Exterior Components› Body Panels and Components
Bikers Choice
Bikers Choice L87-17 Big Twin (Exc.08-Up FLH/FLT) L87-03 XL Rear Master Cyl Rbld Kit H-D 42382-87C
SKU: B0A9 601531
Easy — 1–2 hours
Description
Part #: 601531
Renew your brake performance with Biker's Choice direct OE replacement rear master cylinder rebuild kit. Kit includes the inner workings necessary to rebuild your rear master cylinde.
Rear Master Cylinder Rebuild Kit, OEM# 40392-91, 42382-87A, 42382-87C
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Bikers Choice |
| Part Number | B0A9 601531 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy