'%3e%3cpath%20d='M41,17.5H30V11a5.006,5.006,0,0,0-5-5H7a5.006,5.006,0,0,0-5,5V23a5.006,5.006,0,0,0,5,5v2.09A2,2,0,0,0,10.417,31.5a.892.892,0,0,0,.1-.114L13.005,28H18v6.5a5.006,5.006,0,0,0,5,5H34.086l3.5,3.5A2,2,0,0,0,41,41.586V39.5a5.006,5.006,0,0,0,5-5v-12a5.006,5.006,0,0,0-5-5ZM12.5,26a1,1,0,0,0-.8.407L9,30.067V27a1,1,0,0,0-1-1H7a3,3,0,0,1-3-3V11A3,3,0,0,1,7,8H25a3,3,0,0,1,3,3v6.5H23a4.957,4.957,0,0,0-2.951.985l-3.139-6.9a1,1,0,0,0-1.82,0l-5,11a1,1,0,0,0,.5,1.324A.982.982,0,0,0,11,24a1,1,0,0,0,.91-.586L13.462,20H18.54l.071.155A4.939,4.939,0,0,0,18,22.5V26Zm5.131-8h-3.26L16,14.416ZM44,34.5a3,3,0,0,1-3,3H40a1,1,0,0,0-1,1v3.086l-3.793-3.793A1,1,0,0,0,34.5,37.5H23a3,3,0,0,1-3-3v-12a3,3,0,0,1,3-3H41a3,3,0,0,1,3,3Z'%20fill='%23fff'/%3e%3cpath%20d='M37,25H33V23a1,1,0,0,0-2,0v2H27a1,1,0,0,0,0,2h7.42a6.96,6.96,0,0,1-2.426,4.348A6.974,6.974,0,0,1,30.171,29a1,1,0,1,0-1.806.858A8.863,8.863,0,0,0,30.24,32.43a7.128,7.128,0,0,1-2.811.57.97.97,0,0,0-.965,1A1.031,1.031,0,0,0,27.5,35a8.932,8.932,0,0,0,4.52-1.23A9.127,9.127,0,0,0,36.571,35a.97.97,0,0,0,.965-1A1.031,1.031,0,0,0,36.5,33a6.949,6.949,0,0,1-2.72-.566A8.97,8.97,0,0,0,36.441,27H37a1,1,0,0,0,0-2Z'%20fill='%23fff'/%3e%3c/g%3e%3c/svg%3e){kind=small}
'%3e%3cpath%20d='M51.447,12.894a6.447,6.447,0,1,1,6.447-6.447,6.454,6.454,0,0,1-6.447,6.447m0-11.052a4.605,4.605,0,1,0,4.605,4.605,4.61,4.61,0,0,0-4.605-4.605'%20transform='translate(3759.075%20-297.591)'%20fill='%23fff'/%3e%3cpath%20d='M21.184,119.052a.921.921,0,0,1-.921-.921,9.2,9.2,0,0,0-1.835-5.929,6.792,6.792,0,0,0-5.534-2.361H9.21A6.791,6.791,0,0,0,3.677,112.2a9.2,9.2,0,0,0-1.835,5.929.921.921,0,1,1-1.842,0,11,11,0,0,1,2.255-7.1A8.659,8.659,0,0,1,9.21,108h3.684a8.66,8.66,0,0,1,6.956,3.032,11,11,0,0,1,2.255,7.1.921.921,0,0,1-.921.921'%20transform='translate(3799.47%20-394.539)'%20fill='%23fff'/%3e%3c/g%3e%3c/svg%3e){kind=small}
'%3e%3cpath%20d='M10.97,18.74a.913.913,0,0,1-.487-.141C6.568,16.134,0,11.212,0,5.942A5.949,5.949,0,0,1,5.942,0,6.658,6.658,0,0,1,10.97,2.348,6.658,6.658,0,0,1,16,0a5.949,5.949,0,0,1,5.942,5.942c0,5.27-6.568,10.192-10.483,12.657a.913.913,0,0,1-.487.141M5.942,1.828A4.118,4.118,0,0,0,1.828,5.942c0,3.122,3.324,7.041,9.141,10.8,5.818-3.759,9.141-7.678,9.141-10.8A4.118,4.118,0,0,0,16,1.828a4.594,4.594,0,0,0-4.176,2.618.914.914,0,0,1-1.7,0A4.594,4.594,0,0,0,5.942,1.828'%20fill='%23fff'/%3e%3c/g%3e%3c/svg%3e){kind=small}
