NGK 48670 Ignition Coil

NGK COP Ignition Coil for Audi and Volkswagen

NGK Ignition Coil 48670 is a coil-on-plug replacement built for distributorless ignition systems that use a 12-volt, blade-terminal design. It is a direct-fit option for select Audi and Volkswagen applications, including Audi A4, A4 Quattro, A6 Quattro, TT, and Volkswagen Beetle, Golf, Jetta, and Passat models.

Key Features

• Coil-on-plug (COP) design for distributorless ignition systems
• 12-volt ignition coil with female connector and male blade terminals
• 4-terminal configuration
• Oil-filled: No
• Mounting bracket not included
• NGK part number 48670 / U5022

Product Details

NGK COP Ignition Coil 48670 is manufactured to meet or exceed OE standards for durability and consistent ignition performance. NGK develops and tests ignition components in controlled lab conditions to verify operation under demanding environments, and its broad OE legacy supports late-model domestic and import vehicle coverage. This ignition coil is a practical replacement for vehicles that require a COP-style unit with blade terminals, including 1999-2004 Audi A4 and A4 Quattro, 2000-2004 Audi A6 Quattro, and 2000-2001 Volkswagen Beetle, Golf, Jetta, and Passat applications.

This part cross-references Standard Ignition UF-274 and Delphi GN10294 for the same application. The NGK 48670 ignition coil is also listed for select Audi TT and TT Quattro models, along with Audi S6, S8, and RS6 coverage where specified by fitment.

What It Helps Address

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

Installation Notes

Verify connector style, terminal count, and engine application before installation. This coil uses a female connector, male terminals, and a COP layout for distributorless ignition systems. Confirm the vehicle-specific notes for bolt-on type or black-coil applications where listed, especially on Audi A4, A4 Quattro, TT, and Volkswagen Passat fitments. Always inspect related spark plugs and wiring for wear before replacing the coil.

Quality Assurance

NGK builds ignition coils to OE-level standards and validates designs in an ISO 17025 accredited test lab. The brand’s long-standing focus on ignition components and broad vehicle coverage supports dependable replacement selection for Audi and Volkswagen service work.