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DENSO 3403 Iridium Long Life Spark Plug

(Nissan Altima 2002-04, Pathfinder 1990-92, 1994-95, D21 1990, 1993-94, Pickup 1995-96, Quest 1993-98; Audi S4 1992-94 + 78 more models)

Part of: DENSO Iridium Long Life Spark Plug

Other options in this family: DENSO 3534 DENSO FK16HQR11#4 DENSO SK20R-P11 DENSO 3494 DENSO 3518

Manufacturer

Picture for manufacturer DENSO

Part Number

3403
6 reviews
Sale Price

$11.26

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The DENSO 3403 Iridium Long Life spark plug delivers superior ignition performance and extended service life for demanding automotive applications. Featuring advanced iridium technology, this premium spark plug provides a more focused spark for improved combustion efficiency, better fuel economy, and reduced emissions.

Key Features:

  • Iridium center electrode for superior durability and longevity
  • 0.4mm ultra-fine wire design ensures consistent ignition
  • Extended service life reduces maintenance intervals
  • Manufactured to strict OE performance and emissions standards
  • Enhanced throttle response and fuel efficiency
  • Purified alumina powder insulator for superior dielectric strength
  • 360-degree laser welding for maximum durability

DENSO's iridium spark plugs are engineered to deliver reliable performance in extreme conditions, making them an ideal choice for both OE replacement and performance applications. The iridium construction provides superior wear resistance compared to conventional platinum or copper plugs.

Products specifications

Fits

Nissan Altima 2002-04, Pathfinder 1990-92, 1994-95, D21 1990, 1993-94, Pickup 1995-96, Quest 1993-98; Audi S4 1992-94, A4 Quattro 2000, 2003-09, 2011-13, A6 Quattro 2003-04, 2013, Q5 2011-13, TT Quattro 2000-06, 2011-13 + 74 more models

Manufacturer Heat Range

20

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Pre-Gap Size

0.8

Ground Electrode Quantity

1

Center Electrode Tip Material

Iridium

Ground Configuration

Standard

Center Electrode Core Material

Copper

Thread Diameter

14.00

Resistance

5000

Ground Electrode Tip Design

Platinum Chip

Reach

19.00

Hex Size

16.0

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