'%20clip-path='url(%23a)'%3e%3cpath%20d='M29.737,167.485a2.742,2.742,0,1,1,2.742-2.742,2.746,2.746,0,0,1-2.742,2.742m0-3.657a.914.914,0,1,0,.914.914.915.915,0,0,0-.914-.914'%20transform='translate(-24.253%20-145.545)'%20fill='%23fff'/%3e%3cpath%20d='M155.737,167.485a2.742,2.742,0,1,1,2.742-2.742,2.745,2.745,0,0,1-2.742,2.742m0-3.657a.914.914,0,1,0,.914.914.915.915,0,0,0-.914-.914'%20transform='translate(-137.455%20-145.545)'%20fill='%23fff'/%3e%3cpath%20d='M18.282,18.283H5.484a.914.914,0,0,1-.909-.813L2.838,1.828H.914A.914.914,0,1,1,.914,0H3.657a.914.914,0,0,1,.91.823c.037.34,1.373,12.36,1.736,15.631h11.98a.914.914,0,1,1,0,1.828'%20fill='%23fff'/%3e%3cpath%20d='M48.056,46.97H32.923a.914.914,0,1,1,0-1.828H47.237l.621-5.589L31.81,37.824a.914.914,0,0,1,.2-1.818l16.961,1.828a.914.914,0,0,1,.811,1.01l-.813,7.313a.914.914,0,0,1-.909.813'%20transform='translate(-27.845%20-32.344)'%20fill='%23fff'/%3e%3c/g%3e%3c/svg%3e){kind=small}
NGK SPARK PLUGS - SPARK PLUG NGK R0409B-8 - 21030032
85,91incl. VAT
'%20fill='%2369cc43'/%3e%3c/svg%3e)
Free pick up and return in our store- Free delivery from 150,-
- 30-day return period
- 10% discount on your first order
- 9.8/10 (8 reviews)
'%3e%3cpath%20d='M8.808,0c.2.489.374.935.552,1.382q.9,2.265,1.8,4.532a.23.23,0,0,0,.235.171c1.527.1,3.054.2,4.58.3l1.665.106c-.074.067-.117.107-.161.145q-2.31,1.959-4.623,3.915a.245.245,0,0,0-.1.291q.769,2.987,1.527,5.977c.013.049.022.1.039.178-.073-.043-.126-.072-.176-.1Q11.569,15.26,8.99,13.626a.287.287,0,0,0-.364-.005q-2.575,1.64-5.158,3.266c-.053.034-.108.065-.188.114.112-.446.217-.867.324-1.287q.62-2.438,1.246-4.875a.244.244,0,0,0-.1-.291Q2.434,8.586.12,6.619c-.038-.032-.08-.06-.12-.09L.021,6.49c.25-.018.5-.039.751-.055C2.6,6.316,4.422,6.2,6.248,6.084c.141-.009.168-.087.207-.184L8.715.217C8.738.158,8.764.1,8.808,0'%20fill='%23fbcd59'/%3e%3c/g%3e%3c/svg%3e)
Home'%20fill='%23001C36'/%3e%3c/svg%3e){kind=small}
NGK SPARK PLUGS - SPARK PLUG NGK R0409B-8 - 21030032
NGK SPARK PLUGS - SPARK PLUG NGK R0409B-8 - 21030032
- The ultimate in the evolution of spark plug technology and performance from the industry leader
- The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode
- Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
- New metal shell plating has enhanced anti-corrosion qualities
Specifications
| Type | Resistor |
|---|---|
| Thread Reach | 19,1 mm (3/4") |
| Spark Gap Metric | 0.7 mm |
| Spark Gap Imperial | 0.028" |
| Center Electrode Type | Fine Wire |
| Electrode Tip Material | Iridium |
| Ground Electrode Shape | Taper Cut |
| Terminal Configuration | Threaded Stud |
