Wiseco Yamaha YFM 350 83.0mm (4419M) Piston PK 1018 for 1987-2004 Yamaha YFM350X Warrior

Wiseco Yamaha YFM 350 83.0mm (4419M) Piston PK 1018 for 1987-2004 Yamaha YFM350X Warrior is built to support reliable engine performance, durability and confidence during rebuilds or routine service.

Key Features

Size or specification is listed in the title to help match your exact setup
Compatible with multiple applications; verify your exact year, make and model before ordering
Designed to meet the demands of trail, track and recreational riding
Quality construction for dependable fit and long-term performance

Part Number: PK1018

Fitment

Primary fitment: 1987-2004 Yamaha YFM350X Warrior

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!