Parts for Mercury Marine 250 HP (3.0L EFI) Cylinder Block & End Cap
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 809794A97 | POWERHEAD ASSEMBLY (1 required per assembly) |
809794A97 - Ord 809794R97, NLA [ More info ] Unavailable |
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# | 27-814195A93 | GASKET SET (1 required per assembly) |
#1 | 885-9811A19 | CYLINDER BLOCK (1 required per assembly) SN# 0G438000 & Up |
885-9811A19 - Cylinder Block [ More info ] Unavailable |
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#1 | 885-9811A10 | CYLINDER BLOCK (1 required per assembly) SN# 0G437999 & Below |
885-9811A10 - Cylinder Block [ More info ] Unavailable |
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#2 | 16-90350 9 | STUD, (M10 x 1.5 x 64) (4 required per assembly) |
#3 | 16-815443 1 | STUD, (M10 x 1.5 x 155) (6 required per assembly) |
#4 | 22-32802 1 | PLUG, Pipe (.125-27) (1 required per assembly) |
22-32802 1 - Plug, Brass, Priced Individually [ More info ] Unavailable |
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22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ] |
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#5 | 22-36382 | FITTING, (.250-18 x .62) Brass (USE WHERE APPLICABLE) (2 required per assembly) |
18-4256 - Plug, 1/4 Inch Brass, Sold Individually [ More info ] |
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#6 | 824857 2 | DEFLECTOR, Water (4 required per assembly) SN# 0G438000 & Up |
824857 2 - Water Deflector [ More info ] Unavailable |
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824857 4 - DEFLECTOR [ More info ] Unavailable |
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#7 | 21-43278 | FITTING (1 required per assembly) |
21-43278 - Check Valve [ More info ] Unavailable |
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21-43278 1 - Check Valve [ More info ] Unavailable |
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21-43278 3 - Check Valve [ More info ] Unavailable |
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#8 | 22-824502 1 | CONNECTOR (6 required per assembly) |
#9 | 821583 | PIN (2 required per assembly) |
821583 - Pin (Special) [ More info ] Unavailable |
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#10 | 17-43044 | PIN, Dowel - Without Hole (.375 x .625) (1 required per assembly) |
#11 | 22-76843 | FITTING (13 required per assembly) SN# 0G438000 THRU 0G485988 |
22-76843 - FITTING [ More info ] Unavailable |
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#12 | 21-834804 1 | CHECK VALVE (6 required per assembly) SN# 0G485989 & Up |
#13 | 21-828218 2 | CHECK VALVE (6 required per assembly) |
#14 | 21-42658 5 | CHECK VALVE (2 required per assembly) |
#15 | 10-818934 35 | SCREW, (M8 x 35) (14 required per assembly) |
#16 | 21-815923 4 | CHECK VALVE (2 required per assembly) |
#17 | 10-824461 80 | SCREW, (M10 x 80) (8 required per assembly) |
#18 | 17-67296 | PIN (3 required per assembly) |
17-67296 - Pin, Dowel - Center Main [ More info ] Unavailable |
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#19 | 825367A 1 | CARRIER ASSEMBLY (INCLUDES 6 CARRIERS) (1 required per assembly) SN# 0G437999 & Below |
#20 | 21-42657A 3 | CHECK VALVE (6 required per assembly) SN# 0G437999 & Below |
#21 | 19-850309 | PLUG (6 required per assembly) SN# 0G438000 & Up |
19-850309 - PLUG-STOP [ More info ] Unavailable |
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#22 | 821762 1 | TIMING POINTER (1 required per assembly) |
#25 | 54-816311 | TIE STRAP, (8.00 Inches) (AR required per assembly) |
54-816311 - TIE STRAP Note: Priced Individually [ More info ] Unavailable |
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54-816311T - Tie Strap, 8 Inches, Priced Individually [ More info ] |
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#26 | 32-826544A 1 | TUBING KIT (1 required per assembly) |
32-826544A 1 - Tubing Kit [ More info ] Unavailable |
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#27 | 32-99130122 | TUBING, (20.00 Feet Bulk) (22-1/2 IN.) (1 required per assembly) |
32-99130122 - Tubing-20 FEET [ More info ] Unavailable |
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#28 | 12-45175 | WASHER, (.406 x .750 x .104) (10 required per assembly) |
12-45175 - Washer, (.406 X .750 X .104) [ More info ] Unavailable |
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12-856774 - Washer, (.406 X .750 X .105) Stainless Steel [ More info ] Unavailable |
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128M0214963 - WASHER Note: Priced Individually [ More info ] |
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#29 | 11-40026 6 | NUT, (M10) (10 required per assembly) |
11-40026 6 - NUT Note: Priced Individually [ More info ] Unavailable |
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#31 | 22-827201 | PIPE PLUG (6 required per assembly) SN# 0G437999 & Below |
22-827201 - PLUG Note: Priced Individually [ More info ] Unavailable |
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#32 | 825675 1 | BRACKET (1 required per assembly) |
