DT00461 compatible lamp module $80/pc.
Fit for the following projectors:
 

HITACHI CP-HX1098  
HITACHI CP-X275  
HITACHI CP-X275A  
HITACHI CP-X275W  
HITACHI CP-X327  
HITACHI ED-X3250  
HITACHI ED-X3270  
HUSTEM MVP-S1  
HUSTEM MVP-X3  
HUSTEM SRP-1830