{"product_id":"gy6-50cc-139qmb-complete-air-box-assembly","title":"GY6 50cc (139QMB) Complete Air Box Assembly","description":"\u003ch2\u003eFull Air Box Unit for GY6 50cc Engines\u003c\/h2\u003e\u003cp\u003eThis complete air box unit is built for scooters running 139QMB engines. It is meant to take the place of the factory airbox, keeping air flowing correctly to the engine. Listed among \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e, it plays a role in keeping the engine running efficiently. A foam air filter comes included, which suits scooter owners who need to swap out a worn airbox setup.\u003c\/p\u003e\u003ch3\u003eRole and Why It Matters\u003c\/h3\u003e\u003cp\u003eThe air box is what channels intake air into the engine, and combustion depends on that air. When the original airbox is cracked or no longer works well, the scooter can lose power. Fitting this assembly in its place helps bring airflow back to normal, which can support better acceleration and general engine condition.\u003c\/p\u003e\u003ch3\u003eFitting and Compatibility\u003c\/h3\u003e\u003cp\u003eThis unit is a direct swap for the stock airbox and works with a range of 139QMB engine codes. Installation is simple enough for owners who like to handle their own maintenance and repairs. Check that your engine code is on the list before ordering to make sure it will fit.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 18 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Tube Inner Diameter:\u003c\/strong\u003e 36mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Hole Spacing:\u003c\/strong\u003e 123mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes Air Filter:\u003c\/strong\u003e Foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e GY6 139QMB-based 50cc and 80cc scooter setups (matching QMA\/QMB configurations)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGY6 139QMB-based 50cc scooters (matching airbox configuration)\u003c\/li\u003e\n\u003cli\u003eGY6 139QMB-based 80cc scooters (matching airbox configuration)\u003c\/li\u003e\n\u003cli\u003eEngine codes: 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Compare the 36mm inlet tube inner diameter and 123mm bolt-hole spacing with your current airbox mounting points and carburetor connection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-air-filters\"\u003eScooter Air Filters\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51137937113145,"sku":"TT-23899","price":16.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/complete-air-box-assembly-for-gy6-50cc-139qmb-1.jpg?v=1794369740","url":"https:\/\/www.trendtimes.com\/products\/gy6-50cc-139qmb-complete-air-box-assembly","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}