Yikesai Ignition Coil Pack Set for GM 5.3L/6.0L V8 — 8-Pack Direct-Fit Replacement, Restores Spark

Yikesai 12611424 ignition coil pack set replaces OEM coils on many Chevy, GMC, Cadillac and Pontiac 5.3L/6.0L V8 models to restore smooth starts and reliable spark delivery.

These eight coil packs are built as direct-fit replacements for worn or failing ignition coils on a wide range of GM vehicles. Designed to match factory mounting points and electrical connections, the set is intended to make swapping old coils straightforward while improving ignition consistency and reducing misfires. Each coil pack in the kit meets common OE form, fit and function expectations so you can address multiple-cylinder ignition problems in one service job.

Which vehicles and engines will these coil packs fit?

This Yikesai coil pack set is compatible with GM 5.3L and 6.0L V8 applications across Chevrolet, GMC, Cadillac, Buick and Pontiac lineups. Fitment includes popular trucks, SUVs and performance cars where the OEM part numbers match.

• Chevrolet: Silverado 1500/2500HD/3500HD, Tahoe, Suburban, Avalanche, Camaro, Corvette, Impala, Monte Carlo, Express vans
• GMC: Sierra 1500/2500HD/3500HD, Yukon, Canyon, Savana, Envoy
• Cadillac & Buick: Escalade ESV/EXT, CTS, LaCrosse, CTS, Rainier and other compatible models
• Check PIN: replaces part numbers 12611424, 12619161, 12570616 and equivalents—confirm with VIN or service manual

How will installing these coils affect engine performance?

Replacing failing coils with this Yikesai set helps restore consistent high-voltage spark to each cylinder, which can reduce misfires and stabilize idle and acceleration. While results vary by vehicle condition, many users notice smoother throttle response and more reliable starting after installation.

• Reduce engine misfires caused by weak or intermittent coils
• Improve throttle response and overall combustion stability
• Potential for better fuel efficiency if misfires were previously wasting fuel
• Restores reliable spark timing across affected cylinders

What do I get in the box and how is quality assured?

The kit contains eight matched ignition coil packs and comes with a 12-month warranty to cover manufacturing defects. Each unit is constructed to meet expected durability for replacement coils, with standard electrical terminals and mounting features for direct installation.

• Included: 8 coil packs—one for each cylinder of compatible V8 engines
• Warranty: 12 months against manufacturing faults
• Materials: designed for durability and thermal stability under engine bay conditions
• Compatibility: replaces multiple OEM numbers and aftermarket cross-references

How difficult is installation and what should I check first?

Installing coil packs is usually a straightforward repair for anyone comfortable with basic engine service: remove the engine cover if present, unplug the coil electrical connectors, unbolt the coils and swap in the new units. Always inspect spark plugs, wiring harnesses and connector pins for corrosion or damage before and after replacement.

• Tools: basic socket set, torque wrench for proper fastener torque
• Inspect spark plugs and replace if worn to prevent repeat misfire
• Check connector pins for corrosion and clean as needed
• Follow OEM torque specs and safety precautions when working near the battery

Who this is for: This eight-pack is aimed at owners and technicians servicing GM 5.3L and 6.0L V8 vehicles that show ignition-related symptoms such as misfires, rough idle, poor starting or reduced performance. It’s also suitable for owners replacing all coils proactively during a larger tune-up, or for fleet and shop mechanics who prefer replacing the entire set at once to ensure balanced ignition across every cylinder.