Cross-Reference Spark Plugs & Part Numbers

  • - NGK: DR7EB
  • - NGK Stock Number: 5469
  • - Honda: 98069-5777P
  • - Champion: 8815
  • - Champion: 8815-1
  • - Champion: 8815-2
  • - Champion: 8819
  • - Champion: 8819-1
  • - Champion: 8819-2

Important Fitment Information

  • DR7EB should not be confused with DR7EA, DPR7EA-9 or DCPR7E. Although several of these plugs share a 12 mm thread and 19 mm reach, their electrode construction, hex size, projection and intended applications differ.
  • For the Honda applications above, use the plug specified for the exact engine model and serial number. NGK lists DR7EB at a 0.7 mm gap, although application-specific service information should take priority when servicing an engine.

Signs the Spark Plug Needs Replacing

  • - Difficult starting
  • - Rough or unstable idle
  • - Engine misfire
  • - Hesitation under acceleration
  • - Reduced engine power
  • - Poor high-RPM performance
  • - Increased fuel consumption
  • - Carbon fouling
  • - Fuel or oil contamination
  • - Worn or rounded electrodes
  • - Corrosion
  • - Cracked ceramic insulator

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