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DENSO 4090 U-Groove Spark Plug

(Ford Thunderbird 1989-97; BMW 328i 2007-11, 335i 2007-11, 325i 2006, 328i xDrive 2009-11, 330i 2006, 335d 2009-11, 325xi 2006, 328xi 2007-08 + 37 more models)

Part of: DENSO Standard Spark Plug

Other options in this family: DENSO 3027 DENSO 3007 DENSO 6011 DENSO 3144 DENSO 3014

Manufacturer

Picture for manufacturer DENSO

Part Number

4090
6 reviews
Sale Price

$3.99

In Stock (10+)

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The DENSO 4090 U-Groove spark plug delivers superior ignitability and enhanced engine performance through its innovative design. Engineered with DENSO's patented U-Groove ground electrode technology, this spark plug creates a more efficient spark that promotes complete fuel combustion.

Key Features:

  • U-Groove ground electrode design for improved ignitability
  • Enhanced spark efficiency increases engine power and fuel economy
  • Promotes more complete combustion for reduced emissions
  • Proven DENSO quality and reliability
  • Direct replacement spark plug for various applications

The unique U-Groove design channels the spark to the optimal location, ensuring consistent ignition even in challenging conditions. This results in smoother engine operation, improved throttle response, and better overall engine efficiency.

Products specifications

Fits

Ford Thunderbird 1989-97; BMW 328i 2007-11, 335i 2007-11, 325i 2006, 328i xDrive 2009-11, 330i 2006, 335d 2009-11, 325xi 2006, 328xi 2007-08, 335i xDrive 2009-11, 330xi 2006, 335xi 2007-08, K100LT 1987-91, K100RS 1984-88 + 32 more models

Pre-Gap Size

0.7

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Center Electrode Tip Material

Nickel

Ground Electrode Quantity

1

Ground Configuration

Standard

Thread Diameter

12.00

Center Electrode Core Material

Copper

Ground Electrode Tip Design

U-Groove

Hex Size

18.0

Manufacturer Heat Range

22

Reach

19.00

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