NGK MAR9A-J 6869 Spark Plug Ducati Multistrada Diavel Panigale Monster Hypermotard
MAR9A-J-NGK
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NGK MAR9A-J (6869) Spark Plug
Performance Replacement for Ducati & BMW Motorcycles
The NGK MAR9A-J (Stock No. 6869) is a high-specification spark plug engineered specifically for modern, high-revving performance engines. Utilized as the original equipment on many Ducati models, this plug features a specialized multi-ground electrode design to provide consistent ignition and extended service life even under extreme thermal stress.
Key Features
- β Multi-Ground Electrodes: Improves ignition capability and longevity.
- β Trivalent Metal Plating: Superior anti-corrosion and anti-seizing.
- β Alumina Silicate Ceramic: Stronger insulator for optimal performance.
- β Triple Sealing: Eliminates combustion gas leakage.
Technical Specs
| Thread Diameter | 10mm (M10) |
| Thread Reach | 19mm (3/4") |
| Hex Size | 14mm (9/16") |
| Preset Gap | 0.8mm (.031") |
| Heat Range | 9 |
| Resistor | Yes (5k Ohm) |
| Terminal | Solid Nut |
Compatibility / Fitment Guide
| Make | Model Application | Year Range |
|---|---|---|
| Ducati | Multistrada 1200 / 1260 / 950 | 2010 - 2020+ |
| Ducati | Diavel / XDiavel 1200 / 1260 | 2011 - 2020+ |
| Ducati | Monster 821 / 1200 / 1200 S | 2014 - 2020+ |
| Ducati | Panigale 899 / 959 / 1199 / 1299 | 2012 - 2019 |
| Ducati | Hypermotard 821 / 939 / 950 | 2013 - 2020+ |
| BMW | HP2 Sport | 2008 - 2011 |
| Husqvarna | TR650 Terra / Strada | 2013 - 2014 |
OEM Cross Reference
| Ducati | 67040451A |
| Ducati | DU67040451A |
| NGK Stock Code | 6869 |
Questions & Answers
Is this a genuine original part?
This is a premium quality replacement part from 4Boats / Aftermarket, manufactured to the exact MAR9A-J technical specifications required by the original equipment manufacturer.
How do I know if it is compatible?
Please check your motorcycle's manual or the existing part in your engine. If it is stamped with "MAR9A-J" or matches the Ducati part number 67040451A, this is the correct component.
Why does it have two ground electrodes?
The dual ground design (multi-ground) provides multiple paths for the spark. This prevents the "shadowing" effect and ensures reliable combustion in high-compression performance engines, extending the service life of the plug.
Note: Please verify your original part number against the references above before purchasing. All technical data is sourced from manufacturer specifications at 4boats.co.uk.
For the products under Β£150 the shipping is Β£6.99.
Free delivery for most items over Β£150.
