UF413 Ignition Coils Pack with Spark Plugs & Wires - Complete Ignition

In this review the DEEGOOLY UF413 ignition coils pack combined with platinum spark plugs and a full spark plug wire set is evaluated for V8 owners who need a complete ignition refresh. The bottom line: this kit is for drivers of compatible Cadillac, Chevrolet, Buick and GMC V8 models who want a single-purchase replacement for coils, wires and plugs that aims to restore misfire-free running and smoother idle. It is notable for broad fit coverage across 4.8L, 5.3L, 6.0L and 6.2L V8 applications and for bundling parts that normally must be bought separately.

Key Features

• Complete kit: Includes eight UF413 ignition coils, eight platinum spark plugs and a full set of spark plug wires so the entire ignition circuit can be serviced at once.
• Multiple part cross-references: Coil and wire part numbers such as IGNITION PART NUMBER12570616 and 12192195 increase the chance of correct replacement for many GM V8 engines.
• Spark plug sizing: Plugs list a thread diameter of 0.54 in and thread length of 0.7 in so installers can check for correct reach before fitting to avoid interference.
• Wide vehicle coverage: The kit is compatible with many Buick, Cadillac, Chevrolet and GMC models from mid 2000s through mid 2010s, simplifying ordering for fleet or multi-vehicle owners.
• Ease of installation: Customers report straightforward installation and quick improvements in idle and engine smoothness when the parts fit correctly.

Who It's For

This kit is best for DIY mechanics and professional techs working on GM V8 engines listed in the compatibility notes, including 4.8L, 5.3L, 6.0L and 6.2L engines across Cadillac, Chevrolet, Buick and GMC models. It is particularly useful when ignition misfires, rough idle or worn wires and coils are suspected and a full circuit replacement is preferred for reliability.

Owners who need OE-branded exact-match parts, or who have vehicles outside the listed model years and engine sizes, should verify fit carefully and may prefer factory original components. Also check plug reach against the engine's required thread length to avoid fitment surprises.

Pros & Cons

Pros

• All-in-one kit simplifies ordering and replaces coils, plugs and wires together for consistent performance.
• Clear cross-reference numbers help match the kit to many GM V8 applications.
• Several customers reported improved engine performance and good value for money after installation.

Cons

• Quality impressions are mixed in customer feedback, with some users calling components less robust than OE units.
• Some reports indicate fit or plug length may not be exact for every vehicle, so measurement confirmation is advisable.

Specifications

Our Verdict

The DEEGOOLY UF413 kit is a pragmatic option for owners who want a single-package ignition rebuild for many GM V8 engines; it offers clear part cross-references and often restores smooth running at a lower cost than buying OE items separately. Verify plug reach and vehicle fit before installation, but for compatible models this kit represents solid value for drivers seeking improved engine performance without sourcing multiple parts.

Frequently Asked Questions

Will these parts fit my V8?
Check your engine size and model year against the provided compatibility list and compare spark plug thread length (0.7 in) before purchase to confirm fit.

Are the spark plugs platinum?
Yes, the kit lists platinum spark plugs with part references including 19299585 and related cross numbers.

Do customers see performance gains?
Many customers report improved idle and fewer misfires after installation when the parts fit correctly.