NGK 4374 spark plug for the 2017-2020 Aprilia Dorsoduro 900 896cc and other vehicles ignites the air-fuel mixture in the cylinder. It is one of the NGK spark plugs in the Standard line, engineered for OE applications.
- Nickel alloy center electrode for consistent performance
- Trivalent metal plating that resists corrosion and seizing, for easier installation and removal
- High-grade alumina silicate ceramic insulator for dielectric performance
- Solid 98% pure copper core for heat dissipation, conductivity and wide heat ranges
- Cold-rolled threads that help prevent cross-threading and cylinder head damage
- NGK Standard line
Quick facts
- Part: NGK 4374 spark plug
- Fits: 2017-2020 Aprilia Dorsoduro 900 896cc and other vehicles
- Condition: New
A worn plug can show up as hard starting, misfires or a rough idle. A weak coil, a fuel delivery problem or a vacuum leak can be behind those signs too, so find the cause before buying plugs. This plug is meant to replace nickel alloy plugs and is not recommended where the factory plugs are precious metal.
Fits
It is listed for a wide range of Aprilia, Ski-Doo, Vespa and Moto Guzzi models, including the 2011-2019 Ski-Doo Expedition LE 4-Tec 1200 1171cc and the 2011-2019 Ski-Doo Expedition SE 4-Tec 1200 1171cc.
Specifications
Fit and size
- Thread size: M10 - 1.0
- Quantity per vehicle: varies by application
Build and materials
- Type: Standard
- Center electrode: nickel alloy
- Ground electrode: multi-ground
- Core: solid copper
- Plating: trivalent metal
- NGK part number: CR8EKB
- Condition: New
In the box
This listing is one spark plug. The quantity depends on the vehicle: the 2017-2020 Aprilia Dorsoduro 900 896cc takes four, so order four and fit them together.
Interchange: 09482-00581
639687 · CR8EKB · 768228
This part cross-references / interchanges with the following part numbers:
639687, 4374, CR8EKB, 768228, 09482-00581, 0948200581
Frequently Asked Questions
Is the NGK 4374 spark plug right for the 2017-2020 Aprilia Dorsoduro 900 896cc?
Yes, NGK 4374 is listed for the 2017-2020 Aprilia Dorsoduro 900 896cc, which takes four. For any other model or engine, look it up in the "Vehicles it fits" section.
Does the NGK 4374 fit the 2011-2019 Ski-Doo Expedition LE 4-Tec 1200 1171cc?
Yes. The 2011-2014 years take one plug and the 2015-2019 years take three of this NGK 4374 spark plug.
What thread size does the NGK 4374 spark plug have?
The NGK 4374 has an M10 - 1.0 metric thread and a multi-ground electrode.
What is the center electrode of this NGK spark plug made of?
The center electrode is nickel alloy, and the plug has a solid 98% pure copper core. It is not recommended on engines that have factory precious metal plugs.
Is NGK CR8EKB the same plug as the NGK 4374?
Yes. CR8EKB is NGK's other number for this plug, whose stock number is 4374.
