This part is a non original compatible spare part, and the manufacturer's name and part number are for reference only. Please note If there are errors during the installation and replacement of this product, resulting in damage or inability to use our product, we offer a one month refund. Your satisfaction is always our highest pursuit! We accept bulk product orders Product Details For DeWalt Piston Assy., part# 579779-01 Measures approximately 4.95 X 4.00 X 1.95 inches Compatibility This part is compatible with the following: D25899K, D25900K, D25900K, D25902K, D25901K, D25901K Quality Assurance: Well-designed, well-crafted. Not an OEM part, but meets OEM manufacturing requirements. This is the manufacturer's replacement and is functionally equivalent to the previous part. Made of highly durable materials, rigorously tested, compact & sturdy, longevous. Non OEM parts but meets OEM manufacturing requirements. Easy to install, saves time and money. Please confirm that the model you need to buy matches our model before ordering. After-sale guarantee: what we have been pursuing is customer satisfaction. If you are not satisfied with the product, please contact us! We will show you our sincere attitude and satisfactory solution. Brand Name Tolxh Unit Count 1.0 Count Item Weight 2.4 ounces Manufacturer Tolxh Model Number 579779-01 Included Components 1