Parts for Mercury Marine 9.9 HP (4-Stroke) (323 cc) Intake / Exhaust Valves
View diagram and parts list below.
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 850838T | VALVE, Intake (2 required per assembly) |
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#2 | 850839T | VALVE, Exhaust (2 required per assembly) |
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#3 | 855959 | SEAT, Valve Spring (4 required per assembly) |
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#4 | 24-850840 | SPRING, Valve (4 required per assembly) |
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#5 | 822650 | RETAINER (4 required per assembly) |
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#6 | 28-822651 | KEY (8 required per assembly) |
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28-822651 - 28-822651 - KEY O [ More info ] Unavailable Replaced by 28-893554 |
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#7 | 26-822647 | SEAL, Valve Stem (4 required per assembly) |
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26-822647 - Seal [ More info ]
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#8 | 850841A 1 | ROCKER ARM ASSEMBLY (4 required per assembly) |
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#9 | 10-825046 | SCREW (4 required per assembly) |
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10-825046 - SCREW O NLA [ More info ] Unavailable |
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#10 | 11-826150 | NUT (4 required per assembly) |
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11-826150 - NUT O NLA [ More info ] Unavailable |
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#11 | 850842 | SHAFT, Rocker (2 required per assembly) |
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#12 | 825451 | COLLAR (3 required per assembly) SN# USA-0T178499 & Below |
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#13 | 880135 | COLLAR (1 required per assembly) SN# USA-0T178500/BEL-0P094500 & Up |
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#14 | 880134 | COLLAR (1 required per assembly) SN# USA-0T178500/BEL-0P094500 & Up |
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#15 | 24-825452 | SPRING (3 required per assembly) |
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#16 | 24-825453 | SPRING (1 required per assembly) |
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#- | 802733A98 | POWERHEAD ASSEMBLY (1 required per assembly) (Electric) |
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#- | 879783A01 | POWERHEAD ASSEMBLY (1 required per assembly) (Manual) SN# USA-0T178500/BEL-0P094500 & Up |
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#- | 27-835427A00 | GASKET SET, Powerhead (1 required per assembly) |
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