
PHOTO
311-9421 bare projector lamp
Fits 1 projector model from Dell.
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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Typically 3–5 working days once the order is placed.
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The 311-9421 is the bare bulb built specifically for the Dell 7609WU projector. It runs at 300 watts and carries a 2000-hour rating, and because it's supplied without a housing, the existing carrier inside the 7609WU is reused when the new bulb is fitted.
This lamp also appears under the references 468-8992 and 725-10127 in some parts listings, all describing the same bulb for the 7609WU. Before ordering, it's worth checking your projector's service label or the markings on your existing lamp against any of these three numbers.
At a glance
- Wattage — 300 W
- Rated life — 2,000 hours
- Type — Bare Projector Lamp
- SKU — LA-08750
- Compatibility — 1 projector models
Common questions
Does 468-8992 refer to the same lamp as 311-9421?
Yes, 468-8992 and 725-10127 are alternative references for the identical bulb. We list the product under 311-9421, but any of the three numbers confirms the correct part for the 7609WU.
Is the 7609WU the only projector this lamp fits?
Yes, this listing covers a single Dell model, the 7609WU, so there's no need to cross-check against other projector names or alternate model numbers before you order.
Do I need to buy a new housing with this lamp?
No, the 311-9421 is a bare bulb, so the 7609WU's existing housing stays fitted in the projector, and only the lamp sitting inside that housing gets replaced.
How long is the 311-9421 rated to run?
It carries a 2000-hour rating at its 300-watt output, figures specific to this bulb as fitted in the Dell 7609WU rather than an estimate carried over from another model.
What's the safest way to remove the old lamp first?
Switch off and unplug the projector, then wait until it's fully cool before opening the lamp compartment, since the housing and bulb can stay hot for some time after use.
This is a bare lamp — the bulb only. You reuse the housing already fitted in your projector.
Does 468-8992 refer to the same lamp as 311-9421?
Yes, 468-8992 and 725-10127 are alternative references for the identical bulb. We list the product under 311-9421, but any of the three numbers confirms the correct part for the 7609WU.
Is the 7609WU the only projector this lamp fits?
Yes, this listing covers a single Dell model, the 7609WU, so there's no need to cross-check against other projector names or alternate model numbers before you order.
Do I need to buy a new housing with this lamp?
No, the 311-9421 is a bare bulb, so the 7609WU's existing housing stays fitted in the projector, and only the lamp sitting inside that housing gets replaced.
How long is the 311-9421 rated to run?
It carries a 2000-hour rating at its 300-watt output, figures specific to this bulb as fitted in the Dell 7609WU rather than an estimate carried over from another model.
What's the safest way to remove the old lamp first?
Switch off and unplug the projector, then wait until it's fully cool before opening the lamp compartment, since the housing and bulb can stay hot for some time after use.
Other Dell 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.




