JavaScript seems to be disabled in your browser. Initially its work was aimed at improving ignition technologies: in 1897 it became the world’s only magneto ignition systems supplier, and in 1902 Bosch spark plugs were presented. In most cases, that gap is indicated on the package. The company’s history started in 1886. Terms apply. Bosch 9659 HR9BII33V 0242225665 Double Iridium Spark Plug. You must have JavaScript enabled in your browser to utilize the functionality of this website. Denso Iridium Spark Plug types Denso Iridium Tough Plugs. The greater the distance between the electrodes of the spark plug the better is the combustion of fuel mixture. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and ground electrode help it to go the distance. Best price guarantee on Bosch® 96314 Spark Plug. Search “Bosch Automotive Catalog”. If they’re within.002 and you don’t have the gapping pliers (few people do but they’re inexpensive) then I would leave them alone due to the cost of Iridium plugs. For most applications, the pre-set gap is correct. The narrow diameter concentrates the electrical charge and therefore a much lower voltage is required to jump the spark gap. Design is usually a 0.6mm diameter centre electrode and a platinum chipped ground electrode. Write a review . Search. Please hit the, US imports may differ from local products. As such, Sparkplugs Limited takes no responsibility in respect of any claim whatsoever and howsoever caused arising from use of any information on this website. Est. Those that do will have either a standard ground electrode design, usually in nickel alloy, or a solid platinum bar ground (similar to the Denso racing design) and a 0.4mm Iridium alloy centre electrode. Amazon directly manages delivery for this product. Vibration can cause issues with ignition systems in racing engines which may rev to 20,000rpm or more. Iridium spark plugs give you even better gas mileage, performance, reliability, and longevity than double-platinum plugs. Not all NGK racing plugs incorporate an Iridium centre electrode. The strength of these plugs ensures that vibration does not cause any issues and the chances of plugs fracturing or melting are greatly reduced. SKU #HR9BII33V. As a worldwide leading developer and manufacturer of automotive technology, Bosch represents maximum quality and reliability. These plugs are a great investment for modern engines where performance is an issue and considerable time is required to service or replace the plugs. Denso makes the OE parts for many vehicle manufacturers and therefore their aftermarket OE Iridium plugs are the best option to replace the original factory fitted plugs (where available). We need more information to help you find the right products for your vehicle. Fitting an aftermarket Iridium plug may actually result in a drop in performance and service life. We keep the vast majority of designs and heat ranges in stock. As with Denso OE, we would not suggest or recommend replacing an OE Iridium plug with an aftermarket equivalent, design would inevitably be slightly different and this will most likely have a negative impact on ignition efficiency. At CarParts.com you always get the right part at the right price. ITEM #BOS9659. Improved economy (though this depends largely on how much you enjoy the improved throttle response! See All Buying Options. UK only. The standard plugs are already a performance or enhanced design. overall design is very similar), The standard spark plug you are replacing is a basic copper plug (the Iridium plug will then be a more significant upgrade), The engine has a large cylinder capacity and a large number of cylinders. Please try again. A pair of spark plug gapping pliers is by far the safest way to gap plugs, no matter if they’re Iridium, Platinum, or copper core. These plugs are designed to be the ideal part for a specific engine and therefore they are unlikely to be suitable for any application other than that for which they were designed. Bosch Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing the best of OE spark plug technology. You have no vehicles in your garage. This is Denso's 'basic' performance Iridium spark plug range. 0 Sign in. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. There are 0 reviews and 0 ratings from United Kingdom. No matter where you shop, you will earn rewards on every purchase. You can find a suitable Iridium IX plug by using our 'Advanced Search' application. Any information provided on this website is for general guidance only. © 1996-2020, Amazon.com, Inc. or its affiliates. 5.0 out of 5 stars Fits 2007 chevy tahoe. Please make sure that you've entered a valid question. High quality materials are use throughout. You will be able to use it for this purchase if you qualify for Instant Spend, otherwise you will be able to use it for a later purchase when you activate your card. Your number plate will not be saved. Supplied in an individual, protective plastic case. The vast majority of vehicles/engines will benefit from replacing a standard spark plug with an Iridium spark plug. Best price guarantee on Bosch® 9625 Spark Plug. Bosch Spark Plugs are pre-gapped at the factory. Buy BOSCH Double Iridium 0242129529 Spark Plug Electrode Gap: 1,1mm at low cost Spark Plug at an attractive price You save up to 27% Buy now 0. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. Perfect fit for my vehicle. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and ground electrode help it to go the distance. We work hard to protect your security and privacy. *Note that some race parts do not have a traditional ground electrode, these are known as surface discharge plugs and remove the risk of damage to the ground electrode (as there isn't one!). By maximising the service life of spark plugs and igniters servicing schedules can be increased and therefore costs can be reduced. Choose from over 13,000 locations across the UK, Prime members get unlimited deliveries at no additional cost, Dispatch to this address when you check out, Double Iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs, 0.6mm fine wire firing pin provides superior ignitability and performance, 360° continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability, 7 year performance satisfaction guarantee, Original equipment, pre-gapped replacement delivering optimum fit, form and function, Bosch 9601 Double Iridium Spark Plug - 4X Longer Service Life (Pack of 1), Bosch 9603 Double Iridium Spark Plug - 4X Longer Service Life (Pack of 1), Bosch 9614 Double Iridium Spark Plug - 4X Longer Service Life (Pack of 1), Regardless of your statutory right of withdrawal, you enjoy a 30-day right of return for many products. Credit by NewDay Ltd. Subject to status. 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