§ Projector model · Optoma

Optoma EH503 projector lamp

The Optoma EH503 takes lamp 5811118128-SOT / BL-FP370A, a 330 W lamp rated for 1,500 hours. It is available both as a complete module (bulb fitted in its housing) and as a bare bulb for re-using your existing housing.

Lamp options for the EH503
5811118128-SOT lamp with housing for the Optoma EH503
LA-09715 · LAMP WITH HOUSING
330 W1,500 hLamp with housingFits 10 models
Codes: 5811118128-SOT · BL-FP370A · DE.5811118128
Price on request
Delivered price confirmed within one business hour
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BL-FP370A bare lamp for the Optoma EH503
LA-09714 · BARE LAMP
330 W1,500 hBare lampFits 5 models
Codes: BL-FP370A · 5811118128-SOT · DE.5811118128
Price on request
Delivered price confirmed within one business hour
GET PRICEFull lamp details →
Check the code before you order

The code printed on your old lamp or its housing should match one of the codes listed above. Optoma and third-party suppliers sell the same lamp under several numbers.

Not sure it's your model?

The model number is on a label on the base or rear of the projector, and in the on-screen menu under Information. Still unsure? Send a photo of the old lamp and we'll confirm the match.

Other Optoma projectors that use the same lamp
Common questions

Which lamp does the Optoma EH503 take?

The Optoma EH503 uses 5811118128-SOT / BL-FP370A, also sold as BL-FP370A, DE.5811118128, 5811118128-SOT.

Should I buy the bare bulb or the module?

Both are available. The module is the bulb already fitted in its housing and is the quicker swap. The bare bulb is cheaper and re-uses your existing housing, but you move the bulb across yourself.

How long does the EH503 lamp last?

5811118128-SOT is rated for 1,500 hours at 330 W. Actual life depends on the lamp mode you run and how the projector is ventilated.

Does the same lamp fit other Optoma projectors?

Yes. The same lamp also fits the Optoma BL-FU365B, the Optoma EH503S1, the Optoma EH505, the Optoma EH505e, the Optoma OPX5060, the Optoma OPX6060 and other Optoma models listed on this page.