Parts for MerCruiser 3.0L GM 181 I / L4 Crankshaft, Camshaft & Water Pump
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 27-810846A90 | GASKET SET, Overhaul (1 required per assembly) |
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27-810846A90 - Engine Overhaul Gasket Set [ More info ] Unavailable |
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27-810846A05 - Engine Overhaul Gasket Set [ More info ]
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| # | 863814A 1 | LONGBLOCK ASSEMBLY (1 required per assembly) |
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863814A 1 - LONGBLOCK-3.0L [ More info ] Unavailable |
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864626A01 - Lb 3.0L [ More info ] Unavailable |
| #1 | 424-3864 | CAMSHAFT (1 required per assembly) |
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424-3864 - CamShaft [ More info ]
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| #2 | 28-34466 | KEY (1 required per assembly) |
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| #3 | 23-34469 | BEARING, Plate (1 required per assembly) |
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23-34469 - Bearing - Thrust - Camshaft [ More info ]
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| #4 | 43-46745 | GEAR, Camshaft (1 required per assembly) |
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43-46745 - Timing Gear [ More info ] Unavailable |
| #5 | 10-35366 | SCREW, (.250-20 x .563) (2 required per assembly) |
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10-35366 - Screw - Priced Individually [ More info ]
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10-8M0040582 - Dipstick Tube MT Screw - Priced Individually [ More info ]
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| #6 | 72638 | LIFTER (8 required per assembly) |
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72638 - Hydraulic Lifter [ More info ] Unavailable |
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18-1402 - Lifter, 72638 [ More info ]
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8M0160608 - LIFTER [ More info ]
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| #7 | 884727 | PUMP ASSEMBLY, Water (1 required per assembly) |
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884727 - Water Pump Assembly [ More info ] Unavailable |
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46-8M0113733 - Circulating Pump, 4 Cylinder and Inline 6 Cylinder [ More info ]
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18-3593 - Circulating Pump, 884727 [ More info ]
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| #8 | 27-810848 | GASKET (1 required per assembly) |
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27-810848 - Circulating Pump Gasket [ More info ] Unavailable |
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27-879150138 - Water Pump Gasket [ More info ]
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| #9 | 10-34471 | SCREW, (.312-18 x 1.500) (2 required per assembly) |
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10-34471 - Screw - Priced Individually [ More info ]
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108M0149724 - Screw [ More info ]
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| #10 | 10-34505 | SCREW, (.312-18 x .875) (2 required per assembly) |
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10-34505 - Screw [ More info ]
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| #11 | 73483T | PULLEY (1 required per assembly) |
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| #12 | 10-47277 | SCREW, (.312-24 x .750) (4 required per assembly) |
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10-47277 - Screw - Priced Individually [ More info ]
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| #13 | 13-39107 | LOCKWASHER, (.312-24) (4 required per assembly) |
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13-39107 - LockWasher - Priced Individually [ More info ]
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| #14 | 57-69143T | V BELT (1 required per assembly) SN# 0L382121 & Below |
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57-69143T - V-Belt [ More info ] Unavailable |
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57-69143Q - V-Belt, 40 Inch Length [ More info ]
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18-15400 - V-Belt, 57-69143T, 311606 [ More info ]
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| #14 | 57-862054 | BELT, V-Groove (1 required per assembly) SN# 0L382122 & Up |
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57-862054 - V BELT [ More info ] Unavailable |
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57-862054Q - Belt V-groove [ More info ]
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| #15 | 613-3817T | CONNECTING ROD ASSEMBLY, Wide (1.026-1.031) (4 required per assembly) SN# 0L605541 & Below |
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613-3817T - Connecting Rod Assembly [ More info ] Unavailable |
| #15 | 614-8164T | CONNECTING ROD ASSEMBLY, Wide (.941-.946) (4 required per assembly) SN# 0L605542 & Up |
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614-8164T - Connecting Rod Assembly [ More info ]
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| #16 | 10-85802 | SCREW, (.375-24 x Special) (8 required per assembly) |
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10-85802 - Screw [ More info ] Unavailable |
| #17 | 11-37493 | NUT, (.375-24) (8 required per assembly) |
