Premium Iridium Spark Plug for Buick Engines
Ultra-fine 0.6mm iridium center electrode ensures precise ignition and extended durability. Laser-welded construction prevents performance degradation under extreme heat.
Multi-angle ground electrode design optimizes flame propagation for 15% faster combustion efficiency. OE-spec heat range (41-993/41-962) matches factory Buick ECU parameters.
Dual-YAG laser welding creates airtight seal against carbon buildup. Platinum sidewire reduces misfires during cold starts (-30°C).
Direct-fit replacement for Buick LaCrosse/Regal/Enclave models. CNC-machined hex body prevents stripping during installation.
Bulk pricing available for repair shops and fleet operators. Ships in OEM-grade packaging with anti-corrosion coating.
Note: Compatible with 2.0L/2.4L/3.0L EcoTec engines (2015-2023). Not for diesel applications.
























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Wholesale Auto Engine Systems Iridium Car Engine Spark Plug 41-993 41-962 for Buick
$2.2$3.74-41.18%
Specification:
OE Standard size
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