NGK 58981 Direct Ignition Coil Boot

Reliable Ignition Performance for Select GM and Isuzu Vehicles

The NGK Coil on Plug Boot 58981 is designed to provide a secure and efficient connection between the ignition coil and spark plug. Engineered for durability and consistent performance, this direct ignition coil boot is compatible with a range of Buick, Chevrolet, GMC, Hummer, Isuzu, and Saab models.

• Length: 3.66 inches for optimal fit
• Premium grade type ensures reliable electrical insulation
• Black boot color for standard OEM appearance
• Part Number: CPB-GM008 / Stock Number: 58981
• Compatible with multiple GM and Isuzu vehicles including Trailblazer, Envoy, and Canyon

About the NGK Coil on Plug Boot Product Line

The NGK Coil on Plug Boot product line focuses on delivering high-quality ignition components designed to maintain proper electrical conductivity and withstand harsh engine conditions. This line emphasizes premium materials and precise manufacturing to ensure a secure connection between the ignition coil and spark plug, reducing misfires and improving engine efficiency. The 58981 part is a direct ignition coil boot tailored for specific GM and Isuzu applications.

Product Details and Specifications

This direct ignition coil boot measures 3.66 inches in length, providing a precise fit for the ignition system. Its premium grade construction offers enhanced resistance to heat and electrical wear, which is critical for maintaining consistent spark delivery. The black boot color matches OEM standards, ensuring a clean and professional installation. The part number CPB-GM008 and stock number 58981 identify this specific boot within the NGK product catalog.

Compatible Vehicles and Common Applications

• Buick 9-7x
• Chevrolet Trailblazer, Trailblazer EXT, Colorado, Canyon
• GMC Envoy, Envoy XL, Canyon
• Hummer H3, H3T
• Isuzu i-290, i-370
• Saab 9-7x

Common Issues Addressed by This Coil Boot

• Ignition misfires caused by poor coil-to-plug connection
• Electrical arcing due to worn or damaged boots
• Engine performance loss from inconsistent spark delivery
• Heat-related degradation of ignition components
• Corrosion or contamination affecting ignition coil contact

Installation Notes and Tips

Ensure the ignition system is cool before installation to avoid burns. Carefully remove the old coil boot without damaging the ignition coil or spark plug. Verify the 3.66-inch length matches the original part for proper fitment. When installing the NGK Coil on Plug Boot 58981, confirm a secure connection to prevent electrical leakage. Use dielectric grease if recommended by the vehicle manufacturer to improve seal and ease future removal.

Quality Assurance and Warranty

NGK products undergo rigorous quality control to meet OEM standards. The Coil on Plug Boot 58981 is manufactured with premium materials to ensure durability and reliable performance under demanding conditions. While specific warranty details are not provided here, NGK typically offers coverage against manufacturing defects. Refer to NGK’s official documentation for warranty terms related to this part.