Parts for Mercury Marine 4 HP (2-Stroke) Cylinder Block / Crankshaft / Piston
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 815040T 1 | POWERHEAD ASSEMBLY (1 required per assembly) (4 HP)(With Re-Circulation System) |
815040T 1 - Powerhead [ More info ] Unavailable |
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815040T03 - P/H 4/5 HP 2S [ More info ] Unavailable |
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815040T04 - PH 4/5 2S [ More info ] Unavailable |
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815040T05 - Powerhead 4 2S [ More info ] Unavailable |
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8M0145944 - SHORT BLOCK [ More info ] Unavailable |
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# | 779-9616A01 | PISTON ASSEMBLY (AR required per assembly) (.5MM Oversize) |
779-9616A01 - Piston Assembly .5OS [ More info ] Unavailable |
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# | 815042T03 | POWERHEAD ASSEMBLY (1 required per assembly) (5 HP)(Without Re-Circulation System) |
815042T03 - PH 4/S [ More info ] Unavailable |
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815042T04 - Powerhead 5 2S [ More info ] Unavailable |
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# | 815040T03 | POWERHEAD ASSEMBLY (1 required per assembly) (4 HP)(Without Re-Circulation System) |
# | 27-16115A 1 | GASKET SET, Powerhead (1 required per assembly) |
27-16115A 1 - Powerhead Gasket Set [ More info ] Unavailable |
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27-16115A02 - Gasket Set [ More info ] Unavailable |
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# | 779-9615A01 | PISTON ASSEMBLY (2 required per assembly) (Standard) |
779-9615A01 - Piston Assembly Std [ More info ] Unavailable |
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# | 815042T 1 | POWERHEAD ASSEMBLY (1 required per assembly) (5 HP)(With Re-Circulation System) |
815042T 1 - Powerhead [ More info ] Unavailable |
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#1 | 878-815013 1 | CYLINDER BLOCK (1 required per assembly) (With Re-Circulation System) |
878-815013 1 - Cylinder Block [ More info ] Unavailable |
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#1 | 878-815013A 5 | CYLINDER BLOCK (1 required per assembly) (Without Re-Circulation System) |
#2 | 17-16119 | PIN, Dowel (2 required per assembly) |
#3 | 10-16695 | BOLT (4 required per assembly) |
#4 | 10-815063 | SCREW (2 required per assembly) |
#5 | 13-16818 | LOCKWASHER (6 required per assembly) |
#6 | 979-9630 1 | CYLINDER HEAD (1 required per assembly) |
#7 | 27-812939 | GASKET (1 required per assembly) |
27-812939 - Cylinder Head Gasket [ More info ] Unavailable |
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#8 | 10-16698 | BOLT (5 required per assembly) SN# 0T707898/0P267999 & Below |
10-16698 - Bolt [ More info ] Unavailable |
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#8 | 10-16126 | BOLT (5 required per assembly) SN# 0T707899/0P268000 & Up |
#9 | 12-40022 17 | WASHER (5 required per assembly) |
#10 | 33-17719547 | SPARK PLUG, (NGK#BPR7HS-10) (1 required per assembly) (BPR7HS-10-With Resistance) |
33-17719547 - NGKBPR7HS-10 - Priced Individually [ More info ] Unavailable |
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RL82YC - Champion Spark Plug ( #814) [ More info ]
$4.60 $3.69 |
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#10 | 33-97184 | SPARK PLUG, (NGK#BP7HS-10) (1 required per assembly) (Without Resistance) |
33-97184 - NGK Spark Plug BP7HS-10 - Priced Individually [ More info ] Unavailable |
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338M0114744 - S Plug BP7HS - Priced Individually [ More info ] |
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#11 | 34-16706 | REED VALVE (1 required per assembly) |
#12 | 34-16707 | STOP (1 required per assembly) (4 HP) |
#12 | 34-17666 | STOP (1 required per assembly) (5 HP) |
#13 | 10-16820 | SCREW (2 required per assembly) |
#14 | 815016 2 | HOUSING (1 required per assembly) |
#15 | 23-815017 | BUSHING (1 required per assembly) |
23-815017 - BUSHING,NLA [ More info ] Unavailable |
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#16 | 26-16703 | SEAL, Oil (2 required per assembly) |
26-16703 - Seal [ More info ] Unavailable |
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#17 | 27-16704 | GASKET (1 required per assembly) |
27-16704 - Housing Gasket [ More info ] Unavailable |
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#18 | 10-823042 17 | BOLT (2 required per assembly) |
10-823042 17 - Bolt [ More info ] Unavailable |
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#19 | 31-16052 | BEARING, Roller (1 required per assembly) |
#20 | 28-16053 | KEY (1 required per assembly) |
#21 | 30-16049 | BEARING, Ball (2 required per assembly) |
#22 | 16050 | THRUST PLATE (2 required per assembly) |
16050 - Thrust Plate CAPTIVE [ More info ] Unavailable |
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#23 | 26-16051 | SEAL, Oil (2 required per assembly) |
#24 | 779-9615T | PISTON (1 required per assembly) (Standard) |
779-9615T - Ord 779-9615A01, NLA [ More info ] Unavailable |
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#24 | 779-9616T | PISTON (AR required per assembly) (.5MM Oversize) |
779-9616T - ORD 779-9616A01 [ More info ] Unavailable |
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#25 | 53-16057 | CLIP (2 required per assembly) |
#26 | 39-16054 | RING, Piston (2 required per assembly) (Standard) |
39-16054 - Piston Ring - Priced Individually [ More info ] Unavailable |
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#26 | 39-16055 | RING, Piston (AR required per assembly) (.5MM Oversize) |
39-16055 - Piston Ring - Priced Individually [ More info ] Unavailable |
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#27 | 41-16056 | PIN, Piston (1 required per assembly) |
41-16056 - Piston Pin [ More info ] Unavailable |
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#28 | 474-9614 | CRANKSHAFT ASSEMBLY (1 required per assembly) |
474-9614 - Crankshaft [ More info ] Unavailable |
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#29 | NSS | NOT SOLD SEPARATE, Crankshaft (1 required per assembly) |
NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
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#31 | 813046 | PIN, Crank (1 required per assembly) |
#32 | 629-813047 | CONNECTING ROD (1 required per assembly) |
#33 | 31-813048 | BEARING (1 required per assembly) |
#34 | 23-815018 | SPACER (1 required per assembly) |
#35 | 32-823976 | HOSE, Tell-Tale (1 required per assembly) |
#36 | 32-812940 4 | HOSE, Rubber (1 Meter) (1 required per assembly) (Use with Re-Circulation System) |
32-812940 4 - Hose [ More info ] Unavailable |
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#37 | 21-42657a 3 | CHECK VALVE (1 required per assembly) (Use with Re-Circulation System) |
#38 | 54-95224 | CLIP (2 required per assembly) (Use with Re-Circulation System) |