Shop Buick Century Spark Plug. 3.0 & 3.6 LITER. 3.0 liter. 3.0 LITER & 3.6 LITER. 3.0, 3.6 LITER. 3.6 LITER, TWIN-TURBO - OEM Buick Part # 12681660 (12622561, 41-109, 41109)

Spark Plug.
Spark Plug.

Spark Plug

3.0 & 3.6 LITER. 3.0 liter. 3.0 LITER & 3.6 LITER. 3.0, 3.6 LITER. 3.6 LITER. 3.6 LITER W/O TWIN-TURBO. 3.6 LITER, 2nd design. 3.6 LITER, 3.6 LITER TWIN-TURBO. 3.6 LITER, w/o bi-fuel. 3.6 LITER, w/o twin-turbo. SEDAN, 3.0 & 3.6 LITER. W/o twin-turbo. WAGON, 3.0, 3.6 LITER.