Parts for MerCruiser 3.0L GM 181 I / L4 Cylinder Head & Rocker Cover
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | 851036T | COVER, Rocker (1 required per assembly) |
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851036T - Rocker Cover [ More info ]
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| #2 | 36-807152 | CAP, Oil Fill (1 required per assembly) |
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36-807152 - Oil Filler Cap, NLA [ More info ]
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| #3 | 10-35366 | SCREW, (.250-20 x .563) (5 required per assembly) |
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10-35366 - Screw - Priced Individually [ More info ]
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| #4 | 54-97224 | J CLIP (3 required per assembly) |
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54-97224 - J Clip [ More info ]
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| #5 | 27-851040 | GASKET (1 required per assembly) |
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27-851040 - Gasket [ More info ]
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| #6 | 25-52188 | GROMMET (1 required per assembly) |
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25-52188 - Grommet [ More info ]
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23-8M0071559 - Grommet [ More info ]
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| #7 | 97850 | ELBOW, 90 Degree, Breather (1 required per assembly) |
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97850 - 97850 - ELBOW 90 Degree O [ More info ] Unavailable Replaced by -97850T |
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| #8 | 49174 | REINFORCEMENT, Valve Cover (5 required per assembly) |
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49174 - Valve Cover Reinforcement [ More info ]
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| #9 | 54-72531 | LIFTING EYE, Lifting (1 required per assembly) |
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54-72531 - Lifting Eye [ More info ]
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| #10 | 10-54528 | SCREW (2 required per assembly) |
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10-54528 - Screw [ More info ]
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| #11 | 34532 | PUSH ROD (8 required per assembly) |
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34532 - Push Rod [ More info ]
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| #12 | 936-810849 | CYLINDER HEAD ASSEMBLY (1 required per assembly) (Basic) |
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936-810849 - CYLINDER HEAD ASS O NLA [ More info ] Unavailable |
| #13 | 97661 | VALVE, Intake (4 required per assembly) (Standard) |
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| #13 | 97662 | VALVE, Intake (AR required per assembly) (.015 Oversize) |
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97662 - Valve, NLA [ More info ]
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| #14 | 52367 | VALVE, Exhaust (4 required per assembly) (Standard) |
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| #14 | 52368 | VALVE, Exhaust (AR required per assembly) (.015 Oversize) |
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52368 - Valve, NLA [ More info ]
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| #15 | 28-54797 1 | KEY (16 required per assembly) |
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28-54797 1 - Key - Priced Individually [ More info ]
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| #16 | FI1100604 | CAP (8 required per assembly) |
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| #17 | 26-34217 | SEAL (8 required per assembly) |
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26-34217 - Seal - Priced Individually [ More info ]
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18-0518 - Seal, 26-34217 [ More info ]
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| #18 | 34518 | SHIELD (8 required per assembly) |
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34518001 - SHIELD O NLA [ More info ] Unavailable |
| #19 | 24-35214 | SPRING, Valve (8 required per assembly) |
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24-35214 - Spring [ More info ]
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| #20 | 11-34516 | NUT (8 required per assembly) |
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11-34516 - Nut - Priced Individually [ More info ]
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| #21 | 34519 | ARM KIT, Rocker (8 required per assembly) |
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34519 - Rocker Valve Arm [ More info ]
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| #22 | 59340 | BALL, Rocker Arm (8 required per assembly) |
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| #23 | 16-34522 | STUD (AR required per assembly) (.003 Oversize) |
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| #23 | 16-34521 | STUD (AR required per assembly) (.013 Oversize) |
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| #24 | 10-34510 | BOLT (10 required per assembly) |
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| #25 | 27-52364 | GASKET (1 required per assembly) |
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27-52364 - Gasket [ More info ]
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18-3880 - Head Gasket 27-34273 [ More info ]
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18-2946 - Gasket, 3853336, 27-52364 [ More info ]
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| #26 | 67850 | LIFTING EYE (1 required per assembly) |
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67850 - LIFTING EYE O NLA [ More info ] Unavailable |
| #- | 27-810846A90 | GASKET SET, Overhaul (1 required per assembly) |
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27-810846A90 - 27-810846A90 - GASKET SET O [ More info ] Unavailable Replaced by 27-810846A05 |
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27-810846A05 - Gasket Set [ More info ]
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| #- | 863814A 1 | LONGBLOCK ASSEMBLY (1 required per assembly) |
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863814A 1 - 863814A 1 - LONGBLOCK ASSEMBL O [ More info ] Unavailable Replaced by -864626A01 |
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864626A01 - Lb 3.0L [ More info ]
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