{"product_id":"4k550st-projector-lamp-module","title":"4K550ST projector lamp with module","description":"\u003cp\u003eThe Optoma 4K550 and 4K550ST short-throw projectors head the fitment group for this lamp, alongside the references BL-FU330C and SP.7C101GC01. It is supplied as a complete module, with housing included, ready to fit in place of the original lamp inside these short-throw 4K projectors.\u003c\/p\u003e\u003cp\u003eNo separate alternative part numbers are recorded for this lamp beyond its own 4K550ST reference, so use that code when searching, and check your projector's exact designation, standard 4K550 or short-throw 4K550ST, against the fitment group before ordering, since these two closely named models are not always interchangeable.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e — Projector Lamp with Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU\u003c\/strong\u003e — LA-12222\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e — 4 projector models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the Optoma 4K550 and 4K550ST?\u003c\/strong\u003e\u003cbr\u003eThe 'ST' denotes the short-throw variant, which projects a larger image from a shorter distance than the standard 4K550. Both are part of the same confirmed fitment group for this lamp module.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre BL-FU330C and SP.7C101GC01 alternative codes for this lamp?\u003c\/strong\u003e\u003cbr\u003eThey appear alongside the 4K550 and 4K550ST in the confirmed fitment group for this listing. No separate alternative part numbers are recorded for 4K550ST beyond its own reference.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes 4K550ST include the housing?\u003c\/strong\u003e\u003cbr\u003eYes, it is a projector lamp with module, so the housing is included and the complete unit is replaced together, rather than fitting a bare bulb into your existing housing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many projectors are listed against 4K550ST?\u003c\/strong\u003e\u003cbr\u003eFour items make up the fitment group for this lamp: 4K550, 4K550ST, BL-FU330C and SP.7C101GC01, all recorded together in Optoma's own compatibility data for this short-throw module.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should I check before ordering a lamp for a short-throw 4K projector?\u003c\/strong\u003e\u003cbr\u003eConfirm your unit's exact model designation, since short-throw and standard-throw variants within the same series can look near-identical but are not always built around the same lamp.\u003c\/p\u003e","brand":"Lamps Authority","offers":[{"title":"Default Title","offer_id":48182585655532,"sku":"LA-12222","price":155.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/5535\/8700\/files\/37704-xl.png?v=1786965797","url":"https:\/\/www.lampsauthority.com\/products\/4k550st-projector-lamp-module","provider":"Lamps Authority","version":"1.0","type":"link"}