{"product_id":"dewalt-n439275-anvil-assembly-genuine-oem-replacement-impact-driver-anvil-assembly","title":"DeWalt N439275 Anvil Assembly – Genuine OEM Replacement Impact Driver Anvil Assembly","description":"\u003cp data-start=\"0\" data-end=\"195\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e N439275\u003cbr data-start=\"24\" data-end=\"27\"\u003e\u003cstrong data-start=\"27\" data-end=\"40\"\u003eCategory:\u003c\/strong\u003e Power Tool Parts → Impact Driver Parts → Anvil Assemblies\u003cbr data-start=\"98\" data-end=\"101\"\u003e\u003cstrong data-start=\"101\" data-end=\"110\"\u003eType:\u003c\/strong\u003e DeWalt N439275 Anvil Assembly – Genuine OEM Replacement Impact Driver Anvil Assembly\u003c\/p\u003e\n\u003chr data-start=\"197\" data-end=\"200\"\u003e\n\u003cp data-start=\"290\" data-end=\"857\"\u003eThe \u003cstrong data-start=\"294\" data-end=\"327\"\u003eDeWalt N439275 Anvil Assembly\u003c\/strong\u003e is a genuine OEM replacement anvil assembly designed for compatible \u003cstrong data-start=\"396\" data-end=\"430\"\u003eDeWalt cordless impact drivers\u003c\/strong\u003e. This precision-machined component forms the tool's output shaft and 1\/4-inch quick-change bit holder, transferring rotational torque and impact force from the hammer mechanism to the driver bit. Manufactured to original equipment specifications, it provides a direct-fit replacement for worn, damaged, or excessively loose anvils, restoring reliable bit retention and impact performance.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1077\" data-end=\"1080\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1082\" data-end=\"1108\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1110\" data-end=\"1509\"\u003e\n\u003cli data-section-id=\"i9h1gm\" data-start=\"1110\" data-end=\"1136\"\u003e\n\u003cstrong data-start=\"1112\" data-end=\"1128\"\u003ePart Number:\u003c\/strong\u003e N439275\u003c\/li\u003e\n\u003cli data-section-id=\"1platsi\" data-start=\"1137\" data-end=\"1174\"\u003eGenuine OEM DeWalt replacement part\u003c\/li\u003e\n\u003cli data-section-id=\"ivrz3x\" data-start=\"1175\" data-end=\"1212\"\u003eComplete replacement anvil assembly\u003c\/li\u003e\n\u003cli data-section-id=\"1va9836\" data-start=\"1213\" data-end=\"1267\"\u003eIncludes integrated 1\/4-inch quick-change bit holder\u003c\/li\u003e\n\u003cli data-section-id=\"1b7bhlw\" data-start=\"1268\" data-end=\"1335\"\u003eTransfers impact energy from the hammer mechanism to the fastener\u003c\/li\u003e\n\u003cli data-section-id=\"1i5p8ta\" data-start=\"1336\" data-end=\"1390\"\u003ePrecision-machined steel construction for durability\u003c\/li\u003e\n\u003cli data-section-id=\"p6iksq\" data-start=\"1391\" data-end=\"1419\"\u003eDirect-fit OEM replacement\u003c\/li\u003e\n\u003cli data-section-id=\"vgnwhe\" data-start=\"1420\" data-end=\"1509\"\u003eManufactured to original equipment specifications \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1511\" data-end=\"1514\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1516\" data-end=\"1543\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1545\" data-end=\"1569\"\u003e\u003cstrong data-start=\"1545\" data-end=\"1561\"\u003ePart Number:\u003c\/strong\u003e N439275\u003c\/p\u003e\n\u003cp data-start=\"1571\" data-end=\"1595\"\u003e\u003cstrong data-start=\"1571\" data-end=\"1588\"\u003eManufacturer:\u003c\/strong\u003e DeWalt\u003c\/p\u003e\n\u003cp data-start=\"1597\" data-end=\"1629\"\u003e\u003cstrong data-start=\"1597\" data-end=\"1614\"\u003eProduct Type:\u003c\/strong\u003e Anvil Assembly\u003c\/p\u003e\n\u003cp data-start=\"1631\" data-end=\"1659\"\u003e\u003cstrong data-start=\"1631\" data-end=\"1644\"\u003eMaterial:\u003c\/strong\u003e Hardened Steel\u003c\/p\u003e\n\u003cp data-start=\"1661\" data-end=\"1701\"\u003e\u003cstrong data-start=\"1661\" data-end=\"1676\"\u003eDrive Size:\u003c\/strong\u003e 1\/4 in. Hex Quick-Change\u003c\/p\u003e\n\u003cp data-start=\"1703\" data-end=\"1742\"\u003e\u003cstrong data-start=\"1703\" data-end=\"1719\"\u003eApplication:\u003c\/strong\u003e Cordless Impact Driver\u003c\/p\u003e\n\u003cp data-start=\"1744\" data-end=\"1761\"\u003e\u003cstrong data-start=\"1744\" data-end=\"1757\"\u003eOEM Part:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003cp data-start=\"1763\" data-end=\"1832\"\u003e\u003cstrong data-start=\"1763\" data-end=\"1776\"\u003eQuantity:\u003c\/strong\u003e Sold Individually \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1834\" data-end=\"1837\"\u003e\n\u003ch2 data-section-id=\"17z2fqi\" data-start=\"1839\" data-end=\"1865\"\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp