NGK® 3903 - Iridium IX™ Spark Plug

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$8.48
In Stock (165) - Ships in 24 to 48 hrs
Guaranteed Fit
1979 Subaru Standard
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Product Details

Iridium IX™ Spark Plug (3903) by NGK®. NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Specifications

Thread Diameter: 14 mm
Thread Pitch: 1.25 mm
Seat Type: Gasket
Reach: 19 mm (3/4")
Hex Size: 13/16" (21 mm)
Terminal Type: Solid
Overall Height: JIS
Gap: .043" (1.1 mm)
Center Electrode
Material: Iridium
Type: Fine Wire
Size: 0.6 mm
Projection: Projected
Ground Electrode
Material: Nickel
Type: Standard
Shape: Taper Cut
Quantity: 1
Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 6
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Electrode Material: Iridium
Nominal Gap: 1.1 mm

Features

  • Manufactured to boost your engine’s performance
  • Engineered utilizing the finest materials and equipment
  • Provides reliable, hassle-free operation
  • Made in compliance with high industry standards
  • Made to perform and built to last

Since its inception, the Autolite® brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. Autolite has been in operation for over 100 years and produced more than 11 billion spark plugs and glow plugs. Autolite plugs are specifically designed for each application to meet or exceed OE quality and performance. Autolite makes plugs for Japanese, European and Korean cars as well as plugs for Lawn & Garden and Power Sports.

As a leading supplier of spark plugs, ignition wire sets and Coil-on-Plug boots, the Autolite brand has the right ignition products for your vehicle, regardless of make or model, import or domestic.

Starting with a single product in 1936, NGK® became the world leader in innovation, technology, and premium quality in the manufacture of spark plugs for virtually every automotive manufacturer in the world. NGK`s extraordinary growth can be attributed to a philosophy of manufacturing the product where it is going to be used, which means a substantial number of products sold in the USA are made in America. One of the benefits of such a policy is the ability to work closely with manufacturers in developing products tailored specifically to their needs. Today with ISO 14001 and ISO/TS 16949 certification as well as state-of-the-art manufacturing and inventory facilities, NGK provides customers with the finest spark plugs and complimentary products.

Brand:
Part Number:
3903
UPC:
087295139035

Installation

NGK® - Spark Plugs InstallationNGK® - Spark Plugs Installation

Vehicle Fitment

Chevy
Metro 1992, 1998-2000
Sprint 1987-1992
Chrysler
Conquest 1987-1988
Dodge
2000 GTX 1989-1990
Caravan 1984-1986
Challenger 1978-1979
Colt 1979-1991
Conquest 1984-1986
Raider 1987-1989
Ram 50 1979-1993
Eagle
2000 GTX 1991-1993
Summit 1989-1990
Talon 1990-1994
Ford
Festiva 1988-1993
GEO
Metro 1989-1997
Storm 1990-1993
Honda
Accord 1985
Civic 1986-1987
CR-X 1985
Prelude 1984-1987
Hyundai
Elantra 1992-1995
Excel 1986-1994
Scoupe 1991-1992
Sonata 1989-1998
Isuzu
Amigo 1989
I-Mark 1981-1989
Impulse 1983-1989
Pick Up 1981-1991
Stylus 1991-1993
Trooper 1984-1987
Mazda
Mizer 1976
Mitsubishi
Cordia 1983-1988
Diamante 1992-1996
Eclipse 1990-1994
Expo 1992
Galant 1989-1992
Mighty Max 1983-1996
Mirage 1985-1992
Montero 1986-1989
Precis 1987-1994
Starion 1983-1988
Tredia 1983-1988
Van 1987-1990
Nissan
510 1978-1979
610 1975-1976
710 1975-1977
810 1980-1981
200SX 1977-1979
280ZX 1980-1983
Maxima 1981-1984
Pulsar 1983-1984
Sentra 1987-1988
Stanza 1982-1983
Plymouth
Arrow 1978-1982
Champ 1979-1982
Colt 1976-1979, 1981-1994
Conquest 1984-1986
Horizon 1983
Laser 1990-1994
Sapporo 1978-1979
Turismo 1983
Pontiac
Firefly 1987-1991, 1994-2000
Subaru
Brat 1981-1987
Justy 1987-1990, 1995
L-Series 1980-1989
Loyale 1990-1994
Standard 1976-1987
XT 1985-1991
Suzuki
Swift 1989-1994

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