Mercury – Primer Bulb | Fuel System Component | Rubber Composite | 8M0061876Mercury Primer Bulb Fuel System Component Rubber Composite 8M0061876 Overview Every boater knows that the day goes smoother when your engine fires up without hesitation. Theres a simple comfort in squeezing a primer bulb and feeling that steady pulse of fuel heading toward the motorno guessing, no struggling, just clean, reliable pressure. Thats exactly what the Mercury 8M0061876 Primer Bulb delivers. Its one of those small but critical pieces that