Parts for MerCruiser 350 Mag MPI MIE Front Cover & Circulating Pump
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 27-861246A05 | GASKET SET, Engine Overhaul (1 required per assembly) |
| #1 | 850399 1 | PUMP ASSEMBLY, Water, Water (1 required per assembly) |
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850399 1 - Water Pump Assembly [ More info ] Unavailable |
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18-3599-2 - Circulating Water Pump, Small Block Chevy [ More info ] |
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| #2 | 22-49146 | PLUG, Pipe (1 required per assembly) Standard Cooling |
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22-49146 - PLUG,NLA [ More info ] Unavailable |
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| #3 | 27-34897 | GASKET, Water Pump (2 required per assembly) |
| #4 | 22-860346 | FITTING, Elbow (90 Degree) (.750) (1 required per assembly) Closed Cooling |
| #5 | 16-35342 | STUD, (.312-24/.375-16 x 2.5625) (2 required per assembly) |
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16-35342 - Stud [ More info ] Unavailable |
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| #6 | 10-32132 | SCREW, (.375-16 x 1.750) (1 required per assembly) |
| #6 | 10-47688 | SCREW, (.375-16 x 2.750) (1 required per assembly) |
| #7 | 807729T | PULLEY, Water Pump (1 required per assembly) Standard Cooling |
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807729T - Water Pump Pulley [ More info ] Unavailable |
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| #7 | 865047T | PULLEY, Water Pump (1 required per assembly) Closed Cooling |
| #8 | 10-47277 | SCREW, (.312-24 x .750) (4 required per assembly) |
| #9 | 864297001 | SENSOR ASSEMBLY, Crankshaft Position (1 required per assembly) |
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864297001 - Crank Position Sensor [ More info ] Unavailable |
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| #10 | 25-885192 | O-RING (1 required per assembly) |
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25-885192 - O-ring, Crankshaft Position Sensor [ More info ] |
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| #11 | 10-884018001 | SCREW (1 required per assembly) |
| #12 | 807730T | PULLEY, Crankshaft (1 required per assembly) |
| #13 | 10-34352 | SCREW, (.375-24 x .875) (3 required per assembly) |
| #14 | 863397 | HARMONIC BALANCER (1 required per assembly) |
| #15 | 10-32515 | SCREW, (.437-20 x 2.50) (1 required per assembly) |
| #16 | 13-39131 | LOCKWASHER, (.437) (1 required per assembly) |
| #17 | 12-71458 | WASHER (1 required per assembly) |
| #18 | 863396001 | TIMING COVER ASSEMBLY (1 required per assembly) Screws, Grommets, Oil Seal, and Gasket Are Not Sold Seperately |
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863396001 - Timing Cover [ More info ] Unavailable |
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8M0150310 - Cover-TIMING [ More info ] Unavailable |
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| #19 | 863398 | RELUCTOR WHEEL (1 required per assembly) |
| #20 | 845941 | RETAINER, Camshaft (1 required per assembly) |
| #21 | 10-845943 | SCREW, (.250-20 x .500) (2 required per assembly) |
| #22 | 17161T | CHAIN, Timing (1 required per assembly) |
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17161T - Timing Chain [ More info ] Unavailable |
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8M0187687 - CHAIN [ More info ] Unavailable |
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| #23 | 43-811659 1 | SPROCKET, Camshaft (1 required per assembly) |
| #24 | 10-845942 | SCREW, (.312-18 x .750) (3 required per assembly) |
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10-845942 - Screw [ More info ] Unavailable |
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| #25 | 43-17160 | SPROCKET, Crankshaft (1 required per assembly) |
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43-17160 - Sprocket [ More info ] Unavailable |
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43-8M0184208 - SPROCKET [ More info ] Unavailable |
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| #26 | 19-816565 | PLUG, Pipe(.468) (1 required per assembly) |
| #27 | 57-865615Q05 | BELT, Serpentine, Standard Cooling (1 required per assembly) |
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57-57033 - Serpentine Belt, Mercury 57-865615Q05 [ More info ] |
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| #27 | 57-865615Q10 | BELT, Serpentine (1 required per assembly) Closed Cooling |






