Porsche Disc Brake Pad Wear Sensor – Front 95861236500 Valvetrain Replace worn supports with this

Replace worn supports with this Lesjofors OE-quality unit

and 867819121A

It accurately measures exhaust oxygen levels to help the engine control unit adjust the air-fuel mixture

which reduces stress on the belt and the engine

5L4 Turbo Porsche 944 1988 2

Porsche Disc Brake Pad Wear Sensor – Front 95861236500 Valvetrain Replace worn supports with thisCommon in higher end or luxury vehicles, the disk brake pad wear sensor is designed to alert drivers when the brake pad is approaching the end of its life and needs to be replaced. The sensor is very simple, effectively a loop of wire that extends up from the back of the brake pad to the minimum spec depth. As long as the electrical loop is complete, the light will stay off. As soon as the brake pad wears to the minimum thickness, the loop will be