Original Makita 422269-0 Bumper. Molded, shock-absorbing bumper that fits onto the hammer/bit sleeve area to protect the hammer case and anvil from knocks and wear; it’s the factory replacement shown as item 011 in Makita parts diagrams. Direct-fit, single-piece replacement for several Makita 18V impact drivers — including : DTD171 / TD001G and DTD171Z — and installs under the hammer case cover for a secure, factory‑correct fit. This is an original Makita part that restores the tool’s protective edge and clearances without modification.
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