Parts for MerCruiser 496 Mag (H.O. Model) Block-crankshaft, Oil Pump, & Front Cover
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 862762A 1 | LONG BLOCK (1 required per assembly) (Base) SN# 0M376087 & Below |
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862762A 1 - LONGBLOCK-8.1L [ More info ] Unavailable |
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863815A 1 - LONGBLOCK-8.1L [ More info ] Unavailable |
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863815A02 - LONGBLOCK [ More info ] Unavailable |
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865273A01 - LONGBLOCK [ More info ] Unavailable |
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865519A01 - LONGBLOCK [ More info ] Unavailable |
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865752A01 - 8M0086000 [ More info ] Unavailable |
| # | 865275A01 | LONG BLOCK (1 required per assembly) (H.O.)(GM Code 4XA) SN# 0M667238 & Up |
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865275A01 - LONGBLOCK [ More info ] Unavailable |
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865521A01 - LONGBLOCK [ More info ] Unavailable |
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865754A01 - Lb 496 Ho 01-UP [ More info ] Unavailable |
| # | 862764A 1 | LONG BLOCK (1 required per assembly) (H.O.) SN# 0M376090 & Below |
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862764A 1 - LONGBLOCK-8.1L HO [ More info ] Unavailable |
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863817A 1 - LONGBLOCK-8.1L HO [ More info ] Unavailable |
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863817A02 - LONGBLOCK [ More info ] Unavailable |
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| # | 863815A02 | LONG BLOCK (1 required per assembly) (Base) SN# 0M376088 THRU 0M672040 |
| # | 863817A02 | LONG BLOCK (1 required per assembly) (H.O.) SN# 0M376091 THRU 0M667237 |
| # | 865273A01 | LONG BLOCK (1 required per assembly) (Base)(GM Code 4XW) SN# 0M672041 & Up |
| #1 | NSS | NOT SOLD SEPARATE, BLOCK-Engine (1 required per assembly) (Order Longblock Assembly) |
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NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
| #3 | 429-881654 | CRANKSHAFT (1 required per assembly) (Base) |
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429-881654 - Crankshaft [ More info ] Unavailable |
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429-881654001 - CrankShaft [ More info ] Unavailable |
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4008M0084521 - CrankShaft [ More info ] Unavailable |
| #3 | 429-883240 | CRANKSHAFT (1 required per assembly) (H.O.)(GM Block Code T10156XA ) |
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429-883240 - CrankShaft, NLA [ More info ]
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| #4 | 23-881606 | BEARING KIT, Crankshaft (4 required per assembly) |
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23-881606 - Bearing Kit - Crankshaft [ More info ] Unavailable |
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23-884702 - Bearing Kit - Crankshaft [ More info ]
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| #5 | 23-881607 | BEARING KIT, Crankshaft Main Thrust (1 required per assembly) |
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23-881607 - Bearing Kit - Crankshaft Main Thrust [ More info ] Unavailable |
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23-881607001 - Bearing Kit - Crankshaft Main Thrust [ More info ] Unavailable |
| #6 | 17-881605 | PIN, Balancer Locating (1 required per assembly) |
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17-881605 - Locating Pin [ More info ]
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| #7 | 43-881655 | SPROCKET, Crankshaft (1 required per assembly) |
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43-881655 - Sprocket [ More info ]
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| #8 | 881656 | COVER, Front (1 required per assembly) SN# 0M667237 & Below |
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881656 - COVER [ More info ] Unavailable |
| #8 | 892616 | COVER, Front (1 required per assembly) (Base)(Engine Block Code 4XW) SN# 0M672041 & Up |
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892616 - Cover [ More info ] Unavailable |
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892616001 - Timing Cover [ More info ]
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| #9 | 27-881604 | GASKET, Front Cover (1 required per assembly) |
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27-881604 - Front Cover Gasket [ More info ]
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| #10 | 26-881613 | SEAL, Crankshaft front Oil (1 required per assembly) |
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26-881613 - SEAL [ More info ] Unavailable |
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26-881613001 - Seal [ More info ]
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| #11 | 10-881577 | SCREW, (M6 x 30) (6 required per assembly) |
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10-881577 - BOLT [ More info ] Unavailable |
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10-881577001 - SCREW [ More info ] Unavailable |
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108M0069806 - Screw [ More info ]
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| #12 | 883513 | SENSOR, Camshaft Position (1 required per assembly) (Engine Block Code 1XA, 1XW) |
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883513 - Camshaft Sensor [ More info ] Unavailable |
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881666 - Sensor,NLA [ More info ] Unavailable |
| #12 | 881666 | SENSOR, Camshaft Position (1 required per assembly) (Engine Block Code 2XA, 2XW, 3XA, 3XW) |
| #12 | 892615 | SENSOR, Camshaft Position (1 required per assembly) (Base)(Engine Block Code 4XW) SN# 0M672041 & Up |
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892615 - Camshaft Sensor [ More info ] Unavailable |
