In need of some new Bosch Spark Plugs? You've come to the right place! Here at Sparesbox, we stock the best of Bosch Spark Plugs so you'll always have the right replacement spark plugs on hand.
Bosch Auto Parts has been a long standing figure in the OE and aftermarket world of spark plugs. With over 1400 unique spark plug designs around the world, finding a high quality, heavy duty spark plug can prove to be quite the task. Luckily, Bosch Spark Plugs are manufactured to the highest standards of reliability, quality, performance and spark plug life, making them the top choice for professionals across the world. Bosch's original equipment design, materials and processes means every Bosch spark plug delivers the best of OE technology for vehicles of any make and model.
Each Bosch Spark Plug meets or exceeds original equipment requirements for all vehicle and engine manufacturers when installed correctly, so you'll never need to worry about combing through thousands of parts to find a spark plug that meets your vehicle's original equipment specifications!
Our Bosch Spark Plug Range
Engineered with a Yttrium enhanced ground electrode to provide 2x longer service life compared to standard copper spark plugs, Bosch Platinum Spark Plugs are designed for improved ignitability and performance using Bosch Auto Parts' OE fine wire technology. Built with a fine wire design and copper core in the center electrode, the Bosch Platinum Spark Plug features a 360-degree continuous laser welded platinum tip for enhanced durability. If you're after a spark plug that will exceed your OE specifications, this is the choice for you!
Bosch Double Platinum Spark Plugs are designed with a laser welded Platinum inlay ground electrode to give 3x longer service life compared with traditional copper spark plugs. Built with an ultra fine wire center electrode tip as well as a 360º continuous laser welded platinum centre electrode, Double Platinum Bosch Spark Plugs deliver a broader heat range to resist pre-ignition and fouling and come with a nickel-plated shell and rolled threads for anti-seizing and corrosion protection. If you're after reliability and longer lasting performance, the Bosch Double Platinum Spark Plug is perfect for your vehicle.
Bosch Silver spark plugs come with a thinner centre electrode for better accessibility for the fuel/air mixture and maximum thermal conductivity. Another advantage of Bosch silver spark plugs is their longer service life compared to standard spark plugs and their excellent chemical resistance against lead-free fuels.
Bosch Iridium spark plugs feature a longer service life compared to Bosch Silver spark plugs. In addition, iridium is a precious metal that possesses high erosion resistance, making Bosch Iridium Spark Plugs the perfect heavy duty, long-life choice for your vehicle.
How often should I replace my spark plugs?
Most modern vehicles require a spark plug replacement every 100,000 km or more. Spark plugs that haven't been changed in a long time can get stuck in the cylinder head, causing irreparable damage to both parts. If in doubt, follow the replacement interval in your vehicle owner's manual. Bosch Auto Parts recommend a yearly inspection of your spark plugs and to replace when needed to ensure optimum engine performance.
What are the symptoms of a bad spark plug?
- Your car starts to make knocking or rattling noises, it's a sign of spark plugs misfiring.
- Your car is hard to start or starts jerkily.
- Fuel economy has decreased drastically. This is because your spark plugs are misfiring while you accelerate or change gears, leading to increased fuel wastage.
- You find it hard to accelerate - this happens because your worn out spark plug isn't generating enough spark to efficiently light up the air-fuel mixture in the combustion chamber.
If you notice any of these signs, perhaps it is time to replace your worn out spark plug with a durable, long lasting, high quality Bosch Spark Plug!
Are Bosch Iridium Spark Plugs good?
Yes! Not only are Bosch Iridium Spark Plugs engineered to provide a longer life and improved performance, they come with an ultra-fine wire iridium centre electrode pin and iridium-platinum alloy tipped ground electrode for greater durability. Bosch Iridium Spark Plugs also feature a ribbed insulator design to prevent flash-over misfires and a tapered shape for reduced flame shrouding, improved combustion and greater power. All of these features mean you'll get the latest in spark plug technology with Bosch Iridium Spark Plugs!
Are Bosch Spark Plugs made in China?
Bosch Spark Plugs are now manufactured in 5 locations: Aratu, Brazil; Nanjing, China; Saratow, Russia; and Naganathapura, India, as well as the original Bosch plant in Bamberg, Germany. Bosch works closely with many global engine manufacturers in accordance to high quality standards to manufacture around 300 million spark plugs per year.
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