{"product_id":"dewalt-174055-o-ring-44-7mm-x-3-5mm-genuine-oem-replacement-nailer-seal","title":"DeWalt 174055 O-Ring (44.7mm x 3.5mm) – Genuine OEM Replacement Nailer Seal","description":"\u003cp data-start=\"0\" data-end=\"189\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 174055\u003cbr data-start=\"23\" data-end=\"26\"\u003e\u003cstrong data-start=\"26\" data-end=\"39\"\u003eCategory:\u003c\/strong\u003e Air Tool Parts \u0026amp; Accessories → Nailer Parts → O-Rings \u0026amp; Seals\u003cbr data-start=\"101\" data-end=\"104\"\u003e\u003cstrong data-start=\"104\" data-end=\"113\"\u003eType:\u003c\/strong\u003e DeWalt 174055 O-Ring (44.7mm × 3.5mm) – Genuine OEM Replacement Nailer Seal\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"191\" data-end=\"194\"\u003e\n\u003cp data-start=\"275\" data-end=\"833\"\u003eThe \u003cstrong data-start=\"279\" data-end=\"303\"\u003eDeWalt 174055 O-Ring\u003c\/strong\u003e is a genuine OEM replacement pneumatic seal designed for compatible DeWalt and Bostitch air nailers. Measuring \u003cstrong data-start=\"415\" data-end=\"435\"\u003e44.7 mm × 3.5 mm\u003c\/strong\u003e, this precision-manufactured O-ring creates an airtight seal between internal pneumatic components, helping maintain proper air pressure for consistent driver operation and reliable nail feeding. Manufactured to original equipment specifications, it provides a direct-fit replacement for worn, cracked, flattened, or leaking seals, helping restore the nailer's original performance and efficiency.\u003c\/p\u003e\n\u003chr data-start=\"997\" data-end=\"1000\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1002\" data-end=\"1028\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1030\" data-end=\"1371\"\u003e\n\u003cli data-section-id=\"bvjmzo\" data-start=\"1030\" data-end=\"1055\"\u003e\n\u003cstrong data-start=\"1032\" data-end=\"1048\"\u003ePart Number:\u003c\/strong\u003e 174055\u003c\/li\u003e\n\u003cli data-section-id=\"1platsi\" data-start=\"1056\" data-end=\"1093\"\u003eGenuine OEM DeWalt replacement part\u003c\/li\u003e\n\u003cli data-section-id=\"1w8h76p\" data-start=\"1094\" data-end=\"1129\"\u003eReplacement pneumatic O-ring seal\u003c\/li\u003e\n\u003cli data-section-id=\"13225hz\" data-start=\"1130\" data-end=\"1164\"\u003e\n\u003cstrong data-start=\"1132\" data-end=\"1147\"\u003eDimensions:\u003c\/strong\u003e 44.7 mm × 3.5 mm\u003c\/li\u003e\n\u003cli data-section-id=\"6gb4\" data-start=\"1165\" data-end=\"1205\"\u003eMaintains proper internal air pressure\u003c\/li\u003e\n\u003cli data-section-id=\"g21a06\" data-start=\"1206\" data-end=\"1243\"\u003eHelps eliminate pneumatic air leaks\u003c\/li\u003e\n\u003cli data-section-id=\"1ebmwqs\" data-start=\"1244\" data-end=\"1290\"\u003eDurable, high-quality elastomer construction\u003c\/li\u003e\n\u003cli data-section-id=\"p6iksq\" data-start=\"1291\" data-end=\"1319\"\u003eDirect-fit OEM replacement\u003c\/li\u003e\n\u003cli data-section-id=\"fyhvnz\" data-start=\"1320\" data-end=\"1371\"\u003eManufactured to original equipment specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1373\" data-end=\"1376\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1378\" data-end=\"1405\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1407\" data-end=\"1430\"\u003e\u003cstrong data-start=\"1407\" data-end=\"1423\"\u003ePart Number:\u003c\/strong\u003e 