Parts for 425 (Gen. V) GM 454 V-8 7.4L (454 Cu In) V8 GM MerCruiser Engines - Gas Crankshaft / Pistons / Connecting Rods
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | 5536T | PISTON ASSY-STD [0A398941] THRU [0D725499] (8 required per assembly) — Replaces: 5536 |
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737-5536T - Piston-STD,NLA [ More info ] Unavailable |
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| #1 | 850477 | PISTON KIT-STD [0D725500] THRU [0D937011] (8 required per assembly) — Replaces: 811565, 827653 |
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737-850477 - Piston Kit-STD [ More info ] Unavailable |
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737-850477T - Piston Kit-STD,NLA [ More info ] Unavailable |
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| #1 | 5537 | PISTON ASSY-.030 [0A398941] THRU [0D725499] (8 required per assembly) |
| #1 | 827654 | PISTON KIT-.030 [0D725500] THRU [0D937011] (8 required per assembly) — Replaces: 811603 |
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737-827654 - Piston Kit -.030, NLA [ More info ] Unavailable |
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| #2 | 67127 | RING SET-STD [0A398941] THRU [0D725499] (8 required per assembly) |
| #2 | 827651T | RING SET-STD [0D725500] THRU [0D937011] (8 required per assembly) — Replaces: 823098, 827651 |
| #2 | 67128 | RING SET-.030 [0A398941] THRU [0D725499] (8 required per assembly) |
| #2 | 850447 | RING SET-.030 [0D725500] THRU [0D937011] (8 required per assembly) — Replaces: 823099, 827652 |
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39-850447 - Rings - .030 [ More info ] Unavailable |
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| #5 | 843378 | PIN DOWEL (.250) (1 required per assembly) — Replaces: 35312 |
| #6 | 8M0062773 | SEAL OIL [0A398941] THRU [0D725499] (1 required per assembly) — Replaces: 14756 |
| #6 | 811554 | SEAL OIL [0D725500] THRU [0D937011] (1 required per assembly) |
| #7 | 5534 | FLYWHEEL [0A398941] THRU [0D725499] (1 required per assembly) |
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230-5534 - Flywheel, NLA [ More info ] Unavailable |
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| #7 | 8115631 | FLYWHEEL [0D725500] THRU [0D937011] (1 required per assembly) — Replaces: 811563 |
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230-811563 1 - Flywheel [ More info ] Unavailable |
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| #8 | 845757 | SCREW (6 required per assembly) — Replaces: 49845 |
| #10 | 860125T | DRIVE PLATE (1 required per assembly) — Replaces: 47607A1 |
| #11 | 35091 | SCREW @5 (6 required per assembly) |
| #12 | 35048 | LOCKWASHER @5 (6 required per assembly) |
| #13 | 8M0084554 | CONN ROD ASSY (8 required per assembly) — Replaces: 9641, 9641T |
| #14 | 19234 | SCREW (.437-20) (16 required per assembly) |
| #15 | 37493 | NUT (.375-24) (16 required per assembly) |
| #16 | 85728 | BRG SET-.002 US (AR required per assembly) |
| #16 | 85691 | BRG SET-.010 US (AR required per assembly) |
| #16 | 85729 | BRG SET-.020 US (AR required per assembly) |
| #16 | 85726001 | BRG SET-STD (8 required per assembly) — Replaces: 85726 |
| #16 | 85727 | BRG SET-.001 US (AR required per assembly) |
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23-85727 - Bearing Set - .001 Us [ More info ] Unavailable |
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| #17 | 5880 | CRANKSHAFT [0A398941] THRU [0D725499] (1 required per assembly) |
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429-5880 - Crankshaft,NLA [ More info ] Unavailable |
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| #17 | 811552 | CRANKSHAFT [0D725500] THRU [0D937011] (1 required per assembly) |
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429-811552 - CrankShaft [ More info ] Unavailable |
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| #18 | 34466 | KEY CRANKSHAFT [0A398941] THRU [0D725499] (2 required per assembly) |
| #18 | 845607 | KEY CRANKSHAFT [0D725500] THRU [0D937011] (2 required per assembly) — Replaces: 811558 |
| #3/4 | 818473001 | BEARING SET-STD (1 required per assembly) — Replaces: 818473 |
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23-818473001 - Bearing Set - Std [ More info ] Unavailable |
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| #3/4 | 818474 | BRG SET-.001 US (AR required per assembly) |
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23-818474 - Bearing Set - .001 Us [ More info ] Unavailable |
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| #3/4 | 818475 | BRG SET-.002 US (AR required per assembly) |
| #3/4 | 818476001 | BRG SET-.010 US (AR required per assembly) — Replaces: 818476 |
| #3/4 | 818477 | BRG SET-.020 US (AR required per assembly) |




