12-21-2022 - TODAY A CUSTOMER WITH A MDJF BLOCK CAME AND COMPARED HIS BLOCK SIDE BY SIDE TO MY BLOCK AND WE CAME TO THE CONCLUSION THAT THESE ARE THE SAME BLOCKS. (Minus a plug here and there) And my RDJF block has on one end mounting holes tapped for a water pump. RDJF ENGINE BLOCK 110-1699 ONAN 4 CYLINDER ENGINE BLOCK CASTING NUMBER ON BLOCK IS 170-2722 CYLINDER BORE IS 3.5" BLOCK IS 21.375" OVERALL LENGTH ATTENTION PLEASE: These 110-1699 block got wet while in storage before I purchased them. I have cleaned off some surface rust. There may be a small amount of pitting that may take a bit more work to get to 100%. A wire wheel on an angle grinder was used. I have oiled the blocks down after my cleaning. Please ask for more details if necessary. NOS new old stock
Other countries must contact me for a postage quote. I am not an expert concerning much of what I sell. Please send Onan part numbers when inquiring about certain parts or the Onan model and spec #. Please look at my other items in my STORE and add me to your favorites list. Click on See all Categories for additional products. .... Cheers, Mike |