Denso 673-7112 Direct Ignition Coil

Denso Direct Ignition Coil for GM V8 Applications

Denso 673-7112 is a direct ignition coil, also known as a coil near plug, built for select Cadillac, Chevrolet, and GMC vehicles. It uses a 12.0V design with a black housing, one female tower, and the Denso stick coil platform for OE-style ignition performance.

Key Features

• Direct ignition coil / coil near plug design
• 12.0V electrical specification
• Black finish with one female tower
• Built by Denso, a leader in stick coil technology
• OE-style replacement for select Cadillac CT5, Cadillac CTS, Chevrolet Camaro, Chevrolet Corvette, Chevrolet Silverado, GMC Sierra, and related models

Product Details

Denso 673-7112 is engineered for vehicles that use a coil-on-plug ignition layout, where each coil mounts directly above the spark plug. Denso applies controlled testing and inspection processes to help maintain consistent ignition output and dependable fitment across the listed GM applications. This part cross-references Delphi GN10639 for the same application.

Compatible With 2014-2023 Chevrolet Corvette, 2014-2023 Chevrolet Silverado 1500, 2020-2023 Chevrolet Silverado 2500 HD, 2020-2023 Chevrolet Silverado 3500 HD, 2014-2023 GMC Sierra 1500, and 2020-2023 GMC Sierra 2500 HD/3500 HD applications, along with additional Cadillac, Chevrolet, and GMC models listed below. The Denso 673-7112 part number is also referenced by 12619161, 12669351, 12713668, U5266, UF743, and NGK 48882.

What This Ignition Coil Helps Address

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

Installation Notes and Tips

Verify the part number and connector style before installation. This coil is listed for specific Cadillac CT5 and CTS, Chevrolet Camaro, Corvette, Express 2500, Express 3500, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Tahoe, Silverado 1500 LTD, and GMC Savana, Sierra, Yukon, and Yukon XL applications. Confirm year, engine, and ignition configuration against the vehicle catalog before replacing the original coil.

Quality Assurance

Denso states that its stick coil technology is backed by extensive testing and inspection to support consistent quality. The brand positions this part as a certified replacement for the listed applications, with Denso engineering focused on OE-level fit and ignition reliability.