SUNSTAR 3A312 Front Countershaft Sprocket, 12-Tooth, 520 Chain

The SUNSTAR 3A312 front countershaft sprocket is designed as a 12-tooth sprocket for 520 chain applications. It fits Suzuki RM-Z450 motorcycles from model years 2008 through 2017, providing a direct-fit replacement option for compatible applications.

Manufactured from case-hardened chromoly steel, this sprocket is built for strength and durability. Its Parkerizing surface treatment helps resist rust and corrosion, supporting reliable performance in demanding riding conditions.

Part number 3A312 is suitable for the following applications: 2008–2017 Suzuki RM-Z450.

Features:

• Tooth count: 12
• Chain size: 520
• Manufactured from case-hardened chromoly steel for strength and durability
• Parkerizing surface treatment for rust and corrosion resistance
• Fits 2008–2017 Suzuki RM-Z450 models

Fitment:
2005 Suzuki RM-Z450
2006 Suzuki RM-Z450
2007 Suzuki RM-Z450
2008 Suzuki RM-Z450
2009 Suzuki RM-Z450
2010 Suzuki RM-Z450
2010 Suzuki RMX450Z
2011 Suzuki RM-Z450
2011 Suzuki RMX450Z
2012 Suzuki RM-Z450
2012 Suzuki RMX450Z
2013 Suzuki RM-Z450
2013 Suzuki RMX450Z
2014 Suzuki RM-Z450
2014 Suzuki RMX450Z
2015 Suzuki RM-Z450
2015 Suzuki RMX450Z
2016 Suzuki RM-Z450
2016 Suzuki RMX450Z
2017 Suzuki RM-Z450
2017 Suzuki RMX450Z
2018 Suzuki RM-Z450
2018 Suzuki RMX450Z
2019 Suzuki RM-Z450
2019 Suzuki RMX450Z
2020 Suzuki RM-Z450