Bosch 0986221120 Ignition Coil

Bosch ignition coil overview

This Bosch ignition coil, part number 0986221120, is a standard replacement ignition component built for electronic ignition systems. It is a compact coil-on-plug design that delivers the correct ignition voltage for consistent spark performance.

Compatible with Porsche 718 Boxster, Porsche 718 Cayman, and Porsche 911 applications, this Bosch ignition coil supports stable engine operation and efficient combustion. The bolt-in mount and 4-terminal female connector help match the original-style electrical connection for a direct service replacement.

Key features

• Standard replacement ignition coil for electronic ignition systems
• Compact coil-on-plug design for a space-efficient engine bay fit
• 14-volt operation for proper ignition output
• Bolt-in mounting with a single mounting hole
• 4-terminal female connector with male terminals
• Dry coil design with no external resistor required

Detailed description

Bosch part number 0986221120 is engineered as a compact coil-on-plug ignition coil for engine-mounted installation. It uses a 14-volt electrical design and electronic ignition type to support reliable spark delivery, smoother running conditions, lower fuel consumption, and reduced exhaust emissions. This ignition coil is a practical OE-style service part for Porsche 718 Boxster, Porsche 718 Cayman, and Porsche 911 models listed in the fitment data.

The Bosch Ignition Coil line focuses on replacement ignition components that match original equipment expectations for voltage control and spark consistency. For buyers searching for a Porsche 718 Boxster ignition coil, Porsche 718 Cayman ignition coil, or Porsche 911 ignition coil, part number 0986221120 provides a direct-fit service option within the confirmed applications.

What it helps solve

• Misfires caused by weak or inconsistent spark output
• Rough idle and uneven engine running conditions
• Hard starting related to ignition coil wear
• Reduced fuel efficiency from incomplete combustion
• Increased exhaust emissions linked to poor ignition performance

Installation notes and tips

Fits 2017-2021 Porsche 718 Boxster, N/A. Fits 2017-2021 Porsche 718 Cayman, N/A. Fits 2017-2021 Porsche 911, N/A. Confirm the connector style, terminal count, and engine-mounted coil location before installation. Replace only with the exact application listed in the fitment data, and verify part number 0986221120 against the original component.

Quality assurance

Bosch original equipment quality supports consistent ignition voltage, dependable spark delivery, and service replacement confidence. This part cross-references 9A260210402 and 9A790509300 for the same application.