| Center Electrode Projection | Non-Projected |
| Thread Size | 10 mm |
| Heat Range | 8 |
|---|---|
| Brand | NGK SPARK PLUGS |
| Style | Iridium Racing |
| Units | Each |
| Product Name | Spark Plug |
| Model | R0409B-8 |
| Electrical Resistance | 5k Ohms |
| Hex Size | 16 mm (5/8") |
| Spark Gap | 0,7 mm (0,028") |
| Ground Electrode Configuration | Single |
'%3e%3cpath%20d='M20.3,42.258H15.935a1.474,1.474,0,0,1-1.283-.762L7.158,28.135,20.3,38.013ZM1.321,18.856.575,20.175a4.448,4.448,0,0,0-.01,4.356L11.941,44.814a3,3,0,0,0,2.605,1.548h9.738V35.929Z'%20transform='translate(0%201.663)'%20fill='%23fff'/%3e%3cpath%20d='M34.31,42.267h-4.3l-.045-4.211,13.075-9.832L35.593,41.5a1.474,1.474,0,0,1-1.283.763m14.556-23.5L25.979,35.97v10.4h9.873a2.762,2.762,0,0,0,2.4-1.429l11.5-20.506a4.226,4.226,0,0,0-.016-4.148Z'%20transform='translate(2.291%201.654)'%20fill='%23fff'/%3e%3cpath%20d='M8.374,15.67,10.38,12.1l15.627,11.75L41.635,12.128l2,3.575L26.029,28.943ZM32.031,4.1l-5.9,4.439L20.026,4.1Zm11.6,3.2a1.122,1.122,0,0,0-1.659-.373L28,17.315v-5.1L39.448,3.607A2.069,2.069,0,0,0,40,.972,1.842,1.842,0,0,0,38.392,0H13.671a1.939,1.939,0,0,0-1.692,1.013A1.968,1.968,0,0,0,12.5,3.529L24.013,12.21v5.076L10.19,6.821a1.121,1.121,0,0,0-1.661.356L3.067,16.842l22.94,17.2,22.876-17.2Z'%20transform='translate(0.27)'%20fill='%23fff'/%3e%3cpath%20d='M20.3,92.415H15.935a1.474,1.474,0,0,1-1.283-.762L7.158,78.292,20.3,88.17ZM1.321,69.013.575,70.332a4.448,4.448,0,0,0-.01,4.356L11.941,94.971a3,3,0,0,0,2.605,1.548h9.738V86.086Z'%20transform='translate(0%206.085)'%20fill='%23fff'/%3e%3cpath%20d='M34.31,92.425h-4.3l-.045-4.211,13.075-9.832-7.449,13.28a1.474,1.474,0,0,1-1.283.763m14.556-23.5L25.979,86.128v10.4h9.873a2.762,2.762,0,0,0,2.4-1.429l11.5-20.506a4.226,4.226,0,0,0-.016-4.148Z'%20transform='translate(2.291%206.077)'%20fill='%23fff'/%3e%3cpath%20d='M8.374,65.827l2.006-3.575L26.007,74,41.635,62.285l2,3.575L26.029,79.1ZM32.031,54.259l-5.9,4.439-6.1-4.439Zm11.6,3.2a1.122,1.122,0,0,0-1.659-.373L28,67.472v-5.1l11.449-8.609A2.069,2.069,0,0,0,40,51.129a1.842,1.842,0,0,0-1.612-.972H13.671a1.939,1.939,0,0,0-1.692,1.013,1.968,1.968,0,0,0,.522,2.516l11.512,8.681v5.076L10.19,56.978a1.121,1.121,0,0,0-1.661.356L3.067,67l22.94,17.2L48.882,67Z'%20transform='translate(0.27%204.422)'%20fill='%23fff'/%3e%3cpath%20d='M20.3,142.573H15.935a1.474,1.474,0,0,1-1.283-.762L7.158,128.45,20.3,138.328Zm-18.976-23.4L.575,120.49a4.448,4.448,0,0,0-.01,4.356l11.376,20.284a3,3,0,0,0,2.605,1.548h9.738V136.244Z'%20transform='translate