This Wilwood O-ring is listed as .487-inch ID 2-112 for 211B/C applications and serves as a replacement caliper seal where that size is specified. It provides the necessary sealing surface within compatible Wilwood components to maintain hydraulic integrity. Use this O-ring during caliper rebuilds or maintenance when the original .487" inner diameter seal must be matched.
Wilwood .487 ID 2-112 O-Ring 211B/C