Parts for 45, 450 (4 Cyl.) 2-Stroke Carbureted Mercury Outboard Motor End Caps & Exhaust Cover
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #- | 72486A32 | GASKET SET (1 required per assembly) |
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27-72486A32 - Powerhead Gasket Set [ More info ] Unavailable |
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| #1 | 8981A6 | CYLINDER BLOCK (1 required per assembly) — Replaces: 8358A4 |
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863-8981A 6 - Cylinder Block,NLA [ More info ] Unavailable |
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| #2 | 5826A2 | END CAP ASSEMBLY UPPER (1 required per assembly) |
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1160-5826A 2 - End Cap, NLA [ More info ] Unavailable |
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| #3 | 41953 | SEAL UPPER END CAP (1 required per assembly) |
| #4 | 20081 | O-RING UPPER END CAP (1 required per assembly) |
| #5 | 63742T | BEARING BALL UPPER END CAP (1 required per assembly) — Replaces: 63742 |
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31-01988 - Lower Crank Bearing, Mercury 30-63742T, OMC 377139 [ More info ] |
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| #6 | 72538A1 | SHIM UPPER END CAP (.005-10) (AR required per assembly) |
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15-72538A 1 - Shim Set, NLA [ More info ] Unavailable |
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| #7 | 824941 | SCREW (.312-18 X .750) UPPER END CAP (3/4") (4 required per assembly) — Replaces: 73274 |
| #8 | 7054A1 | COVER ASSEMBLY CYLINDER BLOCK [USA-6146848/Aus-8075602/Bel-9362390/Can-7198592] & Below (1 required per assembly) |
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1017-7054A 1 - Cylinder Block Cover, NLA [ More info ] Unavailable |
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| #8 | 8360A1 | COVER ASSEMBLY CYLINDER BLOCK [USA-6146849/Bel-9362391/Can-7198593] & Up (1 required per assembly) |
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1017-8360A 1 - Cover, NLA [ More info ] Unavailable |
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| #9 | 328022 | PLUG PIPE (.125-27) BRASS CYLINDER BLOCK COVER (1 required per assembly) — Replaces: 32802, 328021 |
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22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ] |
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| #10 | 85487 | GASKET CYLINDER BLOCK COVER [USA-6146848/Aus-8075602/Bel-9362390/Can-7198592] & Below (1 required per assembly) |
| #10 | 437772 | GASHET CYLINDER BLOCK COVER [USA-6146849/Bel-9362391/Can-7198593] & Up (1 required per assembly) — Replaces: 437771, 43777 |
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0437772 [ More info ] Unavailable Replaced by 0438593 |
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0438593 - Water Pump Repair Kit, (Includes impeller hou ing) (438593) [ More info ] Unavailable |
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| #11 | 76630 | SCREW (.250-20 X 1.00) CYLINDER BLOCK COVER (1") (10 required per assembly) — Replaces: 69100 |
| #12 | 88238A10 | CABLE ASSEMBLY GROUND (3-5/8") (2 required per assembly) — Replaces: 88238A2 |
| #13 | 62568 | SCREW (#10-16 X .375) GROUND STRAP (2 required per assembly) |
| #14 | 90435 | MOUNT RUBBER - CYLINDER BLOCK COVER (1 required per assembly) |
| #15 | 8M0207775 | NUT @5 RUBBER MOUNT (2 required per assembly) — Replaces: 20184 |
| #16 | 18827A1 | COVER ASSEMBLY TRANSFER PORT (1 required per assembly) — Replaces: 87553A1 |
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18827A 1 - Cover, NLA [ More info ] Unavailable |
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| #17 | 279361 | GASKET TRANSFER PORT COVER (2 required per assembly) — Replaces: 27936 |
| #18 | 20540 | SCREW (.250-20 X .62) TRANSFER PORT COVER (6 required per assembly) |
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10-20540 - Screw, NLA [ More info ] Unavailable |
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| #19 | 6635T1 | END CAP LOWER (1 required per assembly) — Replaces: 6635A1 |
| #20 | 20081 | O-RING LOWER END CAP (1 required per assembly) |
| #21 | 41953 | SEAL LOWER END CAP (2 required per assembly) |
| #22 | 63742T | BEARING BALL (1 required per assembly) — Replaces: 63742 |
| #23 | 20085A1 | SHIM SET LOWER END CAP(.005-10) (AR required per assembly) |
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15-20085A 1 - Shim Set [ More info ] Unavailable |
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| #24 | 29256 | SCREW (.312-18 X .875) LOWER END CAP (3 required per assembly) |
| #25 | 90435 | MOUNT RUBBER - CRANKCASE (2 required per assembly) |
| #26 | 8M0207775 | NUT @5 RUBBER MOUNT (4 required per assembly) — Replaces: 20184 |
| #27 | 65773A5 | STRAP ASSEMBLY GROUND CRANKCASE MOUNT (1 required per assembly) |
| #28 | 854913 | GASKET CYLINDER BLOCK TO BAFFLE PLATE (1 required per assembly) — Replaces: 854911, 854912 |
| #29 | 90421T01 | PLATE-BAFFLE BAFFLE-EXHAUST MANIFOLD (1 required per assembly) — Replaces: 90421, 904211 |
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90421T01 - Baffle Plate [ More info ] Unavailable |
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| #30 | 854924 | GASKET BAFFLE PLATE TO EXHAUST COVER (1 required per assembly) — Replaces: 854921, 854922 |
| #31 | 77381 | COVER EXHAUST MANIFOLD (1 required per assembly) |
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77381 - Exhaust Manifold Cover, NLA [ More info ] Unavailable |
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| #32 | 37562 | SCREW @5 (14 required per assembly) |
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10-37562 - Screw - Priced Individually [ More info ] Unavailable |
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| #32 | 38837 | SCREW @5 (1 required per assembly) |







