Genuine GM ACDelco Iridium Spark Plug 12681659 VU Superseded Part Numbers:

Superseded Part Numbers:

Built to meet or exceed OEM specifications for sealing and filtration performance

It facilitates efficient coolant flow by bypassing the heater core

and grease

these clamps are built to last

Genuine GM ACDelco Iridium Spark Plug 12681659 VU Superseded Part Numbers:ACDelco GM OE (Professional) Iridium Spark Plugs 12681659 are a high quality replacement ideal for many vehicles on the road today. They are the latest in spark plug technology and an exact replacement for your vehicle's original components. Iridium composition of the spark plug provides a high melting point and great strength, and provides excellent wear resistance and durability.