CARQUEST

CARQUEST Auto Parts

Part Information

NGK - NGK SPARK PLUGS

All images...

MFG Code: NGK
Part Number: 3689

Description
SPK PLUG-IRIDIUM IX

Specifications
Insulator Type: ISO
Manufacturer Heat Range: 6
Reach (in): 0.708
Resistor: Yes
Seat Type: Tapered
Shorty Spark Plug: No
Spark Plug Thread Size (mm): 14
Thread Diameter (mm): 14
Tip Configuration: Taper Cut
Type: Iridium IX
Wrench Diameter (in): 5/8
Center Electrode Core Material: Copper
Center Electrode Tip Material: Iridium
Electrode Core Material: Copper
Electrode Tip Material: Iridium
Gap Size (in): 0.04
Ground Configuration: Standard
Ground Electrode Core Material: Nickel Core
Ground Electrode Quantity: 1
Ground Electrode Tip Design: Taper Cut
Ground Strap Quantity: 1
Hex Size (in): 5/8
USA Warranty: 60 DAY REPLACEMENT IF DEFECTIVE

Features & Benefits
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
MSDS Sheets
- No MSDS sheet available
Application Summary
  • Aston Martin - Cars (2000)
  • Cadillac - CTS V8 6.2 (2009-2015)
  • Chevrolet - Camaro V8 6.2 (2012-2015), V8 7.0 (2014-2015); Corvette V8 6.2 (2009-2013), V8 7.0 (2006-2013)
  • Ford - Crown Victoria V8 4.6 (1996-2011); F-Series Pickups V8 5.4 (1999-2004); GT (2005-2006); Mustang V8 5.4 (2007-2012), V8 5.8 (2013-2014); Ranger V6 3.0 (1999-2004); Taurus V6 3.0 (1999-2006)
  • Lincoln - Town Car V8 4.6 (2006-2011)
  • Mazda - B-Series (2000), V6 3.0 (1999-2001)
  • Mercury - Grand Marquis (2011), V8 4.6 (2006-2010); Sable V6 3.0 (2001-2005)
  • Pontiac - Firebird V6 3.8 (1989); Grand Prix V6 3.1 (1989-1990)
  • Rover - Cars (1968-1971)
Product Bulletins
- No bulletins available
Interchange Numbers
- No interchange numbers available
Specification Documents
- No specifications available