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BOSCH 4482 Specifications
Center Electrode Core MaterialPlatinum
Center Electrode Tip MaterialPlatinum
Gap Size1.6 mm
Ground ConfigurationMultiple
Ground Electrode Core MaterialN/A
Ground Electrode Quantity4
Ground Electrode Tip DesignMultiple
Ground Electrode Tip MaterialNickel-Yttrium
Hex Size16
Insulator MaterialCeramic
Manufacturer Heat Range8
Reach25 mm
Resistance6000
Seat TypeTapered
Short StyleNo
Thread Diameter14 MM
PLATINUM+4; Pre-Set Gap: 0.063"
Bosch Platinum+4 Spark Plugs deliver smoother acceleration, top fuel economy and ultimate engine performance. Bosch Platinum+4 Spark Plugs reach self-cleaning temperatures faster for quicker starts, smoother acceleration and increased fuel efficiency.

Features & Benefits:
  • Revolutionary surface air gap firing technology featuring Bosch's unique four ground electrode design delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement
  • More platinum vs. Bosch Platinum Plus for smoother acceleration, better gas mileage and optimum engine performance
  • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life
  • Factory pre-set gap for ease of installation. Never requires adjustment
Which BOSCH Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel
Copper
★★
Platinum
Platinum
★★★★ ★★★★ ★★
Double Platinum
Double Platinum
★★★★★ ★★★ ★★
Iridium
Iridium
★★★★★★ ★★★★★ ★★★
Double Iridium
Double Iridium
★★★★★★★ ★★★★★ ★★★
Double Iridium Pin-to-Pin
Double Iridium Pin-To-Pin
★★★★★★★ ★★★★ ★★★
Bosch OE-Fine Wire Performance Guarantee

Bosch guarantees you will feel improved performance in your vehicle when using any of Bosch OE Fine Wire Spark Plugs (Double Iridium, Double Iridium Pin-to-Pin, Double Platinum and Platinum). However, if you do not experience quicker starts, smoother acceleration and improved fuel efficiency, you can return the plugs with a dated sales receipt and Bosch will refund the purchase price of the spark plugs.

PLATINUM
Offer extends for four (4) years or for the manufacturer’s recommended spark plug change interval as indicated in the owner’s manual -- whichever occurs first.
Learn More
4 YEAR
PERFORMANCE
GUARANTEE
Additional Resources

Diagram of Proper Torquing
Spark Plug Condition Identification
Spark Plug Gap Illustrations
Spark Plug Temperature Curves-Heat Range

Warranty Information:
12 Months Satisfaction Guarantee for Double Iridium, Double Platinum, and Platinum Spark Plugs Only
Warranty Details