data-start=\"1867\" data-end=\"1954\"\u003eThe \u003cstrong data-start=\"1871\" data-end=\"1904\"\u003eDeWalt N439275 Anvil Assembly\u003c\/strong\u003e fits compatible DeWalt impact drivers, including:\u003c\/p\u003e\n\u003ch3 data-section-id=\"gjy67d\" data-start=\"1956\" data-end=\"1966\"\u003eDeWalt\u003c\/h3\u003e\n\u003cul data-start=\"1968\" data-end=\"2191\"\u003e\n\u003cli data-section-id=\"uc07ug\" data-start=\"1968\" data-end=\"1987\"\u003e\u003cstrong data-start=\"1970\" data-end=\"1987\"\u003eDCF787 Type 1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1hx2ol\" data-start=\"1988\" data-end=\"2008\"\u003e\u003cstrong data-start=\"1990\" data-end=\"2008\"\u003eDCF887B Type 1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1hx51y\" data-start=\"2009\" data-end=\"2029\"\u003e\u003cstrong data-start=\"2011\" data-end=\"2029\"\u003eDCF887B Type 2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1hx49j\" data-start=\"2030\" data-end=\"2050\"\u003e\u003cstrong data-start=\"2032\" data-end=\"2050\"\u003eDCF887B Type 3\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"z6u4v5\" data-start=\"2051\" data-end=\"2072\"\u003e\u003cstrong data-start=\"2053\" data-end=\"2072\"\u003eDCF887D2 Type 1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"z6u3z6\" data-start=\"2073\" data-end=\"2094\"\u003e\u003cstrong data-start=\"2075\" data-end=\"2094\"\u003eDCF887D2 Type 2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1uwuk14\" data-start=\"2095\" data-end=\"2116\"\u003e\u003cstrong data-start=\"2097\" data-end=\"2116\"\u003eDCF887M2 Type 1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1uwuo2z\" data-start=\"2117\" data-end=\"2138\"\u003e\u003cstrong data-start=\"2119\" data-end=\"2138\"\u003eDCF887M2 Type 2\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"17chfeb\" data-start=\"2139\" data-end=\"2152\"\u003e\u003cstrong data-start=\"2141\" data-end=\"2152\"\u003eDCF888B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1f1j2ct\" data-start=\"2153\" data-end=\"2191\"\u003e\n\u003cstrong data-start=\"2155\" data-end=\"2165\"\u003eDCF809\u003c\/strong\u003e (select models and types)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2193\" data-end=\"2263\"\u003eIt is also used on select \u003cstrong data-start=\"2219\" data-end=\"2251\"\u003eCraftsman V20 Impact Drivers\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul data-start=\"2265\" data-end=\"2360\"\u003e\n\u003cli data-section-id=\"t0mdju\" data-start=\"2265\" data-end=\"2278\"\u003e\u003cstrong data-start=\"2267\" data-end=\"2278\"\u003eCMCF810\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"t0n3qx\" data-start=\"2279\" data-end=\"2292\"\u003e\u003cstrong data-start=\"2281\" data-end=\"2292\"\u003eCMCF820\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"15i2pox\" data-start=\"2293\" data-end=\"2360\"\u003e\n\u003cstrong data-start=\"2295\" data-end=\"2306\"\u003eCMCF813\u003c\/strong\u003e (select models) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2362\" data-end=\"2478\"\u003eAlways verify your tool model, type number, and original part number before ordering to ensure proper compatibility.\u003c\/p\u003e\n\u003chr data-start=\"2480\" data-end=\"2483\"\u003e\n\u003ch2 data-section-id=\"1b9n3h1\" data-start=\"2485\" data-end=\"2518\"\u003eFunction of the Anvil Assembly\u003c\/h2\u003e\n\u003cp data-start=\"2520\" data-end=\"2566\"\u003eThe \u003cstrong data-start=\"2524\" data-end=\"2550\"\u003eN439275 Anvil Assembly\u003c\/strong\u003e is designed to:\u003c\/p\u003e\n\u003cul data-start=\"2568\" data-end=\"2829\"\u003e\n\u003cli data-section-id=\"1okvz0p\" data-start=\"2568\" data-end=\"2608\"\u003eHold 1\/4-inch hex driver bits securely\u003c\/li\u003e\n\u003cli data-section-id=\"641auu\" data-start=\"2609\" data-end=\"2656\"\u003eTransfer rotational torque and hammer impacts\u003c\/li\u003e\n\u003cli data-section-id=\"1v8giuk\" data-start=\"2657\" data-end=\"2702\"\u003eDeliver fastening power to screws and bolts\u003c\/li\u003e\n\u003cli data-section-id=\"1f0wjns\" data-start=\"2703\" data-end=\"2730\"\u003eSupport quick bit changes\u003c\/li\u003e\n\u003cli data-section-id=\"gebpot\" data-start=\"2731\" data-end=\"2782\"\u003eMaintain proper alignment of the impact mechanism\u003c\/li\u003e\n\u003cli data-section-id=\"rch470\" data-start=\"2783\" data-end=\"2829\"\u003eRestore original factory driving performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2831\" data-end=\"3003\"\u003eUsing a genuine OEM replacement anvil assembly helps maintain proper bit