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892615001 - Camshaft Sensor [ More info ] Unavailable |
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892615002 - Cam Sensor [ More info ]
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E13-0004 - Camshaft Sensor [ More info ]
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| #14 | 10-881594 | SCREW, (M6 x 20) (1 required per assembly) |
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10-881594 - BOLT [ More info ] Unavailable |
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10-883923 - Bolt [ More info ]
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| #15 | 881657 | BALANCER, Crankshaft (1 required per assembly) (Base) |
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881657 - Balancer [ More info ] Unavailable |
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891769 - Balancer [ More info ] Unavailable |
| #15 | 881658 | BALANCER, Crankshaft (1 required per assembly) (H.O.) |
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881658 - Ord 891769, NLA [ More info ] Unavailable |
| #16 | 10-881587 | SCREW, (M16 x 1.5) (1 required per assembly) |
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10-881587 - Bolt [ More info ]
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| #17 | 12-881614 | WASHER (1 required per assembly) |
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12-881614 - Washer [ More info ]
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| #18 | 26-881608 | SEAL, Crankshaft Rear Oil (1 required per assembly) |
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26-881608 - SEAL [ More info ] Unavailable |
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26-881608001 - Seal [ More info ]
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| #19 | 17-881609 | PIN, Flywheel Locating (2 required per assembly) |
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17-881609 - Pin, Flywheel Locating [ More info ]
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| #20 | 222-881640 | FLYWHEEL (1 required per assembly) (Base and H.O.) |
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222-881640 - Flywheel [ More info ] Unavailable |
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222-881640T01 - Flywheel [ More info ]
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| #21 | 10-881578 | BOLT (6 required per assembly) |
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10-881578 - Bolt [ More info ]
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| #22 | 17-35312 | PIN, Dowel (1/4 n. Diameter), Oil Pump Locating (1 required per assembly) |
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17-35312 - Pin, Dowel (1/4 Inch Dia.) [ More info ] Unavailable |
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17-843378 - Pin, Dowel (.250) [ More info ]
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| #23 | 16-881615 | STUD, Crankshaft Bearing Cap (10 required per assembly) |
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16-881615 - Stud [ More info ]
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| #24 | 10-881580 | SCREW, (M12 x 89) (10 required per assembly) |
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10-881580 - Bolt [ More info ]
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| #25 | 883236 | DEFLECTOR, Oil (1 required per assembly) |
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883236 - Ord 883236001, NLA [ More info ] Unavailable |
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883236001 - Oil Deflector [ More info ]
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| #26 | 11-881579 | NUT (9 required per assembly) |
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11-881579 - Nut [ More info ] Unavailable |
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11-881579001 - Nut [ More info ]
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| #27 | 881652 | PUMP, With Screen, Oil (1 required per assembly) |
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881652 - 8M0069808 [ More info ] Unavailable |
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8M0069808 - Oil Pump [ More info ]
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| #28 | 17-881611 | PIN, Oil Pump (1 required per assembly) |
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17-881611 - Pin, Oil Pump [ More info ]
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| #29 | 24-881610 | SPRING, Oil Pump (1 required per assembly) |
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24-881610 - Spring, Oil Pump [ More info ]
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| #30 | 22-881643 | VALVE, Pressure Relief (1 required per assembly) |
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22-881643 - 8M0069808 [ More info ] Unavailable |
| #31 | 14761 | SHAFT AND RETAINER, Oil Pump Drive (1 required per assembly) |
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14761 - Shaft [ More info ] Unavailable |
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8M0046892 - Shaft & Retainer [ More info ]
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| #32 | 23-36183 | RETAINER, Oil Pump Drive (1 required per assembly) |
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23-36183 - Retainer [ More info ]
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| #33 | 10-881585 | SCREW, (M10 x 60) (1 required per assembly) |
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10-881585 - Bolt [ More info ]
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| #34 | 862349 | PULLEY, Crankshaft (1 required per assembly) |
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862349 - Crankshaft Pulley [ More info ] Unavailable |
| #35 | 10-40090 25 | SCREW, (M10 x 25) Stainless Steel (3 required per assembly) |
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10-40090 25 - Screw [ More info ]
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