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5J.J3905.001 projector lamp, complete module
Fits 2 projector models from Benq.
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Both the BenQ W7000 and its W7000+ successor take the same 300-watt lamp, part number 5J.J3905.001, rated for 2000 hours. This listing is the complete module, so the bulb arrives already fitted into its housing, and either projector variant can use this exact part.
5J.J3905.001 is also recorded as its own alternative code, so this single reference covers the lamp regardless of which listing or manual you first saw it written on. At 300 watts, this sits among the more powerful lamps we stock, reflecting the W7000 series' larger-screen home cinema design. Because it's a module, no separate housing purchase is needed alongside it.
At a glance
- Wattage — 300 W
- Rated life — 2,000 hours
- Type — Projector Lamp with Module
- SKU — LA-08467
- Compatibility — 2 projector models
Common questions
Is the W7000+ an entirely different projector, or an update of the W7000?
It's an updated version of the same W7000 chassis, and our data shows both using the identical 5J.J3905.001 lamp, so the update didn't change the lamp requirement.
Why does this lamp run at 300 watts when some other BenQ lamps are much lower?
Wattage generally scales with the projector's brightness and screen size targets; the W7000 series is built for larger home cinema screens, which is why it specifies a higher-powered 300W lamp than smaller data projectors.
What precautions should I take given the higher wattage of this lamp?
Let the projector cool fully after use before opening the lamp compartment, since a 300W bulb retains heat for longer than lower-powered lamps, and avoid touching the glass envelope with bare hands.
How do I know if my W7000 needs the module version rather than a bare bulb?
If you'd rather not open your existing housing or you're unsure of its condition, the module is the safer choice, since it replaces the bulb and housing together as one unit.
Does BenQ's rated 2000-hour life apply equally to both the W7000 and W7000+?
Yes, the 2000-hour figure comes from the lamp itself, 5J.J3905.001, and applies the same way regardless of which of the two projector variants it's fitted to.
This is a complete module — bulb already seated in its housing, so it drops straight in.
Is the W7000+ an entirely different projector, or an update of the W7000?
It's an updated version of the same W7000 chassis, and our data shows both using the identical 5J.J3905.001 lamp, so the update didn't change the lamp requirement.
Why does this lamp run at 300 watts when some other BenQ lamps are much lower?
Wattage generally scales with the projector's brightness and screen size targets; the W7000 series is built for larger home cinema screens, which is why it specifies a higher-powered 300W lamp than smaller data projectors.
What precautions should I take given the higher wattage of this lamp?
Let the projector cool fully after use before opening the lamp compartment, since a 300W bulb retains heat for longer than lower-powered lamps, and avoid touching the glass envelope with bare hands.
How do I know if my W7000 needs the module version rather than a bare bulb?
If you'd rather not open your existing housing or you're unsure of its condition, the module is the safer choice, since it replaces the bulb and housing together as one unit.
Does BenQ's rated 2000-hour life apply equally to both the W7000 and W7000+?
Yes, the 2000-hour figure comes from the lamp itself, 5J.J3905.001, and applies the same way regardless of which of the two projector variants it's fitted to.
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.
