NGK 48766 Ignition Coil

NGK COP Ignition Coil for Audi and Volkswagen

NGK Part Number 48766 is a coil-on-plug ignition coil built for distributorless ignition systems that require a 12-volt, 3-blade terminal design. It is engineered for direct replacement use on select Audi A4, A4 Quattro, A6 Quattro, S4, Allroad Quattro, A8, A8 Quattro, and Volkswagen Passat applications.

As part of the NGK COP Ignition Coil line, this ignition coil reflects NGK’s focus on OE-level fit, durability, and tested performance for late-model domestic and import vehicles. Part number 48766 is a practical choice when you need a replacement ignition coil for Audi A4 Quattro with 3 blade terminals or other listed applications.

Key Features

• Coil-on-plug design for distributorless ignition systems
• 12-volt ignition coil construction
• 3 blade terminals with female connector and male terminals
• Dry design with no oil fill
• No mounting bracket included
• NGK Part Number 48766 / Stock Number 48766

Detailed Description

NGK ignition coils are manufactured to meet or exceed OE standards and are validated in an ISO 17025 accredited test lab under demanding conditions. That testing approach supports consistent spark delivery and dependable operation in vehicles that rely on coil-on-plug ignition. For drivers and technicians servicing Audi A4, Audi A4 Quattro, Audi A6 Quattro, Audi S4, Audi Allroad Quattro, Audi A8, Audi A8 Quattro, or Volkswagen Passat models, NGK 48766 provides a direct-fit replacement option with the correct terminal layout and ignition type.

This part cross-references Delphi GN10326 for the same application.

What It Helps Fix

• Engine misfire caused by a weak or failing ignition coil
• Hard starting related to inconsistent spark output
• Rough idle from ignition breakdown under load
• Loss of acceleration response tied to coil failure
• Check engine light conditions associated with ignition coil faults

Installation Notes and Tips

• Verify the connector style and 3-blade terminal layout before installation.
• Confirm vehicle fitment by year, make, and model, especially on 1999-2002 Audi A4 and A4 Quattro applications with 3 blade terminals.
• Inspect spark plugs and related ignition components during coil replacement to avoid repeat failures.
• Clear diagnostic trouble codes after installation and confirm proper engine operation.

Quality Assurance

NGK backs this ignition coil with OE-focused engineering, global manufacturing support, and rigorous lab testing to help ensure consistent performance. The brand’s long history in ignition products and broad vehicle coverage reinforce its role as The Ignition Specialist.

• Fits 2000-2002 Audi A6 Quattro, N/A
• Fits 2001-2002 Audi Allroad Quattro, N/A
• Fits 2000-2002 Audi S4, N/A
• Fits 1999-2000 Audi A4 Quattro, N/A with 3 Blade Terminals; NGK COP Ignition Coil
• Fits 1999 Audi A4, N/A with 3 Blade Terminals; NGK COP Ignition Coil
• Fits 1997-1999 Audi A8, N/A
• Fits 1997-1999 Audi A8 Quattro, N/A
• Fits 1998-1999 Volkswagen Passat, N/A
• Fits 1997-1998 Audi A4, N/A
• Fits 1997-1998 Audi A4 Quattro, N/A