Bosch® 4021 - OE Specialty™ Platinum Spark Plug

2 reviews|Item # mpn5080704092|Similar Products|All New Arrivals
$2.83
OUT OF STOCK - Unavailable until further notice
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Product Details

OE Specialty™ Platinum Spark Plug by Bosch®. Only Bosch uses a platinum center electrode that’s heat-fused into a ceramic insulator. All Bosch Platinum Series Spark Plugs reach self-cleaning temperature faster for quicker starts, smoother acceleration and increased fuel efficiency. Try the top-of-the-line Bosch Platinum+4, Bosch Platinum+2 or Bosch Platinum Plus, and ignite your vehicle’s performance with the most advanced and most powerful line of spark plugs available.

Specifications

Thread Diameter: 14 mm
Thread Pitch: 1.25 mm
Seat Type: Gasket
Reach: 19 mm (3/4")
Hex Size: 13/16" (21 mm)
Gap: .043" (1.1 mm)
Center Electrode
Material: Platinum
Type: Standard
Size: 2.5 mm
Projection: Projected
Ground Electrode
Material: Nickel
Quantity: 4
Resistor: Yes
Heat Range: 9
Torque Specs: Cast Iron: 15-29 lb. ft. Aluminum: 15-22 lb. ft.
Electrode Material: Platinum
Nominal Gap: 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

Bosch introduces its most powerful spark plugs series ever, and Platinum is among them. Bosch utilizes its exclusive platinum technology to guarantee maximum performance over the life of the spark plug. Platinum features a platinum center electrode that's heat-fused into a ceramic insulator and also a tapered, yttrium enhanced ground electrode to ensure quicker starts, smoother acceleration without sacrificing fuel efficiency. Platinum spark plugs are designed to last as much as 25% longer than original Bosch Platinum spark plugs, which is definitely a huge advantage.

Bosch®, a premier global supplier of services and technology, is a privately held company headquartered in Germany. Its operations have been divided into four main business sectors that include automotive technology, industrial technology, energy and building technology, and consumer goods. Bosch products and services are designed to fascinate and improve the quality of life by offering innovative and beneficial solutions. The company offers technology worldwide that is “Invented for Life.”

Brand:
Part Number:
4021
UPC:
028851036214
Alternate MPN:
4021

Reviews

(2)
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Bosch® 4021 - OE Specialty™ Platinum Spark Plug
/5
1-2 of 2 Reviews
5 of 5
Bosch
True Bosch quality. The fuel consumption significantly dropped after I swapped all the plugs. I'm glad I've chosen plugs of the brand that I trust.
Posted by Susan (San Antonio, TX) / July 28, 20161986 Cadillac Eldorado
5 of 5
Plugs
Quality auto part for sure.
Posted by Alfred (Bronx, NY) / April 16, 20151998 Volkswagen Beetle

Questions and Answers

(0)
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