Parts for MerCruiser 496 Mag EC (H.O. Model) Exhaust Manifold
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 866389T01 | MANIFOLD ASSEMBLY, Exhaust (2 required per assembly) |
866389T01 - Exhaust Manifold [ More info ] Unavailable |
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8M0045258 - Exhaust Manifold [ More info ] Unavailable |
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#2 | 19-864689 | PLUG (8 required per assembly) |
19-864689 - Plug -expand - Priced Individually [ More info ] |
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#3 | 27-8M2000886 | GASKET, Cylinder Head to Exhaust Manifold (1 required per assembly) |
27-8M2000886 - 27-8M2000886 - GASKET [ More info ] Unavailable Replaced by 27-8M2018049 |
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27-8M2018049 - 27-8M2018049 - GASKET [ More info ] Unavailable Replaced by 27-8M0054751 |
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27-8M0054751 - 27-8M0054751 - GASKET [ More info ] Unavailable Replaced by 27-8M0065690 |
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#4 | 866391T02 | COLLECTOR, Exhaust (2 required per assembly) |
866391T02 - Collector- Exhaust [ More info ] Unavailable |
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#5 | 27-866390 | GASKET, Collector, Exhaust (1 required per assembly) |
27-866390 - Collector To Exhaust Manifold Gasket [ More info ] |
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#6 | 22-73379 | PLUG, (.250-18) (1 required per assembly) |
22-73379 - 22-73379 - PLUG (.250-18) [ More info ] Unavailable Replaced by -8M0180564 |
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#7 | 8M2003959 | SENSOR, Oxygen (4 required per assembly) |
#8 | 8M2004289 | COVER, Oxygen Sensor (4 required per assembly) |
#9 | 10-40106 10 | SCREW, (M6 x 10) Stainless Steel (AR required per assembly) |
#10 | 10-40011151 | SCREW, (M8 x 35) Stainless Steel (8 required per assembly) |
#11 | 10-40011158 | SCREW, (M8 x 70) Stainless Steel (8 required per assembly) |
#12 | 860222A 1 | RESONATOR (1 required per assembly) |
#13 | 885342002 | SENSOR ASSEMBLY (2 required per assembly) |
885342002 - Sensor Assembly [ More info ] Unavailable |
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#14 | 25-896699 | O-RING, (1.78 mm x .08 mm) (1 required per assembly) |
#15 | 54-65653 | CLIP (2 required per assembly) |
#16 | 8M2000159 | ELBOW (1 required per assembly) |
#17 | 16-42463 2 | STUD, (M8 x 37.1) (2 required per assembly) |
#19 | 10-40095 35 | SCREW, (M8 x 35) (20 required per assembly) |
#20 | 22-16604 | FITTING, Straight (.125-27) (2 required per assembly) (MIE) |
#21 | 879288T47 | CATALYST (6 required per assembly) |
#22 | 866775 | RING, Retention, Catalyst (6 required per assembly) |
#23 | 879288T79 | ELBOW, Exhaust, No Rise (2 required per assembly) |
879288T79 - Exhaust Elbow [ More info ] Unavailable |
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#23 | 879288T80 | ELBOW, Exhaust, No Rise (2 required per assembly) (MIE V-Drive only) |
#23 | 879288T81 | RISER KIT, Exhaust - 2 Inch Rise (1 required per assembly) (Contains 2 Elbows) (Includes Hose Ref #38) |
879288T81 - Riser Kit 2IN [ More info ] Unavailable |
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8M0062051 - Riser Kit 2 Inch [ More info ] Unavailable |
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#23 | 879288T82 | RISER KIT, Exhaust - 4 Inch Rise (1 required per assembly) (Contains 2 Elbows) (Includes Hose Ref #38) |
879288T82 - Riser Kit 4IN [ More info ] Unavailable |
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8M0062052 - Riser Kit 4 Inch [ More info ] Unavailable |
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#23 | 879288T83 | RISER KIT, Exhaust - 6 Inch Rise (1 required per assembly) (Contains 2 Elbows) (Includes Hose Ref #38) |
879288T83 - Riser Kit 6IN [ More info ] Unavailable |
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#23 | 879288T84 | RISER KIT, Exhaust - 8 Inch Rise (1 required per assembly) (Contains 2 Elbows) (Includes Hose Ref #38) |
879288T84 - Riser Kit 8IN [ More info ] Unavailable |
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#24 | 27-8M2003931 | GASKET (Elbow 0 rise includes 1 gasket each) (2 required per assembly) |
#25 | 879288T59 | VALVE, Poppet Assembly (2 required per assembly) |
#26 | 25-8M2010475 | GASKET, Poppet Cover (1 required per assembly) |
#27 | 8M2010186 | POPPET (1 required per assembly) |
#28 | 30-863129 | BALL (1 required per assembly) |
#29 | 25-864701 | O-RING, (1.112 x .103) (1 required per assembly) |
#30 | 862994T | FITTING (1 required per assembly) |
#31 | 24-42996 | SPRING (1 required per assembly) |
#32 | 8M8020539 | CAP, Poppet Valve (1 required per assembly) |
#33 | 10-28668 | SCREW, (.250-20 x .875) Stainless Steel (3 required per assembly) |
#34 | 10-8M2003966 | SCREW, (M8) Hex Flange (12 required per assembly) |
10-8M2003966 - 10-8M2003966 - SCREW (M8) Hex Fl [ More info ] Unavailable Replaced by -8M0215659 |
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10-8M0215659 - SCREW [ More info ] Unavailable |
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#35 | 22-866725 | FITTING, Straight (.750-14) (2 required per assembly) |
#36 | 54-815504206 | CLAMP, Worm Gear (4 required per assembly) |
54-815504206 - CLAMP Worm Gear [ More info ] Unavailable |
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#37 | 32-8M2004598 | HOSE, To Heat Exchanger (1 required per assembly) Starboard |
#37 | 32-8M2004608 | HOSE, To Heat Exchanger (1 required per assembly) Port |
#38 | 32-8M2012906 | HOSE, Poppet to Elbow (2 required per assembly) (MCM & MIE Inline) 0 & 2 in. Risers Cut to 22 In. (Included in 2 in. Riser Kit Ref #23) |
32-8M2012906 - 32-8M2012906 - HOSE (45 Inches B [ More info ] Unavailable Replaced by 32-8M0062669 |
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#39 | 22-8M2004390 | FITTING, Straight (2 required per assembly) (MCM) |
#40 | 22-8M2016321 | FITTING, Straight (3/4 x 1.0) (2 required per assembly) (MIE) |
#NS | 54-8M2016531 | CLAMP, Closed (2 required per assembly) |
54-8M2016531 - CLAMP Closed [ More info ] Unavailable |
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#NS | 10-40107 16 | SCREW, (M8 x 16) (2 required per assembly) |