High-Performance DENSO Spark Plug 4511 PT16TT – Precision Engineered for Optimal Combustion

Genuine OEM Quality
– Authentic DENSO construction with advanced platinum-tipped center electrode (PT16TT) for extended durability and consistent ignition.
Engineered for Efficiency
– Ultra-fine 0.6mm iridium-enhanced center electrode reduces voltage requirements, improving fuel economy and cold-start reliability.
Exact Fit Guarantee
– Direct replacement for Buick Regal/GL8 (2.5L/3.0L, 2002-2007) and Cadillac XLR/SRX (4.6L) with factory-specified heat range (16) and thread pitch.
Corrosion-Resistant Design
– Triple-seal ceramic insulator and nickel-plated shell prevent gas leakage and withstand high-temperature environments.
Wholesale Advantage
– Globally sourced at unbeatable bulk pricing, backed by supply chain expertise in automotive OEM components.
Ideal for
– Fleet maintenance, repair shops, and DIY enthusiasts requiring OEM-grade spark plugs for GM V6/V8 platforms.
Note
– Sold in individual units; bulk discounts available for 50+ units.