MD2010B; MD2020B; MD2030B; MD2040B; MS2L-D; MS2A-D; 120S-D; MS2B-R; MS2A-E; MS2L-E Intake and Exhaust System Exhaust Riser MD2030B, MD2040B Parts on group Exhaust Riser: Pos. Part No Qty Parts name Comments 1. 3581031 [1] Exhaust riser 2. 965183 [4] Flange screw 3. 861907 [1] Gasket 4. 982121 [3] Plug 5. 6. 966871 [1] Shut-off cock 7. 947893 [1] Shut-off cock (966723) 8. 6812747 [1] Rubber cap Parts catalog : Induction and Exhaust Manifold MD2040B Induction and Exhaust Manifold, Engine Spec. No. 868747 MD2030B Induction and Exhaust Manifold, Engine Spec. No. 868777 MD2030B Induction and Exhaust Manifold, SN5101311300- MD2020B Induction and Exhaust Manifold, SN-5101311299 MD2020B Induction and Exhaust Manifold MD2010B Water Cooled Silencer and Exhaust Line: 828064 MD2010B, MD2020B, MD2030B, MD2040B Water Cooled Silencer and Exhaust Line: 828837 MD2010B, MD2020B, MD2030B, MD2040B