Parts for MerCruiser 140 GM 181 I / L4 1979-1982 Cylinder Block, Piston & Bearing
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 34543 | VALVE, BY-PASS - OIL FILTER (1 required per assembly) |
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| # | 19-37531 | PLUG, OIL CHANNEL - CYLINDER BLOCK (1 required per assembly) |
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| #1 | 839-3814 | CYLINDER BLOCK ASSEMBLY (1 required per assembly) |
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839-3814 - CYL. BLOCK,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 | 19-34488 | PLUG, EXPANSION - CAMSHAFT BEARING HOLE (1 required per assembly) |
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| #4 | 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&9 | 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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| #10 | 733-3819 | PISTONG AND PISTON PIN ASSEMBLY (STANDARD) (4 required per assembly) |
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733-3819 - Piston [ More info ]
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733-3819 1 - Piston [ More info ] Unavailable |
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733-803850T - Piston [ More info ]
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| #10 | 733-3818 | PISTON AND PISTON PIN ASSEMBLY (.020 O.S.) (AR required per assembly) |
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733-3818 - Piston [ More info ] Unavailable |
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733-3818 1 - Piston [ More info ]
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| #11 | 39-65153 | RING, PISTON - 4 SETS (STANDARD) (4 required per assembly) |
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39-65153 - Rings - Standard [ More info ]
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39-17464 - Rings - Standard [ More info ]
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18-3937 - Rings 39-17464 Standard Set [ More info ]
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| #11 | 39-66217 | RING, PISTON - 4 SETS (.020 O.S.) (AR required per assembly) |
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39-66217 - Rings - .020 [ More info ]
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| #12 | 23-85675 | BEARING UNIT, CRANKSHAFT MAIN (STANDARD) (4 required per assembly) |
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23-85675 - Er 23-818469 , NLA [ More info ]
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| #12 | 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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| #12 | 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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| #12 | 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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| #13 | 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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| #13 | 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 |
| #13 | 23-85671 | BEARING UNIT, CRANKSHAFT MAIN - REAR (.002 U.S.) (AR required per assembly) |
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23-85671 - Bearing, NLA [ More info ] Unavailable |
| #13 | 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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| #13 | 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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| #16 | 10-46717 | BOLT, CRANKSHAFT BEARING CAP TO CYL. BLOCK (2 31/32") (10 required per assembly) |
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10-46717 - ,NLA [ More info ] Unavailable |
| #17 | 26-58203 | OIL SEAL UNIT, CRANKSHAFT REAR BEARING (1 required per assembly) |
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26-58203 - Oil Seal [ More info ]
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26-814622 - Seal [ More info ]
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| #18 | 22-64425 | FITTING, EXTENSION - CYLINDER BLOCK (OPT. required per assembly) |
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22-64425 - Fitting, NLA [ More info ]
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| #19 | 22-87238 | FITTING, DRAIN - CYLINDER BLOCK (1 required per assembly) |
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22-87238 - Drain Cock [ More info ] Unavailable |
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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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