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5J.J4V05.001 projector lamp module
Fits 6 projector models from Benq.
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5J.J4V05.001 is a 230-watt lamp module rated for 3500 hours, and BenQ used it across six listed models: the EP4725D, EP5825BD, and the MW851 UST and MX850 UST ultra-short-throw projectors, which appear in BenQ's own records both with and without a space in the model name. The bulb arrives pre-fitted in its housing, so the whole module is swapped as one unit.
Whichever of the six compatible models you own, the same 5J.J4V05.001 module applies — check your old lamp's code to confirm before ordering. Because this is a full module rather than a bare bulb, there's no need to open the old housing and transfer a bulb across; you remove the spent assembly whole and fit this one in its place.
At a glance
- Wattage — 230 W
- Rated life — 3,500 hours
- Type — Projector Lamp with Module
- SKU — LA-08341
- Compatibility — 6 projector models
Common questions
Why are some projector names listed with and without a space?
BenQ's own documentation records the MW851 UST and MX850 UST models both with and without a space in the name, so we list both forms to make sure the listing turns up whichever way you search for your projector.
What benchmark life does the 5J.J4V05.001 carry?
3500 hours at 230 watts, taken directly from the lamp's specification, a figure to weigh against the hour count your projector reports for the current lamp.
Does one module really suit six different projectors?
Yes — 5J.J4V05.001 is the lamp BenQ specified across the EP4725D, EP5825BD and the MW851 UST/MX850 UST ultra-short-throw range, so a single module listing covers all six models.
What's the benefit of a module on an ultra-short-throw projector?
Ultra-short-throw units like the MW851 UST often position the lamp close to other optical parts, so a pre-fitted module avoids handling a loose bulb near that assembly and reduces the risk of misalignment during fitting.
Is 5J.J4V05.001 cross-listed under different numbers anywhere?
Not on this listing. It is the only code recorded, so that is what to check against your existing lamp or your projector's service menu before ordering.
This is a complete module — bulb already seated in its housing, so it drops straight in.
Why are some projector names listed with and without a space?
BenQ's own documentation records the MW851 UST and MX850 UST models both with and without a space in the name, so we list both forms to make sure the listing turns up whichever way you search for your projector.
What benchmark life does the 5J.J4V05.001 carry?
3500 hours at 230 watts, taken directly from the lamp's specification, a figure to weigh against the hour count your projector reports for the current lamp.
Does one module really suit six different projectors?
Yes — 5J.J4V05.001 is the lamp BenQ specified across the EP4725D, EP5825BD and the MW851 UST/MX850 UST ultra-short-throw range, so a single module listing covers all six models.
What's the benefit of a module on an ultra-short-throw projector?
Ultra-short-throw units like the MW851 UST often position the lamp close to other optical parts, so a pre-fitted module avoids handling a loose bulb near that assembly and reduces the risk of misalignment during fitting.
Is 5J.J4V05.001 cross-listed under different numbers anywhere?
Not on this listing. It is the only code recorded, so that is what to check against your existing lamp or your projector's service menu before ordering.
Other Benq 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.




