Parts for 496 Mag (Base Model) 8.1L (496 Cu In) V8 GM MerCruiser Engines - Gas Block Crankshaft, Oil Pump & Front Cover
Tap to zoom. Scroll down to order.
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | NSS | NOT SOLD SEPARATE BLOCK-ENGINE (Order Longblock Assembly) (1 required per assembly) |
|
NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
||
| #2 | NSS | NOT SOLD SEPARATE CAP-CRANKSHAFT BEARING (5 required per assembly) |
| #3 | 8M0084521 | CRANKSHAFT (1 required per assembly) — Replaces: 881654001 |
|
4008M0084521 - CrankShaft [ More info ] Unavailable |
||
| #4 | 884702 | BEARING KIT (4 required per assembly) |
| #5 | 881607001 | BEARING KIT CRANKSHAFT MAIN THRUST (1 required per assembly) — Replaces: 881607 |
|
23-881607001 - Bearing Kit - Crankshaft Main Thrust [ More info ] Unavailable |
||
| #6 | 881605 | PIN BALANCER LOCATING (1 required per assembly) |
| #7 | 881655 | SPROCKET CRANKSHAFT (1 required per assembly) |
| #8 | 892616001 | COVER FRONT (1 required per assembly) — Replaces: 892616 |
|
892616001 - Timing Cover [ More info ] Unavailable |
||
| #9 | 881604 | GASKET FRONT COVER (1 required per assembly) |
| #10 | 881613001 | SEAL FRONT CRANKSHAFT (1 required per assembly) |
| #11 | 8M0069806 | SCREW (6 required per assembly) — Replaces: 881577, 881577001 |
| #12 | 892615002 | SENSOR CAMSHAFT POSITION (1 required per assembly) — Replaces: 892615, 892615001 |
| #13 | NSS | NOT SOLD SEPARATE SEAL-CAMSHAFT POSITION SENSOR (1 required per assembly) |
| #14 | 883923 | BOLT (1 required per assembly) — Replaces: 881594 |
| #15 | 891769 | BALANCER CRANKSHAFT (1 required per assembly) |
|
891769 - Balancer [ More info ] Unavailable |
||
| #16 | 881587 | BOLT (1 required per assembly) |
| #17 | 881614 | WASHER (1 required per assembly) |
| #18 | 881608001 | SEAL REAR CRANKSHAFT (1 required per assembly) |
| #19 | 881609 | PIN FLYWHEEL LOCATING (2 required per assembly) |
| #20 | 881640T01 | FLYWHEEL (Base and H.O.) (1 required per assembly) — Replaces: 881640 |
| #21 | 881578 | BOLT (6 required per assembly) |
| #22 | 843378 | PIN DOWEL OIL PUMP LOCATING (1 required per assembly) — Replaces: 35312 |
| #23 | 881615 | STUD CRANKSHAFT BEARING CAP (10 required per assembly) |
| #24 | 881580 | BOLT (10 required per assembly) |
| #25 | 883236001 | DEFLECTOR OIL (1 required per assembly) — Replaces: 883236 |
| #26 | 881579001 | NUT (9 required per assembly) — Replaces: 881579 |
| #27 | 8M0069808 | PUMP-OIL OIL (1 required per assembly) — Replaces: 881652 |
| #28 | 881611 | PIN OIL PUMP (1 required per assembly) |
| #29 | 881610 | SPRING OIL PUMP (1 required per assembly) |
| #30 | 8M0069808 | PUMP-OIL PRESSURE RELIEF (1 required per assembly) — Replaces: 881643 |
| #31 | 8M0046892 | SHAFT AND RETAINER OIL PUMP DRIVE (1 required per assembly) — Replaces: 14761 |
| #32 | 36183 | RETAINER OIL PUMP DRIVE (1 required per assembly) |
| #33 | 881585 | BOLT (1 required per assembly) |
| #34 | 862349 | PULLEY CRANKSHAFT (1 required per assembly) |
|
862349 - Crankshaft Pulley [ More info ] Unavailable |
||
| #35 | 4009025 | SCREW (3 required per assembly) |
| #NS | 8M0137122 | LONG BLOCK ASSEMBLY BASE (Block codes 4ZW and 5XW) (1 required per assembly) — Replaces: 865752A01, 8M0086000 |
|
8M0137122 - LB 8.1-QS 01-UP [ More info ] Unavailable |
||
|
8M0173775 - LB-8.1 BASE 01-UP [ More info ] Unavailable |
||
|
8M0187377 - LB-8.1 BASE 01-UP [ More info ] Unavailable |
||
| #NS | 8M0137121 | LONG BLOCK ASSEMBLY H.O. (Block codes 4ZA and 5XA) (1 required per assembly) — Replaces: 865754A01, 8M0086001 |
|
8M0137121 - LB 8.1HO-QS 01-UP [ More info ] Unavailable |
||
|
8M0173776 - LB,8.1 HO 01-UP [ More info ] Unavailable |
||
|
8M0187378 - LB,8.1 HO 01-UP [ More info ] Unavailable |