retention, impact efficiency, and long-term tool reliability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3005\" data-end=\"3008\"\u003e\n\u003ch2 data-section-id=\"1cnbljb\" data-start=\"3010\" data-end=\"3047\"\u003eCommon Signs Replacement Is Needed\u003c\/h2\u003e\n\u003cp data-start=\"3049\" data-end=\"3090\"\u003eReplace the anvil assembly if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3092\" data-end=\"3303\"\u003e\n\u003cli data-section-id=\"op46vb\" data-start=\"3092\" data-end=\"3114\"\u003eExcessive bit wobble\u003c\/li\u003e\n\u003cli data-section-id=\"xsoc5u\" data-start=\"3115\" data-end=\"3164\"\u003eDriver bits falling out or not locking securely\u003c\/li\u003e\n\u003cli data-section-id=\"18kqwxu\" data-start=\"3165\" data-end=\"3193\"\u003eRounded or worn hex socket\u003c\/li\u003e\n\u003cli data-section-id=\"lxptjz\" data-start=\"3194\" data-end=\"3225\"\u003eReduced fastening performance\u003c\/li\u003e\n\u003cli data-section-id=\"6d0pbj\" data-start=\"3226\" data-end=\"3263\"\u003eVisible wear or damage to the anvil\u003c\/li\u003e\n\u003cli data-section-id=\"vt8z26\" data-start=\"3264\" data-end=\"3303\"\u003eDifficulty inserting or removing bits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3305\" data-end=\"3565\"\u003eA worn anvil assembly can reduce fastening accuracy and may cause poor bit retention or inconsistent impact performance. Community repair reports also note that excessive chuck wobble can result from a worn anvil assembly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3567\" data-end=\"3570\"\u003e\n\u003ch2 data-section-id=\"10va281\" data-start=\"3572\" data-end=\"3603\"\u003eInstallation \u0026amp; Service Notes\u003c\/h2\u003e\n\u003cp data-start=\"3605\" data-end=\"3663\"\u003eRemove the battery pack before performing any maintenance.\u003c\/p\u003e\n\u003cp data-start=\"3665\" data-end=\"4270\"\u003eDisassemble the front gear housing according to the manufacturer's service instructions to access the hammer and anvil assembly. Carefully remove the retaining components, springs, and washers while noting their orientation. Install the new \u003cstrong data-start=\"3906\" data-end=\"3932\"\u003eN439275 Anvil Assembly\u003c\/strong\u003e, ensuring all internal components are correctly positioned and lightly lubricated with the manufacturer-recommended grease. Reassemble the gear case, tighten all fasteners to specification, and verify smooth bit insertion, retention, and tool operation before returning the impact driver to service. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4272\" data-end=\"4567\"\u003e\u003cstrong data-start=\"4272\" data-end=\"4286\"\u003eImportant:\u003c\/strong\u003e Always verify your impact driver model and type number before ordering. Inspect the hammer mechanism, retaining ring, washer, and nose assembly for wear whenever replacing the anvil assembly, replacing any damaged components at the same time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4569\" data-end=\"4572\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4574\" data-end=\"4604\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4606\" data-end=\"5063\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1dti1re\" data-start=\"4606\" data-end=\"4659\"\u003eKeep the bit holder clean and free of metal debris.\u003c\/li\u003e\n\u003cli data-section-id=\"1mh7ypi\" data-start=\"4660\" data-end=\"4721\"\u003ePeriodically inspect the anvil for wear and excessive play.\u003c\/li\u003e\n\u003cli data-section-id=\"1xcau4g\" data-start=\"4722\" data-end=\"4791\"\u003eReplace worn retaining rings or springs if bit retention decreases.\u003c\/li\u003e\n\u003cli data-section-id=\"19fm3jy\" data-start=\"4792\" data-end=\"4828\"\u003eUse only impact-rated accessories.\u003c\/li\u003e\n\u003cli data-section-id=\"ajamrd\" data-start=\"4829\" data-end=\"4899\"\u003eLubricate internal hammer components during major service intervals.\u003c\/li\u003e\n\u003cli data-section-id=\"18yots6\" data-start=\"4900\" data-end=\"5063\" data-is-last-node=\"\"\u003eUse genuine OEM replacement parts to maintain factory fit, reliable bit retention, and long-term impact driver performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DeWalt","offers":[{"title":"Default Title","offer_id":53577683272043,"sku":"N439275","price":16.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/N439275.jpg?v=1784583355","url":"https:\/\/generalsprayers.com\/products\/dewalt-n439275-anvil-assembly-genuine-oem-replacement-impact-driver-anvil-assembly","provider":"GeneralSprayers","version":"1.0","type":"link"}