NGK
More Information for NGK 7447
{Alternate Inventory Numbers: BUZ8H}
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NGK 7447  
$4.18
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$4.18
Total
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NGK 7447 Specifications
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Electrical Terminal TypeNon-Removable Nut
Gap Size (IN).016
Ground ConfigurationSurface Discharge
Ground Electrode Core MaterialNickel
Ground Electrode Tip DesignSurface Discharge
Hex Size (IN)13/16
Insulator Height (mm)55.00
Manufacturer Heat Range8
Part NumberBUZ8H
Reach (IN).5
Resistance (ohms)35
Seat TypeFlat
Stock Number7447
Thread Diameter (MM)14.00
Standard; INBOARD: 2006-1997 MERCURY; OUTBOARD: 1987-1977 EVINRUDE, 1992-1976 JOHNSON, 2002-1987 MERCURY
NGK standard plugs are constructed for long life and optimum performance. NGK Spark Plugs are at the heart of smooth-running engines around the world.

Features & Benefits:
  • Triple-Gasket Sealing Process
  • Corrugated ribs to prevent flashover
  • High dielectric strength
  • Proper heat transfer
  • Consistent Performance
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
Which NGK Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel V-Power
Copper
Platinum G-Power
Platinum
★★ ★★★★
Double Platinum Laser
Double Platinum
★★★★★ ★★ ★★
Iridium IX
Iridium IX
★★★ ★★★★★ ★★
Iridium Laser
Iridium Laser
★★★★★★ ★★★★ ★★★
Ruthenium HX
Ruthenium
★★★★★★★ ★★★★★ ★★★★
Videos

Check, Set & Adjust Spark Plug Gaps

OEM / Interchange Numbers: 2852

Closeout Inventory Warranty Information:
Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).

Regular Inventory Warranty Information:
60 Days