NGK 48748 Ignition Coil

NGK COP Ignition Coil for Nissan and INFINITI

The NGK COP Ignition Coil is built for distributorless ignition systems and coil-on-plug applications where consistent spark delivery matters. This NGK ignition coil is engineered to meet or exceed OE standards for durability and dependable operation, making it a direct-fit choice for late-model Nissan 370Z and INFINITI V6 and V8 applications.

Part number 48748 is part of NGK’s COP Ignition Coil line, developed with extensive OE experience and tested in an ISO 17025 accredited lab under demanding conditions. If you need an ignition coil for a Nissan 370Z, INFINITI G37, or INFINITI Q50, this coil is built for the application.

Key Features

• Coil-on-plug design for distributorless ignition systems
• 12-volt ignition coil with female connector and male blade terminals
• 3-terminal configuration for the listed applications
• Non-oil-filled construction
• OE-style fitment for select Nissan and INFINITI models
• NGK part number 48748 / stock number 48748

Product Details

NGK ignition coils are manufactured with a focus on OE-level fit, durability, and operational consistency. This COP ignition coil is designed for direct replacement in vehicles that use coil-on-plug ignition, including the 2009-2020 Nissan 370Z and multiple INFINITI platforms such as the G37, M37, M56, Q50, Q60, Q70, Q70L, QX50, and QX70. The part is also listed for specific cylinder positions on select applications where the vehicle uses dedicated coils for cylinders 7 and 8.

Part number 48748 is a practical replacement when diagnosing ignition-related drivability concerns on Nissan 370Z and INFINITI models. This part cross-references Standard Ignition UF-617 for the same application.

Common Issues This Coil Can Address

• Engine misfire under load or at idle
• Rough running after ignition coil wear
• Hard starting caused by weak spark output
• Intermittent check engine light related to ignition performance
• Loss of power or hesitation during acceleration

Installation Notes and Fitment

Compatible With 2009-2020 Nissan 370Z, N/A. Compatible With 2014-2019 INFINITI Q70, N/A, and select cylinder 7 and 8 applications where noted. Compatible With 2015-2019 INFINITI Q70L, N/A, and select cylinder 7 and 8 applications where noted. Compatible With 2014-2017 INFINITI QX50, N/A. Compatible With 2014-2017 INFINITI QX70, N/A. Compatible With 2015 INFINITI Q40, N/A. Compatible With 2014-2015 INFINITI Q50, N/A. Compatible With 2014-2015 INFINITI Q60, N/A. Compatible With 2014 INFINITI QX70, N/A, cylinder 7 and 8 applications where noted. Compatible With 2013 INFINITI EX37, N/A. Compatible With 2013 INFINITI FX37, N/A. Compatible With 2009-2013 INFINITI FX50, N/A, cylinder 7 and 8 applications where noted. Compatible With 2008-2013 INFINITI G37, N/A. Compatible With 2011-2013 INFINITI M37, N/A. Compatible With 2011-2013 INFINITI M56, N/A, cylinder 7 and 8 applications where noted.

Verify connector style, terminal layout, and engine application before installation. This ignition coil uses a female connector with male blade terminals and is intended for distributorless, coil-on-plug systems.

Quality Assurance

NGK backs this ignition coil with OE-focused engineering, global manufacturing support, and validation in an ISO 17025 accredited test lab. The brand’s long OE legacy and broad vehicle coverage support confident replacement selection for late-model import applications.