174055\u003c\/p\u003e\n\u003cp data-start=\"1432\" data-end=\"1456\"\u003e\u003cstrong data-start=\"1432\" data-end=\"1449\"\u003eManufacturer:\u003c\/strong\u003e DeWalt\u003c\/p\u003e\n\u003cp data-start=\"1458\" data-end=\"1499\"\u003e\u003cstrong data-start=\"1458\" data-end=\"1475\"\u003eProduct Type:\u003c\/strong\u003e O-Ring \/ Pneumatic Seal\u003c\/p\u003e\n\u003cp data-start=\"1501\" data-end=\"1527\"\u003e\u003cstrong data-start=\"1501\" data-end=\"1510\"\u003eSize:\u003c\/strong\u003e 44.7 mm × 3.5 mm\u003c\/p\u003e\n\u003cp data-start=\"1529\" data-end=\"1546\"\u003e\u003cstrong data-start=\"1529\" data-end=\"1542\"\u003eOEM Part:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003cp data-start=\"1548\" data-end=\"1590\"\u003e\u003cstrong data-start=\"1548\" data-end=\"1564\"\u003eApplication:\u003c\/strong\u003e Pneumatic Nailer Air Seal\u003c\/p\u003e\n\u003chr data-start=\"1592\" data-end=\"1595\"\u003e\n\u003ch2 data-section-id=\"17z2fqi\" data-start=\"1597\" data-end=\"1623\"\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp data-start=\"1625\" data-end=\"1666\"\u003eThe \u003cstrong data-start=\"1629\" data-end=\"1653\"\u003eDeWalt 174055 O-Ring\u003c\/strong\u003e fits select:\u003c\/p\u003e\n\u003ch3 data-section-id=\"dqq1qy\" data-start=\"1668\" data-end=\"1680\"\u003eBostitch\u003c\/h3\u003e\n\u003cul data-start=\"1682\" data-end=\"2186\"\u003e\n\u003cli data-section-id=\"w12fzm\" data-start=\"1682\" data-end=\"1717\"\u003e\n\u003cstrong data-start=\"1684\" data-end=\"1692\"\u003eCF15\u003c\/strong\u003e Corrugated Tool (Type 0)\u003c\/li\u003e\n\u003cli data-section-id=\"b2jugu\" data-start=\"1718\" data-end=\"1772\"\u003e\n\u003cstrong data-start=\"1720\" data-end=\"1730\"\u003eMCN150\u003c\/strong\u003e StrapShot Metal Connector Nailer (Type 0)\u003c\/li\u003e\n\u003cli data-section-id=\"1jujbyr\" data-start=\"1773\" data-end=\"1839\"\u003e\n\u003cstrong data-start=\"1775\" data-end=\"1785\"\u003eMCN250\u003c\/strong\u003e 35° Metal Connector Framing Nailer StrapShot (Type 0)\u003c\/li\u003e\n\u003cli data-section-id=\"ukmhcj\" data-start=\"1840\" data-end=\"1924\"\u003e\n\u003cstrong data-start=\"1842\" data-end=\"1853\"\u003eMCN250S\u003c\/strong\u003e 35° Metal Connector Framing Nailer StrapShot – Short Magazine (Type 0)\u003c\/li\u003e\n\u003cli data-section-id=\"v8hgx1\" data-start=\"1925\" data-end=\"2026\"\u003e\n\u003cstrong data-start=\"1927\" data-end=\"1937\"\u003eN66C-1\u003c\/strong\u003e 1-1\/4\" to 2-1\/2\" Coil Siding Nailer with Aluminum Housing (Type \u003cstrong data-start=\"2002\" data-end=\"2025\"\u003e62860000 and Higher\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-section-id=\"1oei7lq\" data-start=\"2027\" data-end=\"2129\"\u003e\n\u003cstrong data-start=\"2029\" data-end=\"2039\"\u003eN66C-1\u003c\/strong\u003e 1-1\/4\" to 2-1\/2\" Coil Siding Nailer with Aluminum Housing (Type \u003cstrong data-start=\"2104\" data-end=\"2128\"\u003e072400000 and Higher\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-section-id=\"3dg21\" data-start=\"2130\" data-end=\"2186\"\u003e\n\u003cstrong data-start=\"2132\" data-end=\"2142\"\u003eN75C-1\u003c\/strong\u003e 15° Coil Sheathing \u0026amp; Siding Nailer (Type 0)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"gjy67d\" data-start=\"2188\" data-end=\"2198\"\u003eDeWalt\u003c\/h3\u003e\n\u003cul data-start=\"2200\" data-end=\"2362\"\u003e\n\u003cli