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๐ Upgrade your rideโs stopping power โ donโt get left behind!
This Front Brake Master Cylinder by Saihisday is a precision-engineered replacement part compatible with numerous Yamaha ATV models from 1987 to 2014. Featuring a 1.4 cm piston bore and a 7/8" handlebar fit, it offers plug-and-play installation typically under 30 minutes. Crafted from durable ABS with a chrome finish, it combines reliability with style. Highly rated by over 650 users, itโs the go-to upgrade for enhanced braking performance and safety.






















| ASIN | B01M2A813H |
| Additional Features | Easy to Install |
| Best Sellers Rank | #60,447 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Replacement Wheel Cylinder Brake Parts |
| Brand | Saihisday |
| Brand Name | Saihisday |
| Color | Chrome |
| Customer Reviews | 4.6 out of 5 stars 657 Reviews |
| Exterior Finish | Chrome |
| Finish Types | Oil Rubbed |
| Hand Orientation | Right |
| Handle Attachment Mechanism | Banjo Bolt |
| Handle Compatibility | Model Specific, Size Specific |
| Handle Material | Acrylonitrile Butadiene Styrene |
| Handle Type | Lever |
| Included Components | Key |
| Item Dimensions L x W | 0.39"L x 0.05"W |
| Item Weight | 440 g |
| Lock Type | Key Lock |
| Manufacturer | QUIOSS |
| Manufacturer Part Number | 4WV-25870-00-00 |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |
| Model Number | 4WV-25870-00-00 |
| Number of Items | 1 |
| Product Dimensions | 0.39"L x 0.05"W |
| Shape | Cylindrical |
| Style | Classic |
| Style Name | Classic |
| Theme | Motorcycle |
| UPC | 642954876739 |
| Unit Count | 1 Count |
A**H
Great master cylinder
Works very well
I**N
Works as it should.
Worked perfectly on my 2002 yamaha big bear 400 4x4....
D**E
Brake install
It fit but needed some grinding on the handle bar to fit properly
M**D
Fit great
Fit my old big bear,bolted right up
C**J
Good!
A bit larger of a reservoir than the original one on Big Bear, bit of an upgrade Iโd say! Works well
J**Y
Itโs confused but working
Works well as intended. I may have ordered wrong, but the visual gauge is on the opposite side of original. Still works the same.
M**D
It works
Good replacement. Used on 05 250 bear tracker
J**S
Easy to order on amazon
Works as advertised and easy to install
J**S
Perfect fit
Works perfectly
B**R
Master Cylinder.
Worked well, as advertised & quality was ok.
W**0
Worked perfectlyy
Arrived on time and as ordered
A**R
awesome seller
perfect fit ,item as described 100% satisfied
E**ร
Fonctionne trรจs bien
Comme l'original
Trustpilot
5 days ago
3 days ago