DCF899HB (Type 4) DeWALT Impact Driver - Overview
Diagrams for DCF899HB
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O Ring
Part #050056-00
Maintain a secure seal and reliable performance in your power tool with this durable O-ring. Sourced from the original equipment manufacturer, this flexible rubber component is designed to create an airtight seal between connected parts. Over time, O-rings can deteriorate, crack, or lose elasticity—leading to air leaks and reduced tool ef...Read moreficiency. Sold individually, this replacement part offers a simple and effective solution to restore proper function and prevent performance issues.
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Ring,spring
Part #086947-00
Maintain the performance of your impact wrench with this genuine OEM ring spring. Designed for use with select DeWALT, Black & Decker, and Porter Cable models, this durable metal component fits securely on the anvil to help retain sockets during operation. Over time, the ring spring can wear out, become damaged, or go missing—leading to r...Read moreeduced tool efficiency or socket retention issues. Replacing it is a simple fix that restores proper function. Be sure to consult your tool’s diagram to confirm the correct placement. This part is sold individually.
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LENS
Part #N394333
Ident Label
Part #N238000
Roll Pin
Part #N071836
Tool Bag
Part #N037466
Plastite Screw
Part #330019-04
This is an authentic replacement part that is sourced from the original manufacturer for use with hedge trimmers. The special screw is commonly used to secure the front guard assembly. This screw is sold as an individual replacement part, please note four screws may be required.
GEARCASE
Part #N363283
Washer
Part #N464079
Battery Pack20v Max 5.0ah Socn
Part #DCB205
Mechanism Assy
Part #N851243
Serving as the heart of the impact mechanism, this mechanism assembly is responsible for converting the motor's rotational force into the high-torque hammering action required for fastening and loosening demanding applications. The assembly contains critical internal components that work together to transfer power efficiently to the outpu...Read moret drive, helping deliver consistent impact performance and reliable torque output. Manufactured to original equipment standards, it is designed to restore performance in impact wrenches affected by worn or damaged internal mechanism components. Built for durability and dependable operation, this assembly helps maintain smooth power transfer, reduce internal wear, and support the long-term performance of your cordless impact wrench.
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RETAINING RING
Part #N389400