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5811116781-S Bare Projector Lamp
Fits 11 projector models from Vivitek.
This is our reference price in US dollars. We confirm the delivered price for United Arab Emirates on a formal quote, including shipping, duties where we can prepay them, and the correct local warranty terms.
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5811116781-S is a 230-watt, 2500-hour bare lamp covering eleven models in Vivitek's D850 range: the D850, D851, D853W, D855ST, D856ST, D856STPB, D857WT, D858WTPB, D859, D85ESTA and D85ESTD. It is the bare bulb alone, built to fit inside the housing already installed in these business and education projectors.
This lamp is also listed under the code 5811116713-SU, so if your projector's documentation references that number instead, it is the same part. Confirm your model appears in the D850 list above before ordering, since short-throw variants like the ST and EST models are not automatically interchangeable with every other D-series lamp.
At a glance
- Wattage — 230 W
- Rated life — 2,500 hours
- Type — Bare Projector Lamp
- SKU — LA-10681
- Compatibility — 11 projector models
Common questions
Is 5811116713-SU the same lamp as 5811116781-S?
Yes, they refer to the same part. Vivitek's documentation for some D850-series models cites 5811116713-SU, while ours is listed as 5811116781-S — either code points to the identical 230-watt, 2500-hour bare lamp.
How can one lamp code cover eleven different D850-series projectors?
Vivitek built the D850, D851, D853W and the various short-throw and interactive ST, WT and EST models around the same 230-watt lamp engine, varying the lens and optics rather than the lamp itself, so 5811116781-S is correct across all eleven.
What does the ST suffix mean on models like D856ST?
ST denotes a short-throw lens configuration, letting the projector sit closer to the screen for the same image size. It affects the optics, not the lamp, which is why D856ST still takes the same 5811116781-S bulb as the standard D850.
Does this listing include a new housing for the D850 series?
No, 5811116781-S is a bare lamp only. It is designed to fit inside the housing already in your projector, so check that housing for damage or a loose socket before fitting the replacement bulb.
My projector is a D85ESTA — is that covered by this lamp?
Yes. The D85ESTA and D85ESTD, Vivitek's interactive short-throw variants in the D850 family, are both listed against 5811116781-S alongside the standard and widescreen D850-series models.
This is a bare lamp — the bulb only. You reuse the housing already fitted in your projector.
Is 5811116713-SU the same lamp as 5811116781-S?
Yes, they refer to the same part. Vivitek's documentation for some D850-series models cites 5811116713-SU, while ours is listed as 5811116781-S — either code points to the identical 230-watt, 2500-hour bare lamp.
How can one lamp code cover eleven different D850-series projectors?
Vivitek built the D850, D851, D853W and the various short-throw and interactive ST, WT and EST models around the same 230-watt lamp engine, varying the lens and optics rather than the lamp itself, so 5811116781-S is correct across all eleven.
What does the ST suffix mean on models like D856ST?
ST denotes a short-throw lens configuration, letting the projector sit closer to the screen for the same image size. It affects the optics, not the lamp, which is why D856ST still takes the same 5811116781-S bulb as the standard D850.
Does this listing include a new housing for the D850 series?
No, 5811116781-S is a bare lamp only. It is designed to fit inside the housing already in your projector, so check that housing for damage or a loose socket before fitting the replacement bulb.
My projector is a D85ESTA — is that covered by this lamp?
Yes. The D85ESTA and D85ESTD, Vivitek's interactive short-throw variants in the D850 family, are both listed against 5811116781-S alongside the standard and widescreen D850-series models.
Other Vivitek lamps in the catalogue. Codes in the same family often differ by a single character, so check the part number against your old lamp before ordering.
