NGK 48719 Ignition Coil

NGK COP Ignition Coil for GM and Isuzu Applications

The NGK COP Ignition Coil, part number 48719, is a distributorless coil-on-plug ignition coil built for direct replacement in select Chevrolet, GMC, Hummer, Isuzu, Buick, and Saab applications. It is engineered to meet or exceed OE standards for durability and consistent ignition performance.

With a 12-volt design, 3-terminal blade connection, female connector, and male terminal gender, this NGK ignition coil supports reliable spark delivery in late-model domestic and import vehicles. The NGK 48719 is a practical choice for drivers servicing misfire-related ignition concerns on vehicles such as the Chevrolet Colorado, GMC Canyon, and Hummer H3.

Key Features

• NGK COP Ignition Coil, part number 48719
• Distributorless coil-on-plug design
• 12-volt ignition coil for OE-style replacement
• 3-terminal blade connection with female connector
• Built for late-model domestic and import vehicle coverage
• Developed and tested in an ISO 17025 accredited lab
• Hardware included for easy installation on listed applications where noted in fitment

Product Details

NGK ignition coils are produced to meet OE-level durability and operational requirements, with testing performed under demanding conditions to verify performance beyond typical vehicle use. The NGK COP Ignition Coil line reflects NGK’s long history in ignition components and its focus on consistent spark output, dependable fit, and broad vehicle coverage. Part number 48719 cross-references DENSO Auto Parts 673-7003 for the same application.

Fits 2007-2012 Chevrolet Colorado, N/A. Fits 2007-2012 GMC Canyon, N/A. Fits 2007-2010 Hummer H3, N/A. Fits 2009-2010 Hummer H3T, N/A. Fits 2006-2009 Chevrolet Trailblazer, N/A. Fits 2006-2009 GMC Envoy, N/A. Fits 2009 Saab 9-7x, N/A. Fits 2006-2008 Isuzu Ascender, N/A. Fits 2008 Isuzu i-290, N/A. Fits 2007-2008 Isuzu i-370, N/A. Fits 2006-2008 Saab 9-7x, N/A. Fits 2006-2007 Buick Rainier, N/A. Fits 2007 Isuzu i-290, N/A. Fits 2006 Chevrolet Trailblazer EXT, N/A. Fits 2006 GMC Envoy XL, N/A.

Common Issues This Coil Can Address

• Engine misfire caused by weak or inconsistent ignition output
• Rough idle during acceleration or at stoplights
• Hard starting related to ignition coil failure
• Check engine light triggered by ignition performance faults
• Loss of power from degraded coil operation

Installation Notes and Tips

Verify the vehicle year, make, model, and ignition layout before ordering. This NGK 48719 ignition coil is for distributorless COP applications and should be matched to the listed fitment only. Inspect the coil connector, terminals, and surrounding ignition components during replacement to help confirm a clean electrical connection and proper operation.

Quality Assurance

NGK manufactures ignition coils to OE standards and validates designs in an ISO 17025 accredited test environment. The brand’s long-standing ignition expertise and broad vehicle coverage support confident replacement selection for service work on Chevrolet Colorado, GMC Canyon, Hummer H3, and related applications.