Engines and Components› Camshafts and Valvetrain

LEWMAR

ADAPTOR REDUCING 1/2BSPX3/8BSP

$35.00

SKU: L03I B8645

Out of Stock
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sirco B8645 is a camshaft repair kit designed for Meritor 12-1/4in Q Type and 16-1/2in 4000-6000 trailer axles. This kit is specifically for axles without a support bracket. It serves as an aftermarket replacement for the Sirco B8645.

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

BrandLEWMAR
Part NumberL03I B8645

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