NGK SPARK PLUGS part description

XR4IX S-PLUGS

Product Description

NGK Iridium IX Spark Plug

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

Product Attributes

Stock Number 7189
Part Number XR4IX
Resistance 5000.0 82
Ground Electrode Tip Design Taper Cut
Ground Configuration J-Gap
Ground Electrode Core Material Nickel
Electrical Terminal Type Non-Removable Nut
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Pre-Gap Size .040 IN
Ground Electrode Quantity 1
Hex Size 13/16 IN
Insulator Height 55.00 MM
Manufacturer Heat Range 4
Seat Type Flat
Reach 0.375 IN
Thread Diameter 14.00 MM
Short Style Spark Plug No
Service Number XR4IX
Washer Included Yes
Grade Type Performance
Hex Size 13/16"
Insulator Height 2.24 IN
Thread Diameter 0.551 IN
Insulator Material Ceramic
Resistor Type Yes
6648 0.0 IN
Ground Electrode Tip Material Nickel
9459 No
9506 0.16 IN
9608 Fine Wire
9745 Crush
9805 Mid Projection

Additional Information

Warranty Time UOM MO
Warranty Time 2
Country of Origin (Primary) JP
Harmonized Tariff Code (HTS) 8511100000
UPC 00087295171899
VMRS Code 033003005
UNSPSC 26101732

Part Interchanges

Fits Vehicles

  • Chrysler 300 (1968-1969)
  • Pontiac Executive (1967-1970)
  • Buick Sportwagon (1965-1967)
  • Pontiac Tempest (1961, 1963-1968, 1970)
  • Plymouth Custom (1958-1961)
  • Chrysler Windsor (1957-1961)
  • Chrysler Saratoga (1957-1960)
  • Dodge Custom (1954-1961)
  • Cadillac Series 62 (1952)
  • Buick Super (1951-1958)
  • Buick Special (1951-1958, 1962-1963, 1965-1967)
  • Cadillac Series 75 Fleetwood (1950-1952)
  • Cadillac Series 61 (1950-1951)
  • Pontiac Ventura (1960-1961)
  • Pontiac Star Chief (1959-1966)
  • Pontiac LeMans (1963-1971)
  • Pontiac GTO (1964-1966, 1970-1971)
  • Pontiac Grandville (1971)
  • Pontiac Grand Safari (1971)
  • Pontiac Grand Prix (1962-1971)
  • Pontiac Firebird (1967-1971)
  • Pontiac Catalina (1959-1971)
  • Pontiac Bonneville (1959-1971)
  • Plymouth Suburban (1955-1958)
  • Plymouth Savoy (1955-1958, 1963-1964)
  • Plymouth Satellite (1965-1969)
  • Plymouth Plaza (1955-1958)
  • Plymouth Fury (1956-1958, 1960-1966)
  • Plymouth Fleet Special (1960-1963)
  • Plymouth Belvedere (1955-1966)
  • Plymouth Barracuda (1964)
  • Oldsmobile Toronado (1968-1974)
  • Oldsmobile Omega (1973-1974)
  • Oldsmobile F85 (1964-1972)
  • Oldsmobile Delta 88 (1968-1974)
  • Oldsmobile Delmont 88 (1968)
  • Oldsmobile Cutlass Supreme (1971-1974)
  • Oldsmobile Cutlass (1968-1974)
  • Oldsmobile 98 (1970-1974)
  • Oldsmobile 442 (1970-1971)
  • Jeep Universal (1966-1967)
  • Jeep Jeepster (1966-1971)
  • Jeep FC170 (1966)
  • Jeep FC150 (1966)
  • Jeep DJ6 (1966-1968)
  • Jeep DJ5 (1966-1970)
  • Jeep Dispatcher (1966-1967)
  • Jeep Commando (1966-1967, 1970-1971)
  • Jeep CJ6 (1966-1971)
  • Jeep CJ5 (1966-1971)
  • Jeep CJ3 (1966)
  • Dodge W300 Series (1967)
  • Dodge W300 Pickup (1968-1969, 1971)
  • Dodge W200 Series (1967)
  • Dodge W200 Pickup (1969-1971, 1974)
  • Dodge W100 Series (1967)
  • Dodge W100 Pickup (1968-1971, 1974)
  • Dodge Polara (1960-1973)
  • Dodge D300 Series (1967)
  • Dodge D300 Pickup (1968-1974)
  • Dodge D200 Series (1967)
  • Dodge D200 Pickup (1968-1974)
  • Dodge D100 Series (1967)
  • Dodge D100 Pickup (1968-1974)
  • Dodge Challenger (1970-1971)
  • Dodge B200 Van (1971, 1974)
  • Dodge 880 (1962-1965)
  • Dodge 440 (1963-1964)
  • Dodge 330 (1963-1964)
  • Chevrolet Nova (1970)
  • Chevrolet Impala (1959-1968)
  • Chevrolet El Camino (1968)
  • Chevrolet Chevy II (1963-1968)
  • Chevrolet Chevelle (1964-1968)
  • Chevrolet Caprice (1966-1969)
  • Chevrolet Camaro (1967-1969)
  • Chevrolet Biscayne (1958-1969)
  • Chevrolet Bel Air (1950-1969)
  • Cadillac Series 60 Fleetwood (1950-1952)
  • Cadillac Fleetwood (1967)
  • Cadillac Eldorado (1967)
  • Cadillac DeVille (1967)
  • Cadillac Calais (1967)
  • Buick Wildcat (1963-1965)
  • Buick Skylark (1954, 1965-1967)
  • Buick Roadmaster (1953-1958)
  • Buick Riviera (1963-1965)
  • Buick Limited (1958)
  • Buick LeSabre (1959-1965)
  • Buick Invicta (1959-1963)
  • Buick Gran Sport (1965, 1967)
  • Buick Electra (1959-1965)
  • Buick Century (1954-1958)
  • Oldsmobile Vista Cruiser (1968-1975)
  • Oldsmobile Custom Cruiser (1971-1976)
  • Dodge Royal Monaco (1975-1977)
  • Dodge Monaco (1965-1978)
  • Dodge Coronet (1953-1959, 1965-1976)
  • Dodge Charger (1967-1976)
  • Chrysler Town & Country (1957-1963, 1967-1972, 1975-1977)
  • Chrysler Newport (1959-1960, 1962-1963, 1966-1978)
  • Chrysler New Yorker (1959-1972, 1975-1978)
  • Chrysler Imperial (1959-1975)
  • Chrysler Cordoba (1975-1978)

Headquartered in Wixom, Michigan, NGK® is a global leader in the design and manufacture of spark plugs for virtually every automotive and commercial vehicle application. It has grown immensely since its inception in 1936 with the expansion of its ignition product line and the introduction of its technical sensor and vehicle electronics line. NGK partners with OEMs and uses only the latest cutting tools to ensure each NGK product meets OE specifications for exact fit, form, and function. With world-class quality and engineering, NGK’s expertise goes beyond manufacturing the most reliable spark plugs for the automotive industry but also providing the best customer service possible.

Don't know your part number?

Take a photo and we'll identify it!

Recommended Products

More from NGK SPARK PLUGS (Browse all)