Bosch 0986221053 Ignition Coil

Bosch Ignition Coil for Audi V6 Applications

Bosch Ignition Coil (New) part number 0986221053 is an OE-quality pencil coil built for direct ignition service on select Audi models. It delivers the correct ignition voltage for consistent spark performance, helping support smoother engine operation, improved fuel use, and lower exhaust emissions.

Compatible with Audi A4, Audi A4 Quattro, Audi A6, and Audi A6 Quattro applications from 2002 through 2006, this Bosch ignition coil is a fitment-focused replacement for vehicles using a pencil-style coil design. Bosch 0986221053 is a practical choice when diagnosing misfire concerns or replacing a worn ignition coil on Audi A4 Quattro and Audi A6 platforms.

Key Features

• Bosch Ignition Coil (New) for ignition system service
• Pencil coil design for select Audi engine applications
• 14-volt coil specification
• SAE terminal type
• Coil wire not included
• OE-quality construction focused on stable spark output

Product Details

Bosch 0986221053 is engineered as a pencil-style ignition coil for direct replacement use in Audi ignition systems. Bosch’s OE-level coil design supports the correct ignition voltage and a long-lasting spark, which helps maintain combustion quality under normal driving conditions. For Audi A4, Audi A4 Quattro, Audi A6, and Audi A6 Quattro models, proper coil performance is important for consistent starting, idle quality, and engine response.

This part cross-references Karlyn 06C905115M for the same application.

Common Issues This Part Can Address

• Engine misfire under load or at idle
• Rough running or uneven acceleration
• Hard starting caused by weak ignition output
• Reduced fuel economy from incomplete combustion
• Check engine light related to ignition coil performance

Installation Notes and Tips

• Verify the engine uses a pencil coil and SAE terminal configuration before ordering.
• Inspect spark plugs and related ignition components during coil replacement.
• Confirm the vehicle application by year, make, and model: Fits 2002-2006 Audi A4 Quattro, N/A; Fits 2002-2005 Audi A4, N/A; Fits 2002-2004 Audi A6, N/A; Fits 2002-2004 Audi A6 Quattro, N/A.
• Use the vehicle’s diagnostic trouble codes and coil location to identify the failed cylinder before replacement.

Quality Assurance

Bosch is a recognized OE supplier in ignition components, and this ignition coil is built to meet the demands of factory-style service on Audi applications. Part number 0986221053 is intended for accurate fitment and dependable ignition performance in the listed vehicles.