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BOSCH 6705  
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BOSCH 6705 Specifications
Center Electrode Core MaterialNickel-Yttrium and Copper and Platinum
Center Electrode Tip MaterialPlatinum
Gap Size1.1 MM
Ground ConfigurationStandard
Ground Electrode Core MaterialN/A
Ground Electrode Quantity1
Ground Electrode Tip DesignTapered
Ground Electrode Tip MaterialNickel-Yttrium
Hex Size16
Insulator MaterialCeramic
Manufacturer Heat Range7
Reach19 mm
Resistance6000
Seat TypeFlat
Short StyleNo
Thread Diameter14 MM
OE Fine Wire Platinum; Pre-Set Gap: 0.044"
Bosch OE Fine Wire Platinum Spark Plugs deliver improved ignitability and fuel efficiency. The fine wire design with a platinum firing pin on the center electrode and tapered ground electrode are an economical upgrade from conventional copper core spark plugs. Engineered to meet or exceed Original Equipment specifications for platinum spark plugs.

Features & Benefits:
  • OE Fine Wire design with Platinum firing pin on the center electrode requires up to 24% less voltage to ignite and up to 2 times longer life compared to standard copper spark plugs
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
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
OEM / Interchange Numbers: AP3922

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