High Quality Bosch Window Fuel Plunger 2418 425 981 plunger

Original Weifu plunger made in Wuxi 

We can offer you A ype ,AD type,P type ,PS7100,Windows type,PT type plungers, Spring plungers.

We can also make the plungers according to your drawings and samples.

For each order's plunger ,we will give you quality report  as following:

1,Plunger Barrel

1.1 Steel Grade used

1.2 Actual hardness index

1.3 Results of inner precision surface and holes measurements to indicate the average actal value of 

surface finish,roudnessaccuracy ,conicity,straightness and so on.

2, Plunger

2.1 Steel Grade used

2.2 Actual hardness index

2.3  Results of inner precision surface and holes measurements to indicate the average actal value of 

surface finish,roudnessaccuracy ,conicity,straightness and so on.

3 Plunger and plunger barrel assembly

3.1 Plunger movability

3.2 Hydraulic Chracteristic