{"product_id":"all-balls-brake-caliper-piston-kit-18-9040-for-yamaha-grizzly-550","title":"All Balls Brake Caliper Piston Kit 18-9040 for Yamaha Grizzly 550","description":"\u003cp\u003eThe All Balls Brake Caliper Piston Kit, manufacturer part number 18-9040 and vendor part number 21-89040, is designed to rebuild one brake caliper on select Yamaha Grizzly 550 ATVs. This precision replacement kit is engineered for reliable fitment on 2009–2014 Yamaha YFM550FG Grizzly FI 4WD models with IRS, as well as 2009–2012 Yamaha YFM550FGP Grizzly FI 4WD EPS models with IRS. Verify your vehicle configuration and caliper application before installation.\u003c\/p\u003e\u003cp\u003eEach All Balls kit includes the piston or pistons required to rebuild one caliper. The pistons are precision machined from high-grade 304 stainless steel, providing a durable alternative to original plastic composite, chrome-plated steel, and aluminum pistons. Stainless steel construction helps reduce thermal conductivity by up to 93% compared with aluminum, while resisting the corrosion and age-related brittleness commonly associated with other piston materials.\u003c\/p\u003e\u003cp\u003eThis brake caliper piston kit also eliminates failure-prone ceramic inserts used in some KTM applications, although fitment is specific to the Yamaha models listed above. Use the All Balls 18-9040 kit when restoring caliper performance during brake system service or rebuilding. Professional installation and inspection of seals, bores, brake fluid, and related components are recommended to support proper braking operation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision machined from high-grade 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eReduces thermal conductivity by up to 93% compared with aluminum\u003c\/li\u003e\n\u003cli\u003eProvides a durable replacement for plastic composite pistons that can become brittle with age\u003c\/li\u003e\n\u003cli\u003eHelps replace OEM chrome-plated steel and aluminum pistons that are prone to corrosion\u003c\/li\u003e\n\u003cli\u003eEliminates failure-prone ceramic inserts found on some KTM models\u003c\/li\u003e\n\u003cli\u003eIncludes the piston or pistons required to rebuild one brake caliper\u003c\/li\u003e\n\u003cli\u003eFits select 2009–2014 Yamaha YFM550FG Grizzly FI 4WD IRS models\u003c\/li\u003e\n\u003cli\u003eFits select 2009–2012 Yamaha YFM550FGP Grizzly FI 4WD EPS IRS models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2007 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2008 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2008 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2009 Yamaha YFM550 Grizzly EPS Hunter 4WD\u003cbr\u003e\n2009 Yamaha YFM550 Grizzly Hunter 4WD\u003cbr\u003e\n2009 Yamaha YFM550FG Grizzly FI 4WD [IRS]\u003cbr\u003e\n2009 Yamaha YFM550FGP Grizzly FI 4WD EPS [IRS]\u003cbr\u003e\n2009 Yamaha YFM700 Grizzly Hunter 4WD\u003cbr\u003e\n2009 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2009 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2009 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2010 Yamaha YFM550 Grizzly EPS Hunter 4WD\u003cbr\u003e\n2010 Yamaha YFM550 Grizzly Hunter 4WD\u003cbr\u003e\n2010 Yamaha YFM550FG Grizzly FI 4WD [IRS]\u003cbr\u003e\n2010 Yamaha YFM550FGP Grizzly FI 4WD EPS [IRS]\u003cbr\u003e\n2010 Yamaha YFM700 Grizzly Hunter 4WD\u003cbr\u003e\n2010 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2010 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2010 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2011 Yamaha YFM550 Grizzly EPS Hunter 4WD\u003cbr\u003e\n2011 Yamaha YFM550 Grizzly Hunter 4WD\u003cbr\u003e\n2011 Yamaha YFM550FG Grizzly FI 4WD [IRS]\u003cbr\u003e\n2011 Yamaha YFM550FGP Grizzly FI 4WD EPS [IRS]\u003cbr\u003e\n2011 Yamaha YFM700 Grizzly Hunter 4WD\u003cbr\u003e\n2011 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2011 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2011 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2012 Yamaha YFM550 Grizzly EPS Hunter 4WD\u003cbr\u003e\n2012 Yamaha YFM550 Grizzly Hunter 4WD\u003cbr\u003e\n2012 Yamaha YFM550FG Grizzly FI 4WD [IRS]\u003cbr\u003e\n2012 Yamaha YFM550FGP Grizzly FI 4WD