Sony CS21 Replacement Projector Lamp With Original Bulb Inside

Bring your Sony CS21 back to full brightness with this original replacement lamp and housing. The genuine 165-watt OEM bulb, rated for around 3,000 hours, restores the 2,100-lumen output for bright classrooms and meeting rooms. The pre-assembled housing drops straight in — no tools or bulb handling required — for a factory-matched refresh that keeps your projector performing the way it did when new. Fits: Sony CS21.