data-section-id=\"1t6y2lv\" data-start=\"2200\" data-end=\"2245\"\u003e\n\u003cstrong data-start=\"2202\" data-end=\"2213\"\u003eDW66C-1\u003c\/strong\u003e 15° Coil Siding Nailer (Type 0)\u003c\/li\u003e\n\u003cli data-section-id=\"mszizq\" data-start=\"2246\" data-end=\"2311\"\u003e\n\u003cstrong data-start=\"2248\" data-end=\"2259\"\u003eDW66C-1\u003c\/strong\u003e Air Nailer \u0026amp; Stapler (Type \u003cstrong data-start=\"2287\" data-end=\"2310\"\u003e17300000 and Higher\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-section-id=\"qdbqmm\" data-start=\"2312\" data-end=\"2362\"\u003e\n\u003cstrong data-start=\"2314\" data-end=\"2325\"\u003eDWMC150\u003c\/strong\u003e 1.5\" Metal Connector Nailer (Type 1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2364\" data-end=\"2480\"\u003eAlways verify your tool model, type number, and original part number before ordering to ensure proper compatibility.\u003c\/p\u003e\n\u003chr data-start=\"2482\" data-end=\"2485\"\u003e\n\u003ch2 data-section-id=\"1x3s9lz\" data-start=\"2487\" data-end=\"2512\"\u003eFunction of the O-Ring\u003c\/h2\u003e\n\u003cp data-start=\"2514\" data-end=\"2625\"\u003eThe \u003cstrong data-start=\"2518\" data-end=\"2542\"\u003eDeWalt 174055 O-Ring\u003c\/strong\u003e is a critical sealing component within the nailer's pneumatic system. It helps to:\u003c\/p\u003e\n\u003cul data-start=\"2627\" data-end=\"2861\"\u003e\n\u003cli data-section-id=\"x9aitx\" data-start=\"2627\" data-end=\"2680\"\u003eCreate an airtight seal between internal components\u003c\/li\u003e\n\u003cli data-section-id=\"1d66fqx\" data-start=\"2681\" data-end=\"2721\"\u003eMaintain proper operating air pressure\u003c\/li\u003e\n\u003cli data-section-id=\"15o2h82\" data-start=\"2722\" data-end=\"2742\"\u003eReduce air leakage\u003c\/li\u003e\n\u003cli data-section-id=\"1koodc1\" data-start=\"2743\" data-end=\"2771\"\u003eImprove firing consistency\u003c\/li\u003e\n\u003cli data-section-id=\"e9bnqa\" data-start=\"2772\" data-end=\"2807\"\u003eSupport efficient piston movement\u003c\/li\u003e\n\u003cli data-section-id=\"xub9p\" data-start=\"2808\" data-end=\"2861\"\u003eRestore the nailer's original pneumatic performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2863\" data-end=\"2982\"\u003eUsing a genuine OEM replacement O-ring helps ensure proper fit, dependable sealing, and long-term air tool reliability.\u003c\/p\u003e\n\u003chr data-start=\"2984\" data-end=\"2987\"\u003e\n\u003ch2 data-section-id=\"1cnbljb\" data-start=\"2989\" data-end=\"3026\"\u003eCommon Signs Replacement Is Needed\u003c\/h2\u003e\n\u003cp data-start=\"3028\" data-end=\"3061\"\u003eReplace the O-ring if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3063\" data-end=\"3252\"\u003e\n\u003cli data-section-id=\"pi8yjq\" data-start=\"3063\" data-end=\"3090\"\u003eAir leaking from the tool\u003c\/li\u003e\n\u003cli data-section-id=\"ha1zh6\" data-start=\"3091\" data-end=\"3114\"\u003eReduced driving power\u003c\/li\u003e\n\u003cli data-section-id=\"1riud2l\" data-start=\"3115\" data-end=\"3140\"\u003eNails not fully seating\u003c\/li\u003e\n\u003cli data-section-id=\"1aaviwi\" data-start=\"3141\" data-end=\"3162\"\u003eInconsistent firing\u003c\/li\u003e\n\u003cli data-section-id=\"10i2xn1\" data-start=\"3163\" data-end=\"3202\"\u003eCracked, flattened, or brittle O-ring\u003c\/li\u003e\n\u003cli data-section-id=\"3c3mj1\" data-start=\"3203\" data-end=\"3252\"\u003eAir escaping from the cylinder during operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3254\" data-end=\"3388\"\u003eA worn or damaged O-ring can reduce pneumatic efficiency, increase air consumption, and lead to inconsistent nail driving performance.