LCWRGS Ignition Coil Pack 3PCS for GM 3.8L V6 (D555/D545) — Direct-Fit, Improved Conductivity

LCWRGS 3PCS ignition coil pack set replaces D555 for 3.8L V6 Buick and Chevy engines, restoring reliable spark delivery and drivability.

This three-pack of ignition coils from LCWRGS is engineered as a direct-fit replacement for numerous GM 3.8L V6 applications. Designed to match OEM fit and electrical characteristics, these coils deliver improved conductivity and long-term durability using quality materials such as highly conductive copper windings and high-dielectric epoxy encapsulation. The set is ideal when replacing failed coils, addressing misfires, or refreshing an aging ignition system to help maintain smoother idling and stable engine response.

Which vehicles and part numbers does this coil pack set fit?

These coils are built to directly replace original equipment on many GM midsize and full-size models with the 3.8L V6 engine. Fitment covers multiple model years and common OE part numbers for an easy lookup.

• Buick LeSabre: 1992–2005 (3.8L V6)
• Buick Park Avenue: 1995–2005; Regal: 1995–2004; LaCrosse: 2005
• Chevrolet Impala: 2000–2005; Monte Carlo: 1998–2005; Camaro: 1995–2002
• Pontiac Grand Prix: 1997–2008; Firebird: 1995–2002; Trans Sport: 1992–1995
• Cross-references: D545, D555, C849, 5C1058, GN10123 and equivalent OEM coil pack numbers

How do these LCWRGS coils improve performance and reliability?

LCWRGS coils are specified to meet or exceed original electrical performance so they provide stable spark energy under varied operating conditions. Enhanced internal materials and assembly procedures reduce electrical leakage and thermal degradation, which helps lower the chance of misfires and erratic ignition behavior.

• Higher conductivity copper windings for consistent spark intensity
• High-dielectric epoxy to protect against moisture and heat
• Engineered to deliver up to approximately 15% more coil energy versus worn OE units
• Manufactured to match OE mounting, connector, and tower dimensions for plug-and-play replacement

What symptoms indicate it’s time to replace the ignition coils?

Worn or failing coils commonly produce drivability issues that are easy to detect. If you notice these signs, replacing coils—often in sets—is recommended to restore consistent combustion and reduce downstream component stress.

• Intermittent or persistent engine misfire and rough idle
• Check Engine Light or diagnostic trouble codes related to ignition
• Poor fuel economy, hesitation under acceleration, or decreased throttle response
• Visible ignition arcing, oil contamination, or cracked coil housings

How straightforward is installation and what’s included in the box?

Installation is typically a straightforward swap: disconnect battery, remove the engine cover if present, unplug coil connectors, unbolt and replace the coils. These LCWRGS units follow the OEM form factor for direct replacement and require minimal tools.

• Package includes three ignition coil packs (set of 3)
• Direct-fit design—no modification needed for compatible engines
• Basic hand tools and torque wrench recommended for secure mounting
• 24-month limited warranty and customer support from LCWRGS

Who is this for? This LCWRGS 3PCS ignition coil set is aimed at owners and mechanics of GM vehicles equipped with the 3.8L V6 looking for an economical, OE-style replacement. It suits DIYers replacing misfiring coils, independent shops performing tune-ups, and fleet technicians maintaining older Buicks, Chevrolets, or Pontiacs that need dependable ignition performance without costly dealer parts.