{"product_id":"sw-mp9-1-0-sear-housing-block-9mm-mp901e","title":"S\u0026W M\u0026P 9 1.0 Sear Housing Block 9mm – Part# MP901E","description":"\u003ch2\u003eSmith \u0026amp; Wesson M\u0026amp;P 9 1.0 Sear Housing Block – 9mm\u003c\/h2\u003e\n\n\u003cp\u003eRestore reliable fire control function on your M\u0026amp;P 9 with this factory-original sear housing block. The sear housing block is the serialized fire control chassis that houses the sear, trigger bar, and related components — it is the heart of the M\u0026amp;P striker-fired trigger system. A cracked, worn, or damaged sear housing block affects trigger reset, sear engagement, and overall firing reliability. This used OEM part is a direct factory replacement for the M\u0026amp;P 9 1.0 full-size chambered in 9mm.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MP901E\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e MP901E\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Smith \u0026amp; Wesson M\u0026amp;P 9 1.0 (Full-Size)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 9mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Sear Housing Block (Fire Control Housing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneration:\u003c\/strong\u003e M\u0026amp;P 1.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used (factory original)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional gunsmith installation required – this is a critical fire control component\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFactory Replacement Quality\u003c\/h3\u003e\n\u003cp\u003eGenuine Smith \u0026amp; Wesson factory part manufactured to the exact specifications and tolerances of the original — same dimensions, same sear engagement geometry, same reliable fire control performance. No aftermarket substitutes.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Note on Fit\u003c\/h3\u003e\n\u003cp\u003eThe sear housing block is generation-specific. The M\u0026amp;P 1.0 sear housing block is \u003cstrong\u003enot interchangeable\u003c\/strong\u003e with the M\u0026amp;P 2.0, which uses a revised fire control design. Verify your pistol's generation before ordering. If unsure, contact us with your serial number and we'll confirm compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Call or email us — we're happy to help you get the right part the first time.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":40862815879226,"sku":"MP901E","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/s-l960_2_c084feb7-08de-42e8-8e9e-a4aed588f5f8.webp?v=1746214249","url":"https:\/\/usagunsandgear.com\/products\/sw-mp9-1-0-sear-housing-block-9mm-mp901e","provider":"USA Guns And Gear","version":"1.0","type":"link"}