Porsche Spark Plug 99917022390 Direct Injection Fuel Pump In-tank design: Operates quietly and

In-tank design: Operates quietly and efficiently inside the fuel tank

system must be bled to remove air after installation to prevent noise and cavitation

4B4) 1998–2000 2

Bolted Mount: Secure attachment ensures accurate sensor positioning

Porsche Spark Plug 99917022390 Direct Injection Fuel Pump In-tank design: Operates quietly andThe spark plug is a critical component to the proper running engine. In a conventional gasoline engine, the air fuel mixture is ignited by the spark plug to drive the piston down and convert this energy to horsepower. If your spark plugs arent in good shape, this crucial process can be severely hindered to the point of power loss, hesitation, misfires, and poor start up performance. Typical service schedule for standard copper tip spark plugs is