Yikesai Ignition Coil Pack Set for GM LS 5.3/6.0 V8 – 8-Pack Direct Fit, OEM-Style

Yikesai 12611424 is an 8-piece replacement ignition coil pack set engineered to restore reliable spark delivery for GM 5.3L and 6.0L V8 engines.

If your Silverado, Tahoe, Sierra, Escalade or other compatible GM vehicle is showing signs of misfires, reduced fuel economy, or hard starting, a worn ignition coil pack is a common cause. This Yikesai kit offers eight high-quality coil packs that fit a wide range of Chevrolet, GMC, Cadillac, Buick and Pontiac models using the LS-series 5.3 and 6.0 V8 engines. Each unit is built to meet OEM-style fit and electrical characteristics so installation is straightforward and swap-in replacement is possible without engine modifications.

Which vehicles will these coil packs work with?

These coil packs are designed for many GM applications that use the LS 5.3L or 6.0L V8 engines. Always cross-check your VIN, engine code or existing part number before ordering to ensure compatibility.

• Common fits: Chevy Silverado 1500/2500HD/3500HD, Tahoe, Suburban, Avalanche
• Performance and sports models: Camaro, Corvette, SS variants
• SUVs and vans: Yukon/Yukon XL, Escalade ESV/EXT, Savana, Express
• Other GM lines: Buick LaCrosse, Pontiac G8/Grand Prix, Cadillac CTS

How does replacing the coil pack help my engine’s performance?

Ignition coils transform low battery voltage into the high-voltage spark required by spark plugs. Replacing failing coils helps the ignition system deliver consistent sparks, reducing misfires and improving combustion efficiency without changing other engine components.

• Restores stable spark timing and intensity for all cylinders
• Reduces misfire codes and rough idling under load
• Can improve throttle response and steady highway fuel economy
• Helps prevent catalytic converter stress from raw fuel misfires

Are these coils direct replacements for part number 12611424?

Yes — the Yikesai coils are made to replace 12611424 and several cross-reference numbers. They are square-style pack coils that match the mounting points and electrical connectors used on many GM V8 engines.

• Cross-references include: 12611424, 12619161, 12570616 and others
• Sold as an 8-piece set to service all cylinders on V8 engines
• Designed for bolt-on replacement with factory wiring harnesses
• Includes 12-month warranty for manufacturing defects

What should I expect when installing this 8-pack?

Installation is typically straightforward for anyone comfortable with basic engine work: remove the old packs, inspect spark plugs and connectors, and install the new units. Replacing all eight coils at once avoids uneven wear and recurring trouble codes.

• Recommended to check or replace spark plugs when installing coils
• Torque mounts to factory specs and ensure connector seals are secure
• Clear any stored diagnostic trouble codes after replacement
• Test-drive to confirm smooth idle and no misfire indications

Who is this for: The Yikesai 12611424 ignition coil pack set is aimed at owners and mechanics working on GM trucks, SUVs and performance cars with LS-based 5.3L or 6.0L V8s who need a cost-effective, full-engine coil replacement. It suits DIY enthusiasts performing scheduled ignition service, professional shops replacing multiple coils, and anyone troubleshooting persistent misfire codes or poor fuel economy. Verify vehicle fitment by engine type and part number before purchase to ensure correct compatibility.