\u003c\/p\u003e\n\u003chr data-start=\"3390\" data-end=\"3393\"\u003e\n\u003ch2 data-section-id=\"10va281\" data-start=\"3395\" data-end=\"3426\"\u003eInstallation \u0026amp; Service Notes\u003c\/h2\u003e\n\u003cp data-start=\"3428\" data-end=\"3525\"\u003eDisconnect the nailer from the air supply and remove all fasteners before performing any repairs.\u003c\/p\u003e\n\u003cp data-start=\"3527\" data-end=\"4019\"\u003eDisassemble the pneumatic assembly according to the manufacturer's service instructions to access the \u003cstrong data-start=\"3629\" data-end=\"3646\"\u003e174055 O-Ring\u003c\/strong\u003e. Remove the worn seal and inspect the cylinder, piston, valve components, and sealing grooves for dirt, scoring, or damage. Lightly lubricate the new O-ring using a pneumatic tool lubricant before installation, taking care not to twist or pinch the seal. Reassemble the tool, reconnect the air supply, and verify leak-free operation before returning the nailer to service.\u003c\/p\u003e\n\u003cp data-start=\"4021\" data-end=\"4311\"\u003e\u003cstrong data-start=\"4021\" data-end=\"4035\"\u003eImportant:\u003c\/strong\u003e Always verify your tool model, type number, and original part number before ordering. Replace other worn O-rings during major service intervals to maintain optimum pneumatic performance. Use genuine OEM DeWalt replacement seals to ensure proper fit and long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"4313\" data-end=\"4316\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4318\" data-end=\"4348\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4350\" data-end=\"4790\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"dfqxb8\" data-start=\"4350\" data-end=\"4427\"\u003eLubricate pneumatic seals with the manufacturer's recommended air tool oil.\u003c\/li\u003e\n\u003cli data-section-id=\"27z3er\" data-start=\"4428\" data-end=\"4490\"\u003eInspect O-rings regularly for cracking, flattening, or wear.\u003c\/li\u003e\n\u003cli data-section-id=\"378ptr\" data-start=\"4491\" data-end=\"4543\"\u003eKeep internal air passages clean during servicing.\u003c\/li\u003e\n\u003cli data-section-id=\"1rc2idk\" data-start=\"4544\" data-end=\"4595\"\u003eReplace worn seals promptly to prevent air leaks.\u003c\/li\u003e\n\u003cli data-section-id=\"1s1ir4p\" data-start=\"4596\" data-end=\"4667\"\u003eDrain moisture from the air compressor regularly to extend seal life.\u003c\/li\u003e\n\u003cli data-section-id=\"1ra28hi\" data-start=\"4668\" data-end=\"4790\" data-is-last-node=\"\"\u003eUse genuine OEM replacement parts to maintain factory fit, reliable sealing, and long-term pneumatic nailer performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DeWalt","offers":[{"title":"Default Title","offer_id":53561384403307,"sku":"174055","price":7.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/174055.jpg?v=1784253827","url":"https:\/\/generalsprayers.com\/products\/dewalt-174055-o-ring-44-7mm-x-3-5mm-genuine-oem-replacement-nailer-seal","provider":"GeneralSprayers","version":"1.0","type":"link"}