Parts for MerCruiser 120 GM 153 I / L4 1983-1986 Cylinder Block, Piston & Bearings (120-2.5l / 135 Cid)
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 27-34273A88 | GASKET SET, ENGINE OVERHAUL (1 required per assembly) |
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27-34273A88 - Engine Overhaul Gasket Set [ More info ] Unavailable |
| # | 92-91601 1 | SEALER, RED RTV (WHERE APPLICABLE) (1 required per assembly) |
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92-91601 1 - RTV SEALER-10OZ [ More info ] Unavailable |
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92-809826 - Rtv Silicone- Black [ More info ]
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| # | 92-34227 1 | PERFECT SEAL (WHERE APPLICABLE) (1 required per assembly) |
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92-34227 1 - SEALER-CAN [ More info ] Unavailable |
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92-34227Q02 - Sealer, Pint Can [ More info ] Unavailable |
| # | -87956A 1 | PARTIAL ENGINE (120-2.5L) (1 required per assembly) INCLUDES INTERNAL PARTS AND CYLINDER HEADS. |
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87956A 1 - LONGBLOCK MARINE [ More info ] Unavailable |
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87956R 1 - RM MARINE LONGBL,NLA [ More info ] Unavailable |
| #1 | 839-3548 | CYLINDER BLOCK ASSEMBLY (1 required per assembly) INCLUDES ONLY STANDARD PISTONS, PISTON RINGS, CRANKSHAFT BEARINGS AND CAMSHAFT BEARINGS. |
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839-3548 - Ord 87956A, NLA [ More info ] Unavailable |
| #2 | 19-34270 | PLUG, EXPANSION - CYLINDER BLOCK (1-5/8" DIA.) (2 required per assembly) |
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19-34270 - Freeze Plug, 1-5/8 Inch [ More info ]
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| #2 | 19-34271 | PLUG, EXPANSION - CYLINDER BLOCK (2" DIA.) (1 required per assembly) |
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19-34271 - Plug [ More info ] Unavailable |
| #3 | 19-37531 | PLUG, OIL CHANNEL - CYLINDER BLOCK (1 required per assembly) |
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| #4 | 19-34488 | PLUG, EXPANSION - CAMSHAFT BEARING HOLE (1 required per assembly) |
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| #5 | 19-34487 | PLUG, PIPE - CYLINDER BLOCK (3/8") (2 required per assembly) |
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228M0204657 - PLUG [ More info ]
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| #6 | 17-35465 | PIN, DOWEL - CYLINDER BLOCK TO CYLINDER HEAD (2 required per assembly) |
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17-35465 - Dowel Pin (5/16, Dia.) [ More info ]
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| #7 | 23-35168 | BEARING, DISTRIBUTOR PILOT SHAFT (1 required per assembly) |
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23-35168 - Bearing, NLA [ More info ] Unavailable |
| #8 | 23-43293 | BEARING UNIT, CAMSHAFT (1 required per assembly) |
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23-43293 - Bearing Unit - Camshaft [ More info ] Unavailable |
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23-43293T - Bearing Set - Camshaft [ More info ]
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| #9 | 736-2343 | PISTON AND PISTON PIN ASSEMBLY (.001 O.S.) (AR required per assembly) |
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736-2343 - Piston & Pin - Std [ More info ]
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| #9 | 733-2279 | PISTON ADN PSITON PIN ASSEMBLY (.030 O.S.) (AR required per assembly) |
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733-2279 - Piston & Pin -.030, NLA [ More info ]
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| #10 | 39-67132 | RING, PISTON (STANDARD) (4 required per assembly) |
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39-67132 - Piston Ring - Std [ More info ] Unavailable |
| #10 | 39-67134 | RING, PISTON (.030 O.S.) (AR required per assembly) |
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39-67134 - Piston Ring -.030, NLA [ More info ]
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| #11 | 23-85675 | BEARING UNIT, CARNKSHAFT MAIN (STANDARD) (4 required per assembly) |
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23-85675 - Er 23-818469 , NLA [ More info ]
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| #11 | 23-85676 | BEARING UNIT, CRANKSHAFT MAIN (.001 U.S.) (AR required per assembly) |
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23-85676 - Ord 23-818470 [ More info ]
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| #11 | 23-85713 | BEARING UNIT, CRANKSHAFT MAIN (.010 U.S.) (AR required per assembly) |
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23-85713 - Ord 23-818471 [ More info ]
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| #11 | 23-85714 | BEARING UNIT, CRANKSHAFT MAIN (.020 U.S.) (AR required per assembly) |
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23-85714 - Ord 23-818472, NLA [ More info ]
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| #12 | 23-85715 | BEARING UNIT, CRANKSHAFT MAIN - REAR (STANDARD) (1 required per assembly) |
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23-85715 - Bearing - Crankshaft Main - Rear Standard [ More info ]
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23-818469 - Bearing Set - Standard [ More info ] Unavailable |
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23-818469001 - Bearing Set [ More info ]
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| #12 | 23-85670 | BEARING UNIT, CRANKSHAFT MAIN - REAR (.001 U.S.) (AR required per assembly) |
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23-85670 - Bearing Unit - Crankshaft Main [ More info ]
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23-818470 - Bearing Set - .001 US [ More info ] Unavailable |
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23-818470001 - Bearing Set [ More info ] Unavailable |
| #12 | 23-85718 | BEARING UNIT, CRANKSHAFT MAIN - REAR (.010 U.S.) (AR required per assembly) |
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23-85718 - Bearing - Crankshaft Main - Rear .010 US [ More info ]
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23-818471 - Bearing Set -.010 US [ More info ] Unavailable |
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23-818471001 - Bearing Set -.010 [ More info ]
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| #12 | 23-85719 | BEARING UNIT, CRANKSHAFT MAIN - REAR (.020 U.S.) (AR required per assembly) |
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23-85719 - Bearing - Crankshaft Main - Rear .020 US [ More info ] Unavailable |
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23-818472 - Bearing Set -.020 US [ More info ]
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| #13 | 26-814622 | OIL SEAL UNIT, CRANKSHAFT REAR BEARING (1 required per assembly) |
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26-814622 - Seal [ More info ]
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| #14 | -34543 | VALVE, BY-PASS - OIL FILTER (1 required per assembly) |
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| #15 | 22-64425 | FITTING, EXTENSION - CYLINDER BLOCK (OPT required per assembly) |
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22-64425 - Fitting, NLA [ More info ]
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| #16 | 22-16951A 1 | FITTING, DRAIN - CYLINDER BLOCK (1 required per assembly) |
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22-16951A 1 - Drain Plug Kit [ More info ] Unavailable |
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22-16951Q 1 - Drain Plug - Priced Individually [ More info ]
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18-4218 - Drain 22-16951A1 [ More info ]
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22-16951T 1 - Drain Plug - Priced Individually [ More info ]
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