825675 1 - Bracket [ More info ] Unavailable |
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#34 | 821105 1 | BRACKET, Alternator (1 required per assembly) |
#35 | 10-818934 50 | SCREW, (M8 x 50) (2 required per assembly) |
#36 | 821225 1 | BRACKET (1 required per assembly) |
#38 | 822486 | BRACKET, Guide (1 required per assembly) |
#39 | 821909 | SENSOR (1 required per assembly) |
#40 | 10-821045 10 | SCREW, (M5 x 10) (1 required per assembly) |
#41 | 818574 | SEAL (2 required per assembly) |
#42 | 25-818573 | O-RING (6 required per assembly) |
18-7400-9 - O-Ring (PK5) 908194 [ More info ]
$24.99 $20.79 |
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#43 | 812851A 2 | CYLINDER HEAD (2 required per assembly) |
812851A 2 - Cylinder Head Kit [ More info ] Unavailable |
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#44 | 833072 | THERMOSTAT, 62° Celsius (143° Fahrenheit) (2 required per assembly) SN# 0G438000 & Up |
833072 - Thermostat,143 Degrees [ More info ] Unavailable |
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#44 | 75692 | THERMOSTAT (143 DEGREES) (2 required per assembly) SN# 0G437999 & Below |
#45 | 27-62386 | GASKET (2 required per assembly) |
27-62386 - Thermostat Gasket [ More info ] Unavailable |
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27-8M0204714 - Thermostat Gasket, Priced Individually [ More info ] |
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18-0182-9 - Gasket 27-62386 2-Pack [ More info ]
$4.13 $3.19 |
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#46 | 19801A 1 | THERMOSTAT COVER (2 required per assembly) USE WITH 45 DEGREE ELBOW |
#46 | 19801 2 | COVER, Thermostat (2 required per assembly) USE WITH 90 DEGREE ELBOW |
19801 2 - Thermostat Cover [ More info ] Unavailable |
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#47 | 22-816781 | FITTING (45 DEGREE) (2 required per assembly) |
#47 | 22-68727 | FITTING, (.250-18) 90 Degree - Brass (2 required per assembly) |
#48 | 32-77653112 | HOSE, (59.00 Inches Bulk) (19 IN.)(20-1/2 IN.) (2 required per assembly) USE WITH 45 DEGREE ELBOW |
32-77653112 - Hose -59 Inch [ More info ] Unavailable |
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32-77653 78 - Hose-25 INCH [ More info ] Unavailable |
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#49 | 10-824460 90 | SCREW, (M8 x 90) (4 required per assembly) |
#50 | 10-824460 50 | SCREW, (M8 x 50) (36 required per assembly) |
10-824460 50 - SCREW [ More info ] Unavailable |
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10-859096 - SCREW [ More info ] Unavailable |
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10-891570050 - SCREW Note: Priced Individually [ More info ] Unavailable |
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#51 | 13536A11 | SENSOR ASSEMBLY, Temperature (1 required per assembly) |
13536A11 - Temperature Sensor [ More info ] Unavailable |
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#52 | 84-88807A42 | CABLE ASSEMBLY (USE WHERE APPLICABLE) (1 required per assembly) |
84-88807A42 - Cable Assembly - Priced Individually [ More info ] Unavailable |
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#53 | 828523 | RETAINER, Sensor (1 required per assembly) DESIGN I |
828523 - Retainer,NLA [ More info ] Unavailable |
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#54 | 10-828552 | SCREW, (.375-16 x .500) (1 required per assembly) DESIGN I |
#55 | 13715 1 | RETAINER (1 required per assembly) DESIGN II |
#56 | 10-818934 12 | SCREW, (M8 x 12) (1 required per assembly) DESIGN II |
#57 | 1171-9787A 3 | END CAP ASSEMBLY, Lower (1 required per assembly) SEE SERVICE BULLETIN 95-4 SN# 0G303045 & Below |
1171-9787A 3 - End Cap Assembly [ More info ] Unavailable |
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#57 | 1171-9787A 4 | END CAP ASSEMBLY (1 required per assembly) SN# 0G303046 & Up |
#58 | 25-62700 | O-RING, (3.237 x .103) (1 required per assembly) SEE SERVICE BULLETIN 95-4 SN# 0G303045 & Below |
#59 | 26-818571 1 | SEAL, Oil (2 required per assembly) SEE SERVICE BULLETIN 95-4 SN# 0G303045 & Below |
26-818571 1 - EE SB 95-4,NLA [ More info ] Unavailable |
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#59 | 26-830898 | SEAL, Oil (2 required per assembly) SN# 0G303046 & Up |
26-830898 - SEAL [ More info ] Unavailable |
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#60 | 26-815449 | SEAL, Oil (1 required per assembly) SEE SERVICE BULLETIN 95-4 SN# 0G303045 & Below |
26-815449 - Seal [ More info ] Unavailable |
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#61 | 10-821300 20 | SCREW, (M6 x 20) (4 required per assembly) |
#62 | 826121 1 | BRACKET (1 required per assembly) |
826121 1 - Bracket [ More info ] Unavailable |
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#63 | 10-48408 | SCREW, (#10-16 x .500) (1 required per assembly) |
#64 | 10-821300 12 | SCREW, (M6 x 12) (2 required per assembly) |
#65 | 826624 1 | CLAMP (1 required per assembly) |