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11-37493 - Nut, (.375-24) [ More info ]
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| #18 | 23-85701 | BEARING, Use With 1.026-1.031 Wide Connect Rod (4 required per assembly) (Pair - Standard) SN# 0L605541 & Below |
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23-85701 - Bearing - Std [ More info ]
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| #18 | 23-85702 | BEARING, Use With 1.026-1.031 Wide Connect Rod (AR required per assembly) (Pair - .001 USA) SN# 0L605541 & Below |
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23-85702 - Bearing - Connecting Rod - .001 US [ More info ]
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| #18 | 23-85703 | BEARING, Use With 1.026-1.031 Wide Connect Rod (AR required per assembly) (Pair - .002 USA) SN# 0L605541 & Below |
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23-85703 - Bearing - .002 US [ More info ]
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| #18 | 23-85704 | BEARING, Use With 1.026-1.031 Wide Connect Rod (AR required per assembly) (Pair - .010 USA) SN# 0L605541 & Below |
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23-85704 - Bearing -.010 Us [ More info ]
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| #18 | 23-85705 | BEARING, Use With 1.026-1.031 Wide Connect Rod (AR required per assembly) (Pair - .020 USA) SN# 0L605541 & Below |
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23-85705 - Bearing -.020 Us [ More info ]
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| #18 | 23-804982 | BEARING SET, Use With .941-.946 Wide Connect Rod (4 required per assembly) (Standard) SN# 0L605542 & Up |
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23-804982 - Bearing Set [ More info ]
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| #18 | 23-804982001 | BEARING SET, Use With .941-.946 Wide Connect Rod (AR required per assembly) (.001 Over Size) SN# 0L605542 & Up |
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23-804982001 - Bearing Set [ More info ]
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| #19 | 423-810842T | CRANKSHAFT, Rod Journal (1.037-1.043) (1 required per assembly) SN# 0L605541 & Below |
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423-810842T - REF MCM SB 03-13,NLA [ More info ] Unavailable |
| #19 | 423-804957 | CRANKSHAFT, Rod Journal (.952-.958) (1 required per assembly) SN# 0L605542 & Up |
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423-804957 - Crankshaft [ More info ] Unavailable |
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423-804957T01 - CrankShaft [ More info ] Unavailable |
| #21 | 43-46743 | TIMING GEAR, Crankshaft (1 required per assembly) |
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43-46743 - Timing Gear [ More info ] Unavailable |
| #22 | 55045 | BALANCER, Harmonic (1 required per assembly) |
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55045 - Balancer [ More info ] Unavailable |
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55045T - Balancer [ More info ] Unavailable |
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8M0086946 - Balancer [ More info ]
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| #23 | 220-801873 | FLYWHEEL (1 required per assembly) SN# 0L605541 & Below |
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220-801873 - Flywheel [ More info ] Unavailable |
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2008M0084188 - Flywheel [ More info ] Unavailable |
| #23 | 220-803936 | FLYWHEEL, (14 Inch) (1 required per assembly) SN# 0L605542 & Up |
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220-803936 - Flywheel [ More info ] Unavailable |
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2008M0084200 - Flywheel [ More info ] Unavailable |
| #24 | 18643A 5 | COUPLING ASSEMBLY, Engine (1 required per assembly) |
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18643A 5 - Coupling Assembly [ More info ]
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| #25 | 18644 | BUMPER, Rubber (3 required per assembly) |
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| #26 | 10-14883 | SCREW, (.375-16 x 1.12) (3 required per assembly) |
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10-14883 - Screw [ More info ]
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10-8M0204643 - SCREW [ More info ] Unavailable |
| #27 | 12-13510 | WASHER (3 required per assembly) |
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12-13510 - Washer, Coupling Screw [ More info ]
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| #28 | 22-74036 | FITTING, Grease (1 required per assembly) |
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22-74036 - Fitting - Priced Individually [ More info ]
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228M0169589 - FITTING Note: Priced Individually [ More info ]
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| #29 | 13-39131 | LOCKWASHER, (.437) (6 required per assembly) |
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13-39131 - LockWasher [ More info ]
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| #30 | 10-845757 | SCREW, (.437-20 x 1.00) (6 required per assembly) |
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10-845757 - Screw [ More info ] Unavailable |
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10-8M0214958 - FLYWHEEL MOUNTING SCREW ZZ [ More info ]
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