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4210X projector lamp module
Fits 3 projector models from Dell.
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Also related to the U535M and 725-10134 codes used elsewhere in this range, 4210X is the module version of this lamp, built for the Dell 4310WX, 4310X and 4610X. The 280-watt bulb arrives already fitted into a new housing, so no parts need to be moved across from your old unit. Rated life is 2000 hours.
317-1135 and 725-10134 are further codes for this same lamp, alongside U535M, which is the bare bulb version of this identical part. If your current housing is still sound, that bare bulb listing is the cheaper route; if it's damaged, this module replaces both bulb and housing together.
At a glance
- Wattage — 280 W
- Rated life — 2,000 hours
- Type — Projector Lamp with Module
- SKU — LA-08745
- Compatibility — 3 projector models
Common questions
How does 4210X relate to the U535M bulb listed elsewhere?
U535M is the bare bulb version of this same lamp, while 4210X here is the module, with the bulb already fitted into a new housing. Both describe the same underlying lamp family, just in different forms.
Why does the projector list differ slightly from the U535M listing?
Compatibility can be recorded slightly differently across listings for related parts, though both this module and the U535M bulb serve the same Dell 4310WX and 4610X range, with 4310X also listed here.
What's the purpose of the 725-10134 code showing up again here?
It's an alternative reference for this same lamp family, appearing on both the bare bulb and module listings since it describes the underlying part rather than a specific housing configuration.
Should I choose this module or the bare U535M bulb?
Choose this module if your current housing is cracked, damaged or missing a mounting point, since it replaces both bulb and housing. If the housing is still sound, the bare U535M bulb is the simpler, cheaper option.
Is 2000 hours a typical rated life for a 280-watt lamp?
It's a fairly common figure for lamps in this wattage range, since higher-output bulbs tend to carry shorter ratings than lower-wattage ones. This module's 2000-hour rating is consistent with similar 280-watt lamps elsewhere in the Dell range.
This is a complete module — bulb already seated in its housing, so it drops straight in.
How does 4210X relate to the U535M bulb listed elsewhere?
U535M is the bare bulb version of this same lamp, while 4210X here is the module, with the bulb already fitted into a new housing. Both describe the same underlying lamp family, just in different forms.
Why does the projector list differ slightly from the U535M listing?
Compatibility can be recorded slightly differently across listings for related parts, though both this module and the U535M bulb serve the same Dell 4310WX and 4610X range, with 4310X also listed here.
What's the purpose of the 725-10134 code showing up again here?
It's an alternative reference for this same lamp family, appearing on both the bare bulb and module listings since it describes the underlying part rather than a specific housing configuration.
Should I choose this module or the bare U535M bulb?
Choose this module if your current housing is cracked, damaged or missing a mounting point, since it replaces both bulb and housing. If the housing is still sound, the bare U535M bulb is the simpler, cheaper option.
Is 2000 hours a typical rated life for a 280-watt lamp?
It's a fairly common figure for lamps in this wattage range, since higher-output bulbs tend to carry shorter ratings than lower-wattage ones. This module's 2000-hour rating is consistent with similar 280-watt lamps elsewhere in the Dell range.
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.




