A-Premium Engine Ignition Coil for GM 2.0L/2.5L Engines — 12652405 Direct-Fit 12V Bolt-On

When an ignition coil fails it can cause misfires, rough idle, reduced fuel efficiency, and trouble codes. The A-Premium 12652405 replacement coil is engineered to match OE electrical characteristics and mounting points so you can swap it into the valve cover quickly without modifying wiring or brackets. It’s a 12V, pin-terminal unit with four terminals designed for bolt-on installation on compatible Buick, Cadillac, Chevrolet, and GMC models.

Which vehicles will this coil fit?

This coil covers a wide range of GM four-cylinder applications from mid-2010s to early-2020s. It’s specified for Buick, Cadillac, Chevrolet, and GMC models using 2.0L or 2.5L L4 engines; confirm part numbers or VIN fitment before ordering.

• Buick: Envision (2016–2020 2.0L / 2017–2020 2.5L), LaCrosse (2018–2019 2.5L), Regal/Regal Sportback/TourX (2014–2020 depending on engine)
• Cadillac: ATS and CTS four-cylinder model years listed in the fitment (2013–2019 range)
• Chevrolet: Blazer, Camaro, Colorado, Equinox, Impala, Malibu, Traverse with 2.0L or 2.5L engines
• GMC: Acadia and Canyon four-cylinder applications

How does it match OEM performance and installation?

The A-Premium coil replicates key electrical and mechanical features of the original unit so it operates with factory ignition timing and firing energy. It uses a pin terminal interface, mounts to the valve cover with a bolt, and runs on standard 12V vehicle systems.

• Terminal Type: Pin-style electrical connector for OEM plug compatibility
• Terminal Quantity: 4 pins to interface with the vehicle harness
• Mount Type: Bolt-on design that secures to the valve cover without adapters
• Voltage: Standard 12V operation for modern passenger vehicles

What reference numbers and interchange IDs should I check?

If you’re cross-referencing parts, the A-Premium 12652405 lists several OEM and aftermarket equivalents so you can verify compatibility. Use these reference numbers against your vehicle’s original part or dealer lookup tools.

• Common references: 12652405, 12654078, 12687140
• Additional cross-IDs: 25202791, 48889, 6737205
• Aftermarket equivalents: GN10682, 5C1884, UF-680

What warranty and quality assurances are included?

A-Premium backs the ignition coil with a one-year unlimited-mileage guarantee, giving you time to confirm fit and function under normal driving conditions. The coil is built to meet common OEM specs and arrives ready for direct installation.

• Coverage: One-year unlimited-mileage warranty from A-Premium
• Quality: Manufactured to match OE electrical and mounting specifications
• Support: Replacement and customer assistance available through A-Premium channels

Who is this for: This ignition coil is intended for DIY mechanics and professional technicians replacing a failed or intermittent coil on mid-2010s to early-2020s GM four-cylinder vehicles. If your Buick, Cadillac, Chevrolet, or GMC exhibits misfires, rough idle, or ignition-related codes and your VIN/part lookup confirms 12652405 or one of the listed cross-references, this A-Premium bolt-on unit offers an affordable, warranty-backed option to restore reliable spark delivery.