Viewsonic PJ551-1 projector lamp
The Viewsonic PJ551-1 takes lamp 78-6969-9463-7 / DT00521, a 150 W lamp rated for 2,000 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.
The code printed on your old lamp or its housing should match one of the codes listed above. Viewsonic and third-party suppliers sell the same lamp under several numbers.
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.
Which lamp does the Viewsonic PJ551-1 take?
The Viewsonic PJ551-1 uses 78-6969-9463-7 / DT00521, also sold as 21009392, 456-224, 456-232, 78-6969-9565-9, 78-6969-9599-8, 78-6969-9635-0.
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 PJ551-1 lamp last?
78-6969-9463-7 is rated for 2,000 hours at 150 W. Actual life depends on the lamp mode you run and how the projector is ventilated.
Does the same lamp fit other Viewsonic projectors?
Yes. The same lamp also fits the Viewsonic PJ500, the Viewsonic PJ500-1, the Viewsonic PJ500-2, the Viewsonic PJ501, the Viewsonic PJ520, the Viewsonic PJ550 and other Viewsonic models listed on this page.