8Pack Square Ignition Coil & Spark Plug Wire For Chevy GMC 4.8L 5.3L 6.0L 8.1L

Square Ignition Coil & Spark Plug Wire Set for Chevy GMC

This 8-pack of square ignition coils with spark plug wires delivers reliable spark energy for Chevy and GMC 4.8L, 5.3L, 6.0L, and 8.1L engines, restoring smooth combustion and consistent performance.

Overview

This 8-pack square ignition coil and spark plug wire set is built to replace worn coils on Chevy and GMC 4.8L, 5.3L, 6.0L, and 8.1L engines. Each ignition coil and spark plug wire set is designed to deliver strong, consistent spark for dependable starts and smooth running. A practical choice for DIYers and shops servicing these popular GM truck and SUV engines.

Built For Performance

• Square coil body matches the factory mounting style for a direct fit
• High-temperature epoxy potting protects internal windings
• Corrosion-resistant terminals for stable electrical contact
• Spark plug wires with heat-resistant insulation
• Set of 8 coils and wires covers V8 applications in one purchase
• Engineered for consistent spark output across the RPM range

Fits These Machines

• for Chevy vehicles with 4.8L V8 engines
• for Chevy vehicles with 5.3L V8 engines
• for Chevy vehicles with 6.0L V8 engines
• for Chevy vehicles with 8.1L V8 engines
• for GMC vehicles with 4.8L V8 engines
• for GMC vehicles with 5.3L V8 engines
• for GMC vehicles with 6.0L V8 engines
• for GMC vehicles with 8.1L V8 engines

On-The-Job Use

• Routine ignition tune-ups on high-mileage trucks and SUVs
• Fixing misfires, rough idle, and hard starting
• Replacing failed coils before they trigger a check engine light
• Maintenance on work trucks and daily drivers

Specs At A Glance

Good To Know

Q: How do I know if my coils need replacing? A: Common signs include misfires, rough idle, reduced power, and a flashing or steady check engine light on these GM V8 engines.

Q: Can I replace all coils at once? A: Yes, replacing the full set together helps keep spark output even across all cylinders and avoids repeat repairs.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.