A-Premium Engine Ignition Coil 12568062 — Direct-Fit OE Replacement, Single Coil, One-Year Warranty

A-Premium Engine Ignition Coil 12568062 is a direct-fit replacement coil designed to restore reliable spark delivery for compatible GM, Isuzu, Saab and Hummer engines.

If your vehicle is running rough, misfiring, or the check engine light indicates an ignition fault, the correct replacement coil can resolve ignition-related drivability issues. This A-Premium coil (reference 12568062) is manufactured to match OE mounting and connector locations so it installs easily and restores consistent high-voltage output for the specified engine applications.

Which vehicles and engines is this ignition coil compatible with?

This ignition coil fits a range of GM- and Isuzu-based trucks and SUVs from the early-to-mid 2000s. It covers four- and six-cylinder applications listed in the specifications and replaces multiple factory part numbers for a straightforward swap.

• Chevrolet Colorado 2004–2006 L4 2.8L / L5 3.5L
• Chevrolet Trailblazer/Trailblazer EXT 2002–2005 L6 4.2L
• GMC Canyon 2004–2006 L4 2.8L / L5 3.5L and Envoy/Envoy XL 2002–2005 L6 4.2L
• Isuzu Ascender, i-280, i-290, i-350, i-370 model fitments per listed years
• Also compatible with Buick Rainier, Hummer H3, Oldsmobile Bravada, Saab 9-7x where specified

How does this coil match OE performance and installation?

The A-Premium coil is engineered to the same footprint and connector layout as the original part numbers so it mounts in the factory location without modification. Internal windings and insulation materials are specified to deliver consistent high-voltage output so the spark plug receives a reliable ignition charge.

• Direct-fit design for simple bolt-and-plug installation
• Connector and mounting points mirror original equipment
• Engineered windings and insulation to resist heat and electrical stress
• Cross-references many OEM numbers (e.g., 12570616, UF-303, COP44)

What are the part references and warranty details I should know?

This unit lists several equivalent reference numbers to help you confirm compatibility with your vehicle or service manual. A-Premium backs the coil with a one-year unlimited-mileage guarantee to protect against manufacturing defects under normal use.

• Primary reference: 12568062
• Additional cross-refs include 12570616, UF303, COP44 and many OEM codes
• One-year unlimited-mileage warranty from A-Premium
• Sold as a single coil — verify cylinder location and quantity needed

When should I replace my ignition coil and what should I expect after installation?

You should consider replacing a coil if you experience intermittent misfires, a rough idle, reduced fuel economy, or persistent ignition-related codes. After installing a properly matched coil like A-Premium 12568062, expect smoother idling, fewer misfires, and more consistent throttle response when ignition was the root cause.

• Replace when diagnostics point to coil failure or repeated misfires
• Use an OBD-II scan tool to clear codes after replacement and verify repairs
• Test drive to confirm restored engine smoothness and performance

Who is this for: The A-Premium 12568062 ignition coil is aimed at DIY mechanics and professional technicians working on early‑2000s GM, Isuzu and related-platform SUVs and trucks who need a reliable, direct-fit coil replacement. If you want an OE-style fit and an accessible warranty without paying dealer prices, this part is designed to meet those needs. Always confirm vehicle year, engine code, and OEM reference numbers before purchasing to ensure correct fitment.