The Bosch 0986221057 is a coil-on-plug ignition coil designed for smaller-displacement Volkswagen and Audi petrol and hybrid engines — specifically the 1.0L, 1.2L, and 1.4L TSI and TFSI units. Available at Dub Source Limited, Kingston’s dedicated Volkswagen and Audi parts specialist in Jamaica.

WHAT IT IS

Unlike older distributor-based ignition systems, a coil-on-plug unit sits directly on top of each individual spark plug and fires independently. The Bosch 0986221057 takes the vehicle’s standard 12V–14V battery supply and steps it up to as much as 40,000 volts in a fraction of a second.

This process generates the ultra-high-voltage spark needed to ignite the tightly compressed air/fuel mixture in the combustion chamber cleanly and at precisely the right moment. Because small-displacement forced-induction engines rely heavily on precision combustion, this coil is engineered to maintain constant spark intensity across the engine’s entire RPM band.

WHY IT MATTERS

When an ignition coil begins to fail, the symptoms show up immediately and disrupt vehicle drivability. Common signs include distinct engine misfires, rough idling, severe hesitation under acceleration, increased fuel consumption, and a dashboard check engine light.

On highly tuned TSI and TFSI engines in particular, a single weak coil can cause the ECU to trigger emergency limp mode to protect the drivetrain. Fitting the correct replacement coil restores clean, efficient combustion and protects the expensive catalytic converter from thermal damage caused by unburnt fuel entering the exhaust line.

COMPATIBILITY

The Bosch 0986221057 is designed for selected Volkswagen and Audi models fitted with 1.0L, 1.2L, and 1.4L TSI/TFSI petrol and hybrid engines. Common applications include the VW Polo, VW Golf, VW Jetta, Audi A1, and Audi A3 — however fitment varies strictly by production year, model specification, and exact engine code.

Use our VIN Part Matching service to confirm this ignition coil is correct for your vehicle before ordering, or browse our full Electrical parts range for related switches, connectors, sensors, and vehicle electrical components.

AVAILABILITY

In stock at 70A Mannings Hill Road, Kingston. We deliver island-wide across Jamaica. Call 876-740-9332 or order at dubsourceja.com.

Bosch Ignition Coil 0986221057 — available at your Volkswagen and Audi parts specialist in Kingston, Jamaica.