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DENSO 5091 Double Platinum Spark Plug

(Ford Mustang 1979-84, 2010-14, Ranger 1983-92, 2001-10, Escape 2009-12, Fusion 2010-12, Thunderbird 1982-83, F-100 1982-83, Mustang II 1974-78 + 65 more models)

Part of: DENSO Double Platinum Spark Plug

Other options in this family: DENSO 3141 DENSO 3173 DENSO 3246 DENSO 3128 DENSO 3245

Manufacturer

Picture for manufacturer DENSO

Part Number

5091
9 reviews
Sale Price

$7.70

In Stock (10+)

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The DENSO 5091 Double Platinum Spark Plug delivers exceptional performance and longevity for demanding engine applications. Featuring platinum on both the center and ground electrodes, this spark plug provides superior resistance to wear and electrode erosion compared to traditional copper plugs.

Key Features:

  • Double platinum construction extends service life up to 100,000 miles
  • Engineered to meet or exceed OE performance, durability, and emissions standards
  • Provides reliable ignition and consistent firing under extreme temperatures
  • Reduces gap growth and maintains optimal electrode geometry over time
  • Ideal for modern engines with electronic ignition systems

DENSO's advanced spark plug technology ensures complete combustion, improved fuel efficiency, and reduced emissions. This plug is manufactured with precision tolerances to guarantee proper fit and reliable performance in OE and aftermarket applications.

Products specifications

Fits

Ford Mustang 1979-84, 2010-14, Ranger 1983-92, 2001-10, Escape 2009-12, Fusion 2010-12, Thunderbird 1982-83, F-100 1982-83, Mustang II 1974-78, Bronco II 1984-90, Pinto 1974-80, LTD 1983, Aerostar 1986, Tempo 1984-94 + 60 more models

Seat Type

Tapered

Center Electrode Tip Material

Platinum

Ground Electrode Core Material

Nickel

Ground Electrode Quantity

1

Manufacturer Heat Range

16

Pre-Gap Size

1.0

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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