Parts for 450 (Gen. V) GM 454 V-8 7.4L (454 Cu In) V8 GM MerCruiser Engines - Gas Crankshaft Pistons & Conn Rods
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #- | 818572A97 | GASKET SET (- required per assembly) — Replaces: 818572A94, 818572A96 |
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27-818572A97 - Engine Overhaul Gasket Set [ More info ] Unavailable |
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| #1 | 850477T | PISTON KIT-STD (STANDARD) (8 required per assembly) — Replaces: 827653, 850477 |
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737-850477T - Piston Kit-STD,NLA [ More info ] Unavailable |
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| #1 | 827654 | PISTON ASSEMBLY (.030 O.S.) (8 required per assembly) |
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737-827654 - Piston Kit -.030, NLA [ More info ] Unavailable |
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| #2 | 827651T | RING PISTON PISTON (STANDARD) (8 required per assembly) — Replaces: 827651 |
| #2 | 850447 | RING PISTON PISTON (.030 O.S.) (8 required per assembly) |
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39-850447 - Rings - .030 [ More info ] Unavailable |
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| #3 | 818473001 | BEARING SET-STD (STANDARD) (1 required per assembly) — Replaces: 818473 |
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23-818473001 - Bearing Set - Std [ More info ] Unavailable |
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| #3 | 818474 | BEARING SET MAIN - .001 UNDERSIZE (.001 USA) (AR required per assembly) |
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23-818474 - Bearing Set - .001 Us [ More info ] Unavailable |
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| #3 | 818475 | BEARING SET MAIN - .002 UNDERSIZE (.002 USA) (AR required per assembly) |
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23-818475 - Bearing Set - .002 Us [ More info ] Unavailable |
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| #3 | 818476001 | BEARING SET MAIN - .010 UNDERSIZE (.010 USA) (AR required per assembly) — Replaces: 818476 |
| #3 | 818477 | BEARING SET MAIN - .020 UNDERSIZE (.020 USA) (AR required per assembly) |
| #4 | 843378 | PIN DOWEL DOWEL (.250) (1 required per assembly) — Replaces: 35312 |
| #5 | 811554 | SEAL OIL (1 required per assembly) |
| #6 | 843374T1 | FLYWHEEL (1 required per assembly) — Replaces: 811561 |
| #7 | 8115631 | FLYWHEEL (GEN V DRIVELINE) (1 required per assembly) — Replaces: 811563 |
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230-811563 1 - Flywheel [ More info ] Unavailable |
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| #8 | 845757 | SCREW (.437-20 X 1.00) (.437-20 X 1.00) (6 required per assembly) — Replaces: 49845 |
| #9 | 8M0098795 | COUPLER ASSEMBLY ENGINE (1 required per assembly) — Replaces: 18311A17, 861523A9 |
| #10 | 8M0204643 | SCREW (.375-16 X 1.125) (6 required per assembly) — Replaces: 14883 |
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10-8M0204643 - SCREW [ More info ] Unavailable |
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| #11 | 20572 | WASHER (.390 X .750 X .093) (6 required per assembly) |
| #12 | 8M0169590 | FITTING GREASE (2 required per assembly) — Replaces: 49099 |
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22-8M0169590 - FITTING [ More info ] Unavailable |
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| #13 | 8M0084554 | CONN ROD ASSY (8 required per assembly) — Replaces: 9641, 9641T |
| #14 | 19234 | SCREW (.437-20) CONN ROD CAP (16 required per assembly) |
| #15 | 58056 | NUT CONN ROD CAP SCREW (16 required per assembly) |
| #16 | 85726001 | BRG SET-STD (STANDARD) (8 required per assembly) — Replaces: 85726 |
| #16 | 85727 | BEARING SET CONNECTING ROD - (.001 UNDERSIZE) (.001 USA) (AR required per assembly) |
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23-85727 - Bearing Set - .001 Us [ More info ] Unavailable |
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| #16 | 85728 | BEARING SET CONNECTING ROD - (.002 UNDERSIZE) (.002 USA) (AR required per assembly) |
| #16 | 85691 | BEARING SET CONNECTING ROD - (.010 UNDERSIZE) (.010 USA) (AR required per assembly) |
| #16 | 85729 | BEARING SET CONNECTING ROD - (.020 UNDERSIZE) (.020 USA) (AR required per assembly) |
| #17 | 811552 | CRANKSHAFT (1 required per assembly) |
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429-811552 - CrankShaft [ More info ] Unavailable |
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| #18 | 845607 | KEY CRANKSHAFT (2 required per assembly) — Replaces: 811558 |
| #19 | 823108 | BUSHING CRANKSHAFT PILOT PILOT-CRANKSHAFT (DRIVELINE MODELS ONLY) (1 required per assembly) |
| #20 | 69756 | O-RING (.549 X .103) (#5 BEARING CAP OIL HOLE) (1 required per assembly) — Replaces: 811528 |




