High-Performance Iridium Spark Plug for Optimal Engine Efficiency

Precision-engineered with ultra-fine iridium tip for superior durability and consistent ignition, ensuring reduced voltage requirements and extended service life. Direct OEM replacement (SILZKBR8D8S) compatible with BMW models requiring part number 12120039664.

Advanced Laser-Welded Construction for Unmatched Reliability

Features laser-welded iridium center electrode and tapered ground electrode to minimize quenching, enhancing flame kernel growth for smoother acceleration and improved fuel economy. Ideal for high-performance vehicles and daily commuters.

Exclusive Anti-Corrosion Nickel Alloy Shell

Nickel-plated shell resists rust and seizing, guaranteeing easy installation and long-term performance even under extreme temperatures. Perfect for drivers in humid or coastal regions.

Globally Trusted NGK Quality at Wholesale Price

Manufactured by NGK to meet strict OEM specifications, offered at unbeatable bulk rates. Stock up for fleet maintenance or resale with guaranteed lowest pricing worldwide.

Seamless Compatibility & Hassle-Free Installation

Exact match for BMW engines requiring SILZKBR8D8S plugs. Pre-gapped and ready to install, reducing downtime for workshops and DIY enthusiasts.