ProTek RC Samurai RM.1, RM, CR21, S03 & R03 Idle Speed Needle O-Ring (2)

This is a pack of two replacement ProTek R/C Samurai 321B, RM.1, RM, CR21 S03 & R03 Idle Screw O-Rings. This o-ring seals the idle screw to the carburetor housing.

This product was added to our catalog on November 6, 2014

• ProTek R/C CR21
• ProTek R/C Samurai 321B

Alberto Verified Owner Wednesday, Oct 25 2023 (about a year ago) ProTek RC Samurai RM.1, RM, CR21, S03 & R03 Idle Speed Needle O-Ring (2) Direct replacement for OS 27881820. Same part but much cheaper. View all reviews