
PHOTO
DT01051 bare projector lamp
Fits 6 projector models from Hitachi · Viewsonic.
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DT01051 is shared across two brands: Hitachi, in the CP-X4010, CP-X4020, CP-X4020E, CP-X4020J and HCP-4000X, and Viewsonic, in the PJL9371. Rated at 260W for a quoted 3000 hours, it is supplied bare, without a housing, for fitting into the module you already own.
The same lamp is also listed as DT01055 and RLC-053, so if either of those codes appears on your projector's documentation, it points to this same bulb. Check whether your model is Hitachi or Viewsonic and match the exact code before ordering, since this is a bare bulb that depends on your existing housing.
At a glance
- Wattage — 260 W
- Rated life — 3,000 hours
- Type — Bare Projector Lamp
- SKU — LA-09189
- Compatibility — 6 projector models
Common questions
Why does a Hitachi lamp fit a Viewsonic projector?
Viewsonic's PJL9371 was built on the same lamp platform as Hitachi's CP-X4020 range, so it uses the identical DT01051 bulb despite the different brand name on the case. The lamp itself does not vary between the two.
What do DT01055 and RLC-053 refer to?
Both are alternative part numbers for the same DT01051 bulb. If either code appears on your existing lamp or in your projector's manual, it confirms this is the correct replacement to order.
Is this DT01051 listing bare or a complete module?
This particular listing is the bare bulb only, rated at 260W for 3000 hours. It fits into the housing already installed in your CP-X4010, CP-X4020 series, HCP-4000X or Viewsonic PJL9371 rather than replacing that housing.
Why is there no photograph for this lamp?
No photograph exists for this particular listing, so we have not described the bulb's appearance. The wattage, lamp life, part number and compatibility details given here are accurate and drawn from the DT01051 specification.
How do I know which brand version to order?
DT01051 is the same physical bulb whether your projector is a Hitachi CP-X4010, CP-X4020 series, HCP-4000X or a Viewsonic PJL9371, so the brand does not change which part to order, only the model number needs to match.
This is a bare lamp — the bulb only. You reuse the housing already fitted in your projector.
Why does a Hitachi lamp fit a Viewsonic projector?
Viewsonic's PJL9371 was built on the same lamp platform as Hitachi's CP-X4020 range, so it uses the identical DT01051 bulb despite the different brand name on the case. The lamp itself does not vary between the two.
What do DT01055 and RLC-053 refer to?
Both are alternative part numbers for the same DT01051 bulb. If either code appears on your existing lamp or in your projector's manual, it confirms this is the correct replacement to order.
Is this DT01051 listing bare or a complete module?
This particular listing is the bare bulb only, rated at 260W for 3000 hours. It fits into the housing already installed in your CP-X4010, CP-X4020 series, HCP-4000X or Viewsonic PJL9371 rather than replacing that housing.
Why is there no photograph for this lamp?
No photograph exists for this particular listing, so we have not described the bulb's appearance. The wattage, lamp life, part number and compatibility details given here are accurate and drawn from the DT01051 specification.
How do I know which brand version to order?
DT01051 is the same physical bulb whether your projector is a Hitachi CP-X4010, CP-X4020 series, HCP-4000X or a Viewsonic PJL9371, so the brand does not change which part to order, only the model number needs to match.
Other Hitachi 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.