(0%2010.508)'%20fill='%23fff'/%3e%3cpath%20d='M34.31,142.582h-4.3l-.045-4.211,13.075-9.832-7.449,13.28a1.474,1.474,0,0,1-1.283.763m14.556-23.5L25.979,136.285v10.4h9.873a2.762,2.762,0,0,0,2.4-1.429l11.5-20.506a4.226,4.226,0,0,0-.016-4.148Z'%20transform='translate(2.291%2010.499)'%20fill='%23fff'/%3e%3cpath%20d='M8.374,115.984l2.006-3.575,15.627,11.75,15.628-11.717,2,3.575L26.029,129.257Zm23.657-11.567-5.9,4.439-6.1-4.439Zm11.6,3.2a1.122,1.122,0,0,0-1.659-.373L28,117.629v-5.1l11.449-8.609A2.069,2.069,0,0,0,40,101.286a1.842,1.842,0,0,0-1.612-.972H13.671a1.939,1.939,0,0,0-1.692,1.013,1.968,1.968,0,0,0,.522,2.516l11.512,8.681V117.6L10.19,107.135a1.121,1.121,0,0,0-1.661.356l-5.463,9.665,22.94,17.2,22.876-17.2Z'%20transform='translate(0.27%208.845)'%20fill='%23fff'/%3e%3cpath%20d='M20.3,192.73H15.935a1.474,1.474,0,0,1-1.283-.762L7.158,178.607,20.3,188.485Zm-18.976-23.4-.746,1.319A4.448,4.448,0,0,0,.565,175l11.376,20.284a3,3,0,0,0,2.605,1.548h9.738V186.4Z'%20transform='translate(0%2014.93)'%20fill='%23fff'/%3e%3cpath%20d='M34.31,192.739h-4.3l-.045-4.211L43.042,178.7l-7.449,13.28a1.474,1.474,0,0,1-1.283.763m14.556-23.5L25.979,186.442v10.4h9.873a2.762,2.762,0,0,0,2.4-1.429l11.5-20.506a4.226,4.226,0,0,0-.016-4.148Z'%20transform='translate(2.291%2014.922)'%20fill='%23fff'/%3e%3cpath%20d='M8.374,166.141l2.006-3.575,15.627,11.75L41.635,162.6l2,3.575L26.029,179.414Zm23.657-11.567-5.9,4.439-6.1-4.439Zm11.6,3.2a1.122,1.122,0,0,0-1.659-.373L28,167.786v-5.1l11.449-8.609A2.069,2.069,0,0,0,40,151.443a1.842,1.842,0,0,0-1.612-.972H13.671a1.939,1.939,0,0,0-1.692,1.013A1.968,1.968,0,0,0,12.5,154l11.512,8.681v5.076L10.19,157.292a1.121,1.121,0,0,0-1.661.356l-5.463,9.665,22.94,17.2,22.876-17.2Z'%20transform='translate(0.27%2013.267)'%20fill='%23fff'/%3e%3c/g%3e%3c/svg%3e)
Don’t miss any deals or updates!
Just like tens of thousands of other offroad enthusiasts, be the first to receive our daily deals and the latest products, exclusive offers only for newsletter subscribers, tips and inspiration for offroad fans, and much more. As a welcome gift, you’ll now receive 10% off your first order. You can unsubscribe at any time!
- Free pick up and return in our store
- Free delivery from 150,-
- 30-day return period
- 10% discount on your first order
- 9.8/10 (8 reviews)
'/%3e%3c/svg%3e){kind=small}
'/%3e%3c/svg%3e){kind=small}
'/%3e%3c/svg%3e){kind=small}
'/%3e%3c/svg%3e){kind=small}
Copyright 2025 - Hajo Trade
'%20fill='%23fff'%20fill-rule='evenodd'/%3e%3c/svg%3e){kind=small}