{"product_id":"877-323-883-511-piston-driver-piston-bumper-kit-6-pack-aftermarket-replacement-f-20260921-223259-b0bp","title":"877-323 883-511 Piston Driver \u0026 Piston Bumper Kit (6 Pack) - Aftermarket Replacement for Hitachi NR83A, NR83A2, NR83A2(S) Framing Nailer - Replaces 877323, 885-915, 878-303, 878-649, 877-376","description":"\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e ‎3*Driver+3*Bumper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e ‎8.94 x 5.08 x 2.28 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Weight:\u003c\/strong\u003e ‎1.3 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e ‎ac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e ‎877-323 883-511\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem model number:\u003c\/strong\u003e ‎877-323 883-511\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ‎877-323 883-511\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout this item\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExact Fit \u0026amp; Full Compatibility：Fits Hitachi NR83A, NR83A2, NR83A2(S) framing nailers. Direct replacement for OEM part numbers 877-323, 883-511, 877323, 885-915, 878-303, 878-649, 877-376. Verified fitment to ensure drop-in installation with no modification required.\u003c\/li\u003e\n\u003cli\u003ePremium Materials \u0026amp; Heat Treatment：Piston driver manufactured from 6150 heat-treated tool steel with Rockwell hardness 50–52 HRC for high strength, impact resistance, and consistent performance under heavy-duty use.\u003c\/li\u003e\n\u003cli\u003eAnti-Loosening Mechanical Interface:Piston driver features a micro-mechanically locked interface with hardened steel base, and the aluminum base is crimped into the shaft grooves to prevent unscrewing—designed for secure, long-term assembly.\u003c\/li\u003e\n\u003cli\u003eDurable, Impact-Absorbing Bumper：883-511 piston bumper is precision-machined from high-density material, specifically engineered to absorb impact, reduce recoil, and protect the driver and tool body, extending overall tool life.\u003c\/li\u003e\n\u003cli\u003eExtended Service Life \u0026amp; Value：Kit includes 3 piston drivers and 3 piston bumpers (6-pack total), engineered for a service life exceeding 300,000 cycles per set—offering cost-effective, trouble-free replacement for high-volume framing applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HLTIT","offers":[{"title":"Default Title","offer_id":48417136083174,"sku":"B0BPSG218G","price":53.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/5513\/1622\/files\/61fH7565kZL._AC_SL1500.jpg?v=1789997584","url":"https:\/\/www.autzenhub.com\/products\/877-323-883-511-piston-driver-piston-bumper-kit-6-pack-aftermarket-replacement-f-20260921-223259-b0bp","provider":"Autzen","version":"1.0","type":"link"}