Ignition Coil Pack Set of 8 - Direct Replacement for GM V8s

In this review the Ignition Coil Pack Set of 8 is judged on reliability, fitment, and value for owners of late 1990s to mid 2000s GM V8 trucks and SUVs. It is aimed at anyone who needs a one-time replacement for the square style coils found on GM 4.8L, 5.3L, 6.0L and 8.1L Vortec engines; the single biggest reason to buy is the complete set coverage and OEM-fit promise that restores spark to every cylinder without paying dealer prices. The reviewer emphasizes confirming the square coil shape against the product image before ordering to ensure compatibility.

Key Features

• Full set of eight: Replaces all eight coils at once to correct misfires and restore smooth running across the entire V8 engine.
• Broad GM compatibility: Suitable for many Chevrolet, GMC and Cadillac models including Silverado, Suburban, Tahoe, Yukon and Escalade from 1999 to 2007 when fitted with square coils.
• Direct replacement fit: Designed to appear, fit and work like the factory part so installation is straightforward and uses existing connectors under the engine cover.
• Listed part number cross-reference: Replaces common OE numbers such as 12558693, GN10298 and C1208 which helps confirm correct application for owners and mechanics.
• Warranty included: Backed by a 2 year or 24,000 mile warranty that provides a safety net if any coil fails within the coverage period.
• Performance impact: Intended to address poor fuel efficiency, engine hesitation and CEL issues caused by faulty coils to improve drivability.

Who It's For

This coil pack set is best for DIY mechanics, independent repair shops, and owners of GM V8 trucks and SUVs who have identified coil-related misfires or rough idle and who have the square style coils pictured. It is also a sensible, lower-cost option for those who want to replace all coils at once to avoid repeat labor costs.

Those who should look elsewhere include owners with non-square coils or very late model vehicles that use a different ignition module design, and buyers seeking a genuine OEM-branded coil rather than an AA Ignition aftermarket replacement.

Pros & Cons

Pros

• Complete set of eight restores consistent spark and can eliminate misfires across all cylinders.
• Works as a direct replacement for many GM V8 engines, making fitment and installation simple.
• Good value compared with dealer pricing and includes a 2 year / 24,000 mile warranty.
• Many buyers report improved smooth running and easy installation.

Cons

• Build quality feedback is mixed, with some users reporting early failures while others find solid durability.
• Must confirm the square coil shape visually before purchase to avoid incompatibility.

Specifications

Our Verdict

The Ignition Coil Pack Set of 8 is a practical, cost-effective choice for owners of compatible GM V8 trucks and SUVs who need to cure misfires and hesitation without dealer pricing. It delivers OEM-style fit and broad compatibility, and the included warranty reduces risk, though buyers should confirm the square coil design and be aware reports of mixed long-term durability.

Frequently Asked Questions

Are these coils a direct fit for my Silverado?
They are a direct replacement for Silverado models equipped with the square style coils and the listed Vortec V8 engines; verify the coil shape against the product image.

Do these replace specific OEM part numbers?
Yes, the set replaces numbers like 12558693, GN10298, UF271 and C1208 as listed for compatibility reference.

What warranty is included?
The coils include a 2 year or 24,000 mile warranty; contact the seller for a replacement if a coil fails within that period.