231-0381-01 Bgm Marquis 170-4494 Aluminum and similar items

FITS THE BGM MARQUIS RV GENSET 231-0381-01 170-4494 ALUMINUM ONAN GENSET GENERATOR ADAPTER HOUSING 170-4494 nos the main 4 bolt holes have these measurements. In the first picture, the shiny bolt holes on the bottom of the center circle opening are 3.25" on centers, the 2 holes at the top are 4.50" on centers and the diagonal distance of a top to bottom holes diagonally is 7.75" on centers The center opening is 6-3/8" diameter. also the complete unit is 16.5" at its widest point across. The outside perimeter bolt holes are 5-3/4" on centers at the bottom and 4-3/8" on centers at the top, 13-1/8" on centers if you measure diagonally. New Old Stock, Please look at my STORE AND other auctions and put me on YOUR FAVORITES. NOS means new old stock. This item has been in surplus storage for years. The box may be tattered or the item may be a bit dusty but fully functional. If you are not satisfied with the condition or your item please contact me immediately. All items are new and unused. I am selling this item "AS IS" with a "no return policy" unless stated otherwise in the body of the ad. I will answer all emails to the best of my ability. Please send part numbers when inquiring about certain parts. An educated buyer is my best customer. Thank you. ... Mike ... Now go look at ask me for help for 1000's of new obsolete, discontinued and hard-to-find Onan parts.