Bosch® 6722 - FineWire™ OE Fine Wire Platinum Spark Plug

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Product Details

FineWire™ OE Fine Wire Platinum Spark Plug by Bosch®. These spark plugs are engineered to ensure reliable ignition and uncompromising performance. The OE fine wire platinum design delivers optimal fit and function for 2x longer service life compared to standard copper plugs. All backed by a 4-year performance satisfaction guarantee.


Electrode Tip Material: Platinum
Ground Electrode Tip Material: Nickel-Yttrium
Ground Electrode Tip Design: Standard
Ground Electrode Quantity: 1
Insulator Material: Ceramic
Resistor: Yes
Nominal Gap: 0.043"
Spark Plug Gap: Pre-gapped
Spark Plug Thread Size: 14 mm
Spark Plug Reach: 0.438" (11 mm)
Wrench Diameter: 0.625"
Thread Diameter: 0.551"
Thread Length: 0.441"
Heat Range: 7
Seat Type: Tapered Seat
Quantity: 1 Piece


  • OE specific design
  • 360-degree continuous laser welded platinum tip for durability and long life
  • Fine wire design delivers improved ignitability and performance life
  • Copper core ground electrode for broader heat range to resist pre-ignition
  • Tapered shape reduces flame shrouding for improved combustion
  • Yttrium enhanced to resist wear
  • Nickel-plated shell with rolled threads for complete anti-freeze and corrosion protection
  • Ribbed insulator design prevents misfires due to flash-over
  • Backed by a 4-year performance satisfaction guarantee
  • Sold in packs of one

To maximize their investment, customers are looking for exceptional performance and extended service life, and spark plugs are no exception. Bosch offers a brand new series of spark plugs – Platinum Spark Plugs that are engineered and built in the most sophisticated facilities in the world to deliver improved ignitability and performance. The OE fine wire platinum design of the spark plug ensures a great fit and function for 2x longer service life compared to standard copper plugs. The use of platinum broadens the heat range beyond that achieved with a copper core center electrode design, providing consistent performance, a reliable spark and longer service. Bosch guarantees that OE Fine Wire Platinum Spark Plugs will make a difference you will notice and give you miles of worry-free driving.

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.”

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Warranty Information

Bosch warrants its products to be free from defects in materials or workmanship for a period of 1 year/12,000 miles. The warranty period begins on the date the product is delivered. The warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance. During the warranty period, Bosch will repair or replace, at no charge, a product that is defective in materials or workmanship. Bosch reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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Bosch® - FineWire™ OE Fine Wire Platinum Spark Plug
Bosch® 6722 - FineWire™ OE Fine Wire Platinum Spark Plug
Average Rating: 5 of 5
5 of 5
Perfect Spark Plugs
Iridium spark plugs by Bosch give the best spirit to my vehicle. I've been using these spark plugs already for a long time, so I can recommend them to other people.
Posted by (Beuford, GA) / 2010 Kia Rondo
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