Bosch FR7KI332S Spark Plug
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Bosch
 OE Fine Wire Iridium

Bosch FR7KI332S Spark Plug

Brand Bosch FR7KI332S
Resistance 6000
Ground Electrode Tip Design Standard
Ground Configuration Standard
Ground Electrode Core Material Copper
Center Electrode Tip Material Platinum
Pre-Gap Size .7
Ground Electrode Quantity 1
Hex Size 16
Manufacturer Heat Range 7
Seat Type Flat
Reach 19
Thread Diameter 14
Center Electrode Core Material Nickel-yttrium and copper
Ground Electrode Tip Material Platinum-iridium and nickel-yttrium and copper
Insulator Material Ceramic
Insulator Type Non-projected
Outdoor Power Equipment Application No
Package Contents Spark plug
Package Quantity 1
Product Length 3 in
Product Width 0.748031 in
Resistor Yes
Short Style No
Spark Plug Type 4-cycle
Product line OE Fine Wire Iridium
Fits Chevrolet, Maybach, and Mercedes-Benz · 111 vehicles

OE fine wire iridium. Bosch OE spark plug technology for strong performance and long service life.

Iridium center electrode. Ultra-fine wire firing pin delivers crisp ignition performance.

Ceramic insulator. Non-projected design with a standard ground setup.

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Bosch OE Fine Wire Iridium Spark Plug FR7KI332S

Bosch FR7KI332S is an OE Fine Wire Iridium spark plug built for direct replacement service in select Mercedes-Benz, Maybach, and Chevrolet applications. It uses an ultra-fine wire iridium center electrode firing pin to support consistent ignition performance and long service life.

For drivers searching for a Bosch spark plug for Mercedes-Benz S65 AMG, S600, CL600, or SL600 applications, FR7KI332S follows OE-style specifications and arrives pre-gapped. The plug is also listed for the 2011 Chevrolet Volt and several dual-spark Mercedes-Benz V12 platforms.

Key Features

  • OE Fine Wire Iridium design for OE-style ignition performance
  • Ultra-fine wire iridium center electrode firing pin
  • Pre-gapped at .7 mm; do not gap before installation
  • Resistor spark plug with 6000 ohm resistance
  • Flat seat, 14 mm thread diameter, 19 mm reach, 16 mm hex
  • Ceramic insulator with standard ground electrode configuration
  • Manufacturer heat range 7 for specified engine applications
  • Compatible with dual spark plug Mercedes-Benz and Maybach engines listed below

OE Fine Wire Iridium Line

Bosch OE Fine Wire Iridium spark plugs are part of Bosch’s OE-focused ignition line, built around fine-wire electrode technology for stable firing and long wear characteristics. FR7KI332S follows that approach with a platinum center electrode tip and platinum-iridium ground electrode materials used in the plug construction.

Detailed Description

Bosch FR7KI332S is a secondary ignition spark plug for 4-cycle engines that require a flat-seat, resistor-style plug with a preset gap. It is listed for 2015-2020 Mercedes-Benz S65 AMG, 2006-2013 Mercedes-Benz S65 AMG, 2018-2019 Mercedes-Benz Maybach S650, 2016-2018 Mercedes-Benz G65 AMG, 2013-2018 Mercedes-Benz SL65 AMG, 2005-2011 Mercedes-Benz SL65 AMG, 2016-2017 Mercedes-Benz Maybach S600, 2015-2017 Mercedes-Benz S600, 2003-2013 Mercedes-Benz S600, 2003-2014 Mercedes-Benz CL600, 2008-2014 Mercedes-Benz CL65 AMG, 2005-2006 Mercedes-Benz CL65 AMG, 2003-2012 Maybach 57, 2003-2012 Maybach 62, 2011 Chevrolet Volt, and 2004-2011 Mercedes-Benz SL600. Search terms such as Bosch FR7KI332S spark plug, Mercedes-Benz S600 spark plug, and Maybach S650 iridium spark plug all point to this OE-style replacement.

What It Helps Address

  • Misfires caused by worn or eroded spark plug electrodes
  • Hard starting from degraded ignition performance
  • Rough idle in high-output Mercedes-Benz and Maybach engines
  • Loss of throttle response from inconsistent spark delivery
  • Service intervals where the original plug has reached wear limits

Installation Notes and Tips

  • Verify the engine application against the listed fitment before installation.
  • Do not gap the plug; the gap is preset from the factory.
  • Use the correct 16 mm spark plug socket and follow the vehicle service procedure.
  • Inspect coil boots, plug wells, and threads during replacement.
  • For dual-spark Mercedes-Benz V12 engines, confirm the correct plug location and service interval for the engine bank being serviced.

Quality Assurance

Bosch manufactures FR7KI332S as an OE Fine Wire Iridium spark plug for specified factory applications. The part number FR7KI332S is built to Bosch’s OE-style ignition standards for the listed Mercedes-Benz, Maybach, and Chevrolet fitments.

Related reading

This part fits 111 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2020Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2019Mercedes-BenzMaybach S6506.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2019Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2018Mercedes-BenzG65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2018Mercedes-BenzMaybach S6506.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2018Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2018Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2017Mercedes-BenzG65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2017Mercedes-BenzMaybach S6006.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2017Mercedes-BenzS6006.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2017Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2017Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2016Mercedes-BenzG65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2016Mercedes-BenzMaybach S6006.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2016Mercedes-BenzS6006.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2016Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2016Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2015Mercedes-BenzS6006.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2015Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2015Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2014Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2014Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2014Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2013Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2013Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2013Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2013Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2013Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012Maybach576.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012Maybach626.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011ChevroletVolt1.4LL4Do Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Maybach576.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Maybach626.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Mercedes-BenzSL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Maybach576.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Maybach626.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Mercedes-BenzSL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Maybach576.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Maybach626.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Mercedes-BenzSL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Maybach576.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Maybach626.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Mercedes-BenzSL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Maybach576.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Maybach626.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Mercedes-BenzSL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Maybach576.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Mercedes-BenzS65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Mercedes-BenzSL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005Mercedes-BenzCL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005Mercedes-BenzSL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005Mercedes-BenzSL65 AMG6.0LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004Mercedes-BenzSL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2003Maybach575.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2003Maybach625.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2003Mercedes-BenzCL6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2003Mercedes-BenzS6005.5LV12Do Not Gap, Gap is Preset; with Dual Spark Plugs; Original Center Electrode Material is Iridium; OE Fine Wire Iridium