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ViewSonic PX727-4K projector lamp module with 310W bulb in housing

ViewSonic

ViewSonic PX727-4K OEM Replacement Projector Lamp 310W

SKU CH-SY57-CP0DQ

310W OEM replacement lamp module with 4000-hour standard life and 15000-hour economic mode for ViewSonic projectors

  • Power rating310 W
  • Lamp lifespan4000 hour(s); Lamp Life Cycle (Economic Mode) : 15000
  • Genuine OEM module fits ViewSonic PX727-4K projectors directly
  • 310 W lamp delivers 4 000 hours standard life
  • Economic mode extends cycle to 15 000 hours
  • Pre-assembled bulb and housing enables quick installation
  • ISO 9001 quality checks verify beam, ignition and run-time

Genuine replacement lamp for PX727-4K

This ViewSonic projector lamp module includes a new 310W bulb pre-assembled in its housing for immediate installation. It matches the original manufacturer specification for the PX727-4K model and is built to ISO9001 quality standards. The unit arrives ready to fit without additional tools or alignment steps.

For owners needing a direct OEM-standard swap

Suitable for users who want a true replacement module from the original bulb makers such as Philips, Osram or Ushio. Not intended for buyers who prefer an unbranded compatible alternative or who require a bare bulb without the housing assembly.

310W rating with dual life ratings

The lamp runs at 310 watts and delivers 4000 hours in normal mode or 15000 hours when the projector is set to economic mode. These figures determine how often the module will need replacement in your usage pattern.

How it compares

Measured against everything we stock in Replacement Projector Bulbs, at today’s prices. Recalculated every night.

Price $114.99
Pricier than about 64% of the 9,513 comparable items (median $99.99).
Power rating 310 W
Higher than about 90% of the 8,831 comparable items (median 215 W).

Specifications

Product
Brand nameViewSonic
Display
Lamp lifespan4000 hour(s); Lamp Life Cycle (Economic Mode) : 15000
Power
Power rating310 W

Questions about this item

How do I install the RLC-117 lamp module in my PX727-4K projector?

Power off and unplug the projector, let it cool completely, remove the lamp cover, loosen the retaining screws, pull out the old module by its handle, insert the new RLC-117 assembly until it seats firmly, tighten the screws, replace the cover, then reset the lamp timer in the menu.

When will the 310W bulb need replacement?

The lamp is rated for 4000 hours in normal mode or 15000 hours in economic mode; replace it when brightness drops noticeably or the projector warns that the lamp timer has reached its limit.

What is the first limitation I will hit during long viewing sessions?

The 310W lamp generates significant heat, so the projector's thermal protection will shut it down if ventilation is blocked or filters are clogged, making airflow the practical limit for sustained use.

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