Wiseco Piston KIT STD for 2007-14 Yamaha YFM450 Grizzly 4x4 Auto

Wiseco Piston KIT STD for 2007-14 Yamaha YFM450 Grizzly 4x4 Auto is built for reliable engine performance, rebuild confidence and long service life.

Key Features

All Wiseco 4 cycle pistons come complete with rings, wrist pins and circlips
Only Wiseco replacement ring sets can be used on Wiseco pistons
All Wiseco 2 cycle pistons are supplied with rings and circlips
Wiseco 2 cycle pistons are not supplied with a wrist pin unless noted in the description. Part Number: 4939M08450 Fitment Primary fitment: 2007-14 Yamaha YFM450 Grizzly 4x4 Auto (see full list below) Yamaha 2022 YFM450 Kodiak 450 YFM450 Kodiak 450 EPS YFM450 Kodiak 450 EPS SE 2021 YFM450 Kodiak 450 YFM450 Kodiak 450 EPS YFM450 Kodiak 450 EPS SE 2020 YFM450 Kodiak 450 YFM450 Kodiak 450 EPS YFM450 Kodiak 450 EPS SE 2019 YFM450 Kodiak 450 YFM450 Kodiak 450 EPS YFM450 Kodiak 450 EPS SE 2018 YFM450 Kodiak 450 YFM450 Kodiak 450 EPS 2014 YFM450 Grizzly 4x4 Auto YFM450 Grizzly 4x4 Auto EPS 2013 YFM450 Grizzly 4x4 Auto YFM450 Grizzly 4x4 Auto EPS 2012 YFM450 Grizzly 4x4 Auto YFM450 Grizzly 4x4 Auto EPS 2011 YFM450 Grizzly 4x4 Auto YFM450 Grizzly 4x4 Auto EPS 2010 YFM450 Grizzly 4x4 Auto IRS YFM450FX Wolverine 4x4 2009 YFM450 Grizzly 4x4 Auto IRS YFM450FX Wolverine 4x4 YXR45F Rhino 450 2008 YFM450 Grizzly 4x4 Auto YFM450FX Wolverine 4x4 YXR45F Rhino 450 YXR45F Rhino 450 Special Edition 2007 YFM450 Grizzly 4x4 Auto YFM450FX Wolverine 4x4 YXR45F Rhino 450 YXR45F Rhino 450 Special Edition 2006 YFM450F Kodiak Auto 4x4 YFM450FX Wolverine 4x4 YXR45F Rhino 450 2005 YFM450F Kodiak Auto 4x4 2004 YFM450F Kodiak Auto 4x4 2003 YFM450F Kodiak Auto 4x4

Part Number: 4939M08450

Fitment

Primary fitment: 2007-14 Yamaha YFM450 Grizzly 4x4 Auto

Also fits select 2003-22 Yamaha YFM450 Kodiak 450, Yamaha YFM450 Kodiak 450 EPS, Yamaha YFM450 Kodiak 450 EPS SE models, and 6 more applications. Verify exact application before ordering.

Handling: Ships in 1 business day. Returns: 30 days, new/unused.

Steel Steeds is an independent retailer; Wiseco® is a trademark of its respective owner.

Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!

FAQs

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Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–5 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

Absolutely! Nearly every item we carry comes with a warranty tailored to that specific product. We stand behind the quality of the products we distribute and want you to ride with confidence. For full details, visit our dedicated warranty page—and rest assured, we’ve got you covered every step of the way!