Add your ride
0 $0.00
Partiron

Find Parts for Your Machine

1Type
ATV/UTV Dirt bike Snowmobiles Street Bike Watercraft
2Year
3Make
4Model
Yamaha OEM Part 1UY-W0057-50-00 PISTON ASSY, CALIPER

Image for illustration only; it does not show the actual part or its packaging.

Yamaha OEM Part 1UY-W0057-50-00 PISTON ASSY, CALIPER

  • Product Code: 1UY-W0057-50-00

$103.78

  • Genuine Yamaha OEM part
  • New in original packaging
  • Fits the models listed in the fitment chart
  • Easy, no-hassle returns

This product is vehicle specific.

Find your vehicle to make sure this part fits before you order.

Find Your Vehicle
Add to Cart

Ships in 4 to 9 days

Genuine Yamaha OEM Piston Assembly, Caliper (part number 1UY-W0057-50-00) from the Rear Brake Caliper diagram. It fits Yamaha Banshee 350, Warrior 350, Wolverine 350, Raptor 350, Raptor 250, Raptor 125 and 8 more built from 1987 to 2013.

Fits these models

  • Banshee 350: 1987–2006
  • Warrior 350: 1987–2004
  • Wolverine 350: 1995–2005
  • 660R Raptor: 2001–2002, 2004–2005
  • Raptor Limted Edition - Black 660: 2002
  • Blaster 200: 2003–2006
  • Raptor 660R: 2003
  • Raptor Black 660: 2003
  • Raptor 350: 2004–2013
  • YFZ450: 2004–2005
  • Raptor 660: 2005
  • Banshee Sp 350: 2006
  • Raptor 250: 2008–2013
  • Raptor 125: 2011–2013

See the Fitment tab for the full list with model codes.

Need Help Finding the Right Part?

Not sure it fits? Ask before you order — our team will check the part for your machine.

For a faster answer, include:

  • Year, make and model of your machine
  • VIN or frame / serial number
  • OEM part number or a photo of the old part
Email Us (630) 886-1221

Find your ride

Check your current ride below to confirm product compatibility.

Yamaha

Part Details

Brand Yamaha
Sku 1UY-W0057-50-00
Name PISTON ASSY, CALIPER

Free Shipping on Orders Over $99

Free ground shipping on US orders over $99, with tracking. Delivery time is shown before you pay, so you know when it arrives.

Support From People Who Ride

Not sure about size or fit? Ask us before you order. Our team rides too and will help you pick what suits your bike.

Genuine OEM & Trusted Brands

OEM parts for Honda, Yamaha, Kawasaki, Can-Am, Polaris and more, plus gear from makers riders trust. No no-name imports.

Parts That Fit Your Machine

Enter your machine’s type, year, make and model, and we’ll show only the parts and gear that fit it.