# Bosch Fuel Injector O-Ring – Brown

This brown Bosch/universal fuel injector O-ring is part of our color-coded O-ring lineup, letting rebuilders keep track of seal compounds at a gla injectors, and the Mercury four-stroke EV fuel injector.

For Mercury Optimax bottom seal applications, use the Viton version (21018V) instead.

Dimensions: 5/16" ID x 9/16" OD x 1/8" CS (7.52mm ID x 3.53mm CS). Also available in black, blue, red, yellow, and green.