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Home > Solution > Iridium spark plug recycling - Automotive Industry

Iridium spark plug recycling - Automotive Industry

Iridium spark plugs are used in high-performance cars, boats, and aircraft because they have a high melting point, resist corrosion, and give stable ignition. Among these, aircraft spark plugs have the highest recycling value. They need to work in environments up to 2000 degrees Celsius, so to make sure they're stable, they contain the highest amount of the rare precious metal iridium. Next are marine spark plugs. These work at sea, meaning they must be extra resistant to salt spray corrosion. Therefore, marine spark plugs also need plenty of rare iridium metal to ensure they work stably for a long time. DONGSHENG buys iridium spark plugs. If you have a good amount of iridium spark plugs, please contact us for the most competitive price.
Iridium spark plug recycling - Automotive Industry

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Brands and features of aircraft spark plugs

Compared to marine and car plugs, aircraft spark plugs must perform much better! Aircraft engines run very hot, meaning aircraft spark plugs have to ignite reliably at over 2000 degrees Celsius. So, aircraft spark plugs must contain enough precious metals like iridium or platinum. Also, aircraft engines demand extremely precise ignition timing – the spark plug must fire within milliseconds. This makes spark plug aircraft performance far superior to car spark plugs. High-quality iridium spark plugs life from American company Unison Industries can last up to 1000 flight hours!

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Other Types of Iridium Spark Plug

  • Brands and features of marine spark plugs

    Brands and features of marine spark plugs

    The main brands for marine spark plugs are NGK iridium spark plugs and champion marine spark plugs. NGK marine spark plugs / marine ngk spark plugs are designed specifically for outboard motors, fitting two-stroke marine engines like Mercruiser and Yamaha. Models include IZFR5F11 97089. Champion marine spark plugs also offer high corrosion resistance and stability, ideal for heavy-duty marine engine use. Champion's HEAT-ACTIVE alloy technology can effectively reduce fuel consumption!


    Car models using iridium spark plugs and their features


    1. High-end passenger cars: K6RTIP-11 iridium spark plugs fit Mitsubishi 4G series, Toyota models, and Buick Excelle 1.6/1.8. NGK iridium spark plugs BPR5EIX fit Santana 2000, Gol 1.6L, and Chery QQ3 1.1L. DENSO iridium spark plugs fit most Japanese, European, and American brands like Honda, Nissan, BMW, Ford, Audi, Land Rover. Their 0.4mm iridium tip improves ignition.

    2. High-performance & racing cars: LDH Thunder God Super Double Iridium plugs fit high-compression engines, improving acceleration response. Fit BMW, Audi, and other high-performance cars.


    Possible iridium spark plug brands, models and features

    Identifying iridium spark plug brands

    1. NGK iridium spark plugs series: NGK8S, NGK 9G, NGK6AP-11, NGK 7A7, NGK 7U4D N, NGK 7D4D.

    Other features: Double tip / Five-star thick/thin double tip / Green NGK logo / Lynk & Co thin stem.

    2. bosch iridium spark plugs series: bosch 1132, bosch Mercedes plugs, bosch China Stage 5. Other features: Double tip.

    3. Other brands that possibly containing iridium: ACDelco, Denso, Weichai Power G6, Cummins, CHAMPION.

    Identifying iridium spark plugs by car model

    1. BMW iridium spark plugs features: Hex shape (plum blossom) / Thick / Hex single tip / Green hex logo.

    2. Volkswagen iridium spark plugs features: Short white stem / Long white stem / Single black line / Double blue line.

    3. Ford iridium spark plugs series models: FOMOCO 13/13G, Thin Ford Y2.

    Info on other car models and brands is continuously updated on the DONGSHENG website product page. Subscribe to our email for the latest recycling catalog materials.


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