Standard Primer Bulb – 8mm (5/16") Bulb Only – Jaycar MGC105

Fuel line's airlocked and the engine won't catch. This 8mm (5/16") primer bulb gets the fuel moving so you can start up and go. It's a bulb-only replacement, and it's still bigger than most competitors' standard bulbs, so it pulls harder on that stubborn prime. One squeeze, one fix

• 8mm (5/16") bulb-only replacement
• Larger bore than most competitor standard bulbs for stronger pull
• Standard primer bulb for outboard and small engine fuel lines
• Jaycar branded, part number MGC105