Hitachi IGC0078 Ignition Coil - Front or Rear

Hitachi IGC0078 Ignition Coil Overview

Hitachi IGC0078 is an OE-style ignition coil built for Nissan and INFINITI applications that demand stable spark energy and consistent engine performance. It is engineered with durable materials, protected circuitry, and welded electrical connection points to handle repeated heat cycles in daily driving and demanding conditions.

For drivers searching for a replacement ignition coil for INFINITI Q50, Q70, QX70, or Nissan 370Z applications, this part is designed to match the vehicle-specific requirements of the original equipment setup.

Key Features

• OE-approved design for exact vehicle-specific fitment
• High turns ratio construction for reliable spark output
• Protected circuitry for added durability
• Welded electrical connection points for heat-cycle resistance
• Built with high-quality materials to resist deformation and malfunction
• Supports efficient combustion for smooth engine operation and fuel economy

Detailed Product Description

The Hitachi IGC0078 ignition coil is engineered to deliver the energy needed for modern high-efficiency, high-power engines. By helping maintain strong ignition performance, it supports consistent combustion, stable idle quality, and dependable throttle response. This ignition coil is a practical OE replacement for a wide range of INFINITI and Nissan models, including INFINITI Q50, INFINITI Q70, and Nissan 370Z applications.

This part cross-references Delphi GN10430 for the same application. The IGC0078 part number is also used in OE-style replacement searches for 22448-EY00A and UF617 applications.

What It Helps Address

• Engine misfire caused by weak or inconsistent spark output
• Rough idle or hesitation during acceleration
• Hard starting related to ignition coil wear
• Reduced fuel efficiency from incomplete combustion
• Check engine light conditions tied to ignition coil failure

Installation Notes and Fitment

Fits 2020 Nissan 370Z, N/A. Fits 2009-2019 Nissan 370Z, N/A. Fits 2017-2018 INFINITI Q50, N/A. Fits 2014-2016 INFINITI Q50, N/A. Fits 2015 INFINITI Q50, N/A. Fits 2016 INFINITI Q60, N/A. Fits 2014-2015 INFINITI Q60, N/A. Fits 2014-2019 INFINITI Q70, N/A. Fits 2016 INFINITI Q70, N/A. Fits 2014-2019 INFINITI Q70, Front. Fits 2015-2019 INFINITI Q70L, N/A. Fits 2015-2019 INFINITI Q70L, Front. Fits 2018-2019 INFINITI QX70, N/A. Fits 2014-2017 INFINITI QX50, N/A. Fits 2014-2017 INFINITI QX70, N/A. Fits 2014-2016 INFINITI QX70, N/A. Fits 2014 INFINITI QX70, Front. Fits 2013 INFINITI EX37, N/A. Fits 2013 INFINITI FX37, N/A. Fits 2012-2013 INFINITI FX50, Front. Fits 2008-2013 INFINITI G37, N/A. Fits 2011-2013 INFINITI M37, N/A. Fits 2013 INFINITI M37, N/A. Fits 2011-2013 INFINITI M56, Front. Fits 2009-2011 INFINITI FX50, Rear. Fits 2009 Nissan 370Z, N/A.

Verify coil type, position, and OE reference before installation, especially on applications noted as coil-on-plug or individual coil configurations. Confirm the connector and mounting style match the original part before replacing the ignition coil.

Quality Assurance

Hitachi ignition coils are built to OE manufacturer standards using durable materials and protected internal circuitry. The design focus on heat-cycle resistance and vehicle-specific fitment supports dependable long-term service in the listed Nissan and INFINITI applications.