PHOTO
BL-FP370A bare projector lamp
Fits 5 projector models from Optoma.
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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BL-FP370A fits five Optoma projectors, the EH503, EH503S1, EH505, W505 and X605, running at 330 watts with a rated life of around 1,500 hours. It is supplied as the bare bulb alone, for fitting inside the housing already installed in your projector.
The lamp is also referenced as 5811118128-SOT and DE.5811118128, alternative codes for the same bulb. Given its shorter 1,500 hour rating compared with other lamps in this wattage range, it is worth checking your projector's lamp-hour counter regularly so you can plan a replacement before the picture visibly dims.
At a glance
- Wattage — 330 W
- Rated life — 1,500 hours
- Type — Bare Projector Lamp
- SKU — LA-09714
- Compatibility — 5 projector models
Common questions
Why is BL-FP370A rated for only 1,500 hours?
This lamp runs at 330 watts, and higher-output bulbs of this kind are typically rated for a shorter working life than lower-wattage lamps, with 1,500 hours being the figure specified for BL-FP370A.
Are 5811118128-SOT and DE.5811118128 the same as BL-FP370A?
Yes, both are alternative codes for this identical bulb. Either reference appearing on your old lamp or in your projector's documentation confirms BL-FP370A as the correct bare replacement.
What is the difference between the EH503 and EH503S1?
There is no difference for this lamp; both the EH503 and the EH503S1 use the same BL-FP370A bulb, alongside the EH505, W505 and X605 listed alongside them here.
Since this is a bare bulb, what should I check on my existing housing?
Inspect the lamp cage for cracks, a loose socket or scorch marks before fitting a new bare bulb into it, since this listing assumes the existing housing is otherwise sound.
Does the X605 take the same lamp as the W505?
Yes, the X605 and W505 both use the BL-FP370A bulb, along with the EH503, EH503S1 and EH505 listed here, so all five projectors share this one lamp.
This is a bare lamp — the bulb only. You reuse the housing already fitted in your projector.
Why is BL-FP370A rated for only 1,500 hours?
This lamp runs at 330 watts, and higher-output bulbs of this kind are typically rated for a shorter working life than lower-wattage lamps, with 1,500 hours being the figure specified for BL-FP370A.
Are 5811118128-SOT and DE.5811118128 the same as BL-FP370A?
Yes, both are alternative codes for this identical bulb. Either reference appearing on your old lamp or in your projector's documentation confirms BL-FP370A as the correct bare replacement.
What is the difference between the EH503 and EH503S1?
There is no difference for this lamp; both the EH503 and the EH503S1 use the same BL-FP370A bulb, alongside the EH505, W505 and X605 listed alongside them here.
Since this is a bare bulb, what should I check on my existing housing?
Inspect the lamp cage for cracks, a loose socket or scorch marks before fitting a new bare bulb into it, since this listing assumes the existing housing is otherwise sound.
Does the X605 take the same lamp as the W505?
Yes, the X605 and W505 both use the BL-FP370A bulb, along with the EH503, EH503S1 and EH505 listed here, so all five projectors share this one lamp.
Other Optoma 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.
