Sale

Engines and Components Oiling Systems

Radium Engineering

Radium Engineering AOS-R O-Ring Service Kit

$9.95 $9.45 Save $0.50

SKU: R005 20-0685

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

Beginner — under 30 min

Description

This kit includes various o-rings to service the body, dipstick, water passage plate, and coolant fittings of the AOS-R.

Included in this kit are two large black o-rings for the body, one small black o-ring for the dipstick, one large and one small black o-ring for the water passage plate, and two small brown o-rings for the coolant fittings. These parts are commonly used and serviced components for Radium Engineering's Air Oil Separator systems.

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

BrandRadium Engineering
Part NumberR005 20-0685

Videos

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