Replacement Lamp with Housing for Mitsubishi WD-73736, WD-73737, WD-73835, WD-73837 (915B403001) - 180 Day Manufacturers Warranty Bulb With The Housing AuraBeam Economy Series Television Replacement Bulb. This is an Aurabeam Economy Series lampl For a Brighter & Sharper Picture look for the Aurabeam Professional Series replacement lamp. 180 Day Warranty Included. Exclusive Bulbs is the only authorized reseller of AuraBeam Lamps