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Upgrade your engine's performance with the NGK Spark Plug Set (Part Number: 121200396642). This set contains four top-quality spark plugs meticulously designed to optimize ignition and fuel combustion within your vehicle's engine.
NGK, a renowned brand in automotive components, guarantees reliability and efficiency in these spark plugs. Crafted with precision and durability, these plugs meet or surpass OEM standards, ensuring consistent and smooth ignition.
Keep your engine operating at its peak performance with the NGK Spark Plug set, providing reliable ignition for enhanced engine efficiency.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector.
ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.
Each connector includes an additional terminal in case one becomes lost or damaged during installation.
*OEM cross reference PN# 12527519996 - Commonly used for the pencil-style ignition coil connector.
Please reference the original part number from the existing connector to confirm fitment, before ordering.
Suggested tools:
Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943
