The Worcester Bosch 87161067390 Ignition Lead is a genuine replacement high-tension lead designed to carry the electrical spark from the ignition transformer to the burner electrodes, ensuring consistent and reliable ignition of the gas/air mixture. A correctly functioning ignition lead is vital for smooth boiler start-ups, stable combustion and dependable heating performance. Over time, leads can degrade, crack or lose insulation, which may lead to ignition delays, misfires or boiler lockouts, so fitting the correct OEM part is key to restoring reliable operation.

This ignition lead is compatible with Worcester Bosch Ri, CDi and Greenstar series boilers that specify part number 87161067390 in their parts documentation. To ensure accurate fitment and optimal performance, always check that the part number matches your existing lead or consult your boiler’s service information before installation, as lengths and routing can vary between models.

Supplied ready for direct replacement, the 87161067390 Ignition Lead connects securely with the boiler’s ignition components and existing wiring harness without modification. Choosing this genuine Worcester Bosch ignition lead helps maintain dependable spark delivery, smooth ignition and reliable heating performance in compatible Ri, CDi and Greenstar boilers when installed by a qualified engineer.