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Projector Lamp & Bulb Buying Guide

Who Actually Makes Projector Lamps?

Most projector brands — Epson, BenQ, Sony, Panasonic, and others — do not manufacture the bulb inside their own lamp modules. Instead, they source the bulb from one of a small number of specialized lamp manufacturers, then build their own housing around it. Philips pioneered this technology, developing the first UHP (ultra-high pressure mercury vapor) projector lamp in 1995, and remains the dominant manufacturer today. Along with Ushio and Osram, these three companies manufacture the vast majority of projector lamp bulbs used worldwide — regardless of which brand name appears on the outside of the module.

This matters when you're shopping for a replacement: in many cases, the bulb inside a genuine OEM lamp and the bulb inside a well-made compatible lamp come from the exact same manufacturer. The real differences come down to the housing, quality control, and warranty — covered below.

Bare Bulb vs. Lamp Module — Which Do I Need?

Lamp Module (bulb + housing) — the complete replacement part, including the bulb, connector, and housing. Simply remove your old module and insert the new one, no disassembly required. This is the right choice for most customers.

Bare Bulb Only — just the glass bulb itself, sold from the original manufacturer, without a housing. This option is for customers who want to reuse their existing housing — for example, if only the bulb has failed and the housing is still in good condition. Bare bulbs require more careful handling during installation. Bare bulb listings are clearly marked by their product photo on our site.

If you're not sure which option your projector uses, check your projector's exact model number against the "Suitable Projectors" list on any lamp's product page, or contact us for help.

Genuine OEM vs. Compatible vs. Counterfeit Lamps

Genuine OEM — sold under the original projector manufacturer's part number, typically the highest-cost option. This label is a certification and sourcing signal, not necessarily a guarantee that the bulb inside is different from a well-made compatible alternative.

Compatible / Third-Party — built to match the OEM part number and specifications, often at a lower cost, and functionally interchangeable. Importantly, the bulbs inside quality compatible lamps are frequently manufactured by the same major lamp makers — Philips, Ushio, or Osram — housed in a compatible, non-branded module. Always ask about the bulb's original source and the warranty terms before buying a compatible lamp from any retailer.

Counterfeit / Uncertified Lamps — lamps priced well below the realistic market minimum (roughly under $40 for most models) are almost always counterfeit, and not manufactured by Philips, Ushio, or Osram at all. If the price looks too good to be true, it probably is. These lamps commonly:
  • Void your projector's manufacturer warranty
  • Burn out prematurely — often within 200 hours, compared to the 2,000–3,000 hours expected from a genuine or quality compatible lamp
  • Can permanently damage your projector's optics or electronics
We do not sell counterfeit lamps, and recommend avoiding any retailer that cannot clearly state the original bulb manufacturer.

How Long Does a Projector Lamp Last?

Most genuine or quality compatible projector lamps last 2,000–3,000 hours of use, varying by lamp model, projector settings (economy mode significantly extends lamp life), and ventilation. If your projector is overheating or shutting off unexpectedly shortly after a lamp replacement, this is usually a ventilation or air filter issue — unless the replacement lamp was a counterfeit, in which case premature failure is common. See our Relamping Warning for more on extending lamp life.

How Much Does a Replacement Lamp Cost?

Prices typically range from $40 to $380, depending on the projector model and whether you choose a genuine OEM module or a compatible alternative. Higher-end business and cinema projectors generally use more expensive lamps than consumer or home models. See our Lowest Price Promise for details on our pricing guarantee.

Frequently Asked Questions

Does this lamp module include the bulb?
Yes — a lamp module always includes the bulb pre-installed in the housing; it's plug-and-play.

Will a compatible (non-OEM) lamp fit my projector the same way?
Yes, compatible lamps built for your exact part number are designed for a direct fit — no modification needed.

Do you sell bare bulbs as well as full modules?
Yes — we carry bare bulbs from the original manufacturer for many models. These are clearly marked by their product photo on each listing.

Why does my projector overheat after a lamp replacement?
This is almost always a ventilation or air filter issue, not the new lamp — clean or replace the filter and ensure vents aren't blocked. The exception is a counterfeit lamp, which can cause overheating and premature failure on its own.

What's your return/exchange policy if I order the wrong lamp?
See our full Exchange/Return Policy for details.