EPS [IRS]\u003cbr\u003e\n2012 Yamaha YFM700 Grizzly Hunter 4WD\u003cbr\u003e\n2012 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2012 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2012 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2013 Yamaha YFM550 Grizzly EPS Hunter 4WD\u003cbr\u003e\n2013 Yamaha YFM550 Grizzly Hunter 4WD\u003cbr\u003e\n2013 Yamaha YFM550FG Grizzly FI 4WD [IRS]\u003cbr\u003e\n2013 Yamaha YFM550FGP Grizzly FI 4WD EPS [IRS]\u003cbr\u003e\n2013 Yamaha YFM700 Grizzly Hunter 4WD\u003cbr\u003e\n2013 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2013 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2013 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2014 Yamaha YFM550 Grizzly EPS Hunter 4WD\u003cbr\u003e\n2014 Yamaha YFM550 Grizzly Hunter 4WD\u003cbr\u003e\n2014 Yamaha YFM550FG Grizzly FI 4WD [IRS]\u003cbr\u003e\n2014 Yamaha YFM550FGP Grizzly FI 4WD EPS [IRS]\u003cbr\u003e\n2014 Yamaha YFM700 Grizzly Hunter 4WD\u003cbr\u003e\n2014 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2014 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2014 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2015 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2015 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2015 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2016 Yamaha YFM700 Grizzly Hunter 4WD\u003cbr\u003e\n2016 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2016 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2016 Yamaha YFM700G Grizzly Fi 4WD [IRS]\u003cbr\u003e\n2017 Yamaha YFM700 Grizzly Hunter 4WD\u003cbr\u003e\n2017 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2017 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2018 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2018 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]\u003cbr\u003e\n2018 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2019 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2019 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]\u003cbr\u003e\n2019 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2020 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2020 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]\u003cbr\u003e\n2020 Yamaha YFM700F Grizzly Fi 4WD EPS XT-R [IRS]\u003cbr\u003e\n2020 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2021 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2021 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]\u003cbr\u003e\n2021 Yamaha YFM700F Grizzly Fi 4WD EPS XT-R [IRS]\u003cbr\u003e\n2021 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2022 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2022 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]\u003cbr\u003e\n2022 Yamaha YFM700F Grizzly Fi 4WD EPS XT-R [IRS]\u003cbr\u003e\n2022 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2023 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2023 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]\u003cbr\u003e\n2023 Yamaha YFM700F Grizzly Fi 4WD EPS XT-R [IRS]\u003cbr\u003e\n2023 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2024 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2024 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]\u003cbr\u003e\n2024 Yamaha YFM700F Grizzly Fi 4WD EPS XT-R [IRS]\u003cbr\u003e\n2024 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2025 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2025 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]\u003cbr\u003e\n2025 Yamaha YFM700F Grizzly Fi 4WD EPS XT-R [IRS]\u003cbr\u003e\n2025 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]\u003cbr\u003e\n2026 Yamaha YFM700F Grizzly Fi 4WD EPS Hunter [IRS]\u003cbr\u003e\n2026 Yamaha YFM700F Grizzly Fi 4WD EPS XT-R [IRS]\u003cbr\u003e\n2026 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]","brand":"ALL BALLS","offers":[{"title":"Default Title","offer_id":67551698321643,"sku":"21-89040","price":50.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/32ab-6286b0a4bd54c.jpg?v=1790721238","url":"https:\/\/ctracingservices.com\/products\/all-balls-brake-caliper-piston-kit-18-9040-for-yamaha-grizzly-550","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}