BOSCH 6743

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	★★	★
Platinum	★★★★	★★★★	★★
Double Platinum	★★★★★	★★★	★★
Iridium	★★★★★★	★★★★★	★★★
Double Iridium	★★★★★★★	★★★★★	★★★
Double Iridium Pin-to-Pin	★★★★★★★	★★★★	★★★

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.

Additional Resources

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

CAPA Certified or NSF Certified parts bear the seal of independent, third party organizations guaranteeing fitment and quality equal to original equipment. These parts may be required if your insurance company is paying for the repair.