dgavxa| upgrade heat manifold for masterbuilt gravity series 1050 digital charcoal grill replacement, 9904190091, compatible with smokers mb20041220 mb20041320 is up for auction in Appliances. The current bid is $1.00, 98% below the $50.33 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.