Parts for 525 Sc (Gen. V) GM 454 V-8 7.4L (454 Cu In) V8 GM MerCruiser Engines - Gas Intake Manifold & Supercharger
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #- | 827014A98 | GASKET SET ENGINE OVERHAUL (1 required per assembly) — Replaces: 827014A96, 827014A97 |
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27-827014A98 - Gasket Set [ More info ] Unavailable |
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| #1 | 34982 | CONNECTOR (1 required per assembly) — Replaces: 32820 |
| #2 | 823229A3 | HOSE ASSEMBLY (13.500 IN.) (1 required per assembly) |
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32-823229A 3 - Hose - 13.5 Inch [ More info ] Unavailable |
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| #3 | 815504104 | CLAMP (1 required per assembly) |
| #4 | 8M0099429 | VALVE ASSY-VENT (1 required per assembly) — Replaces: 848578 |
| #5 | 811553 | GROMMET (1 required per assembly) |
| #6 | 817116A3 | SUPERCHARGER KIT (1 required per assembly) |
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817116A 3 - Supercharger Kit [ More info ] Unavailable |
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| #7 | 8477111 | PULLEY UPPER DRIVEN (1 required per assembly) |
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847711 1 - PULLEY,NLA [ More info ] Unavailable |
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| #8 | 8171181 | GASKET INTAKE TO SUPERCHARGER (1 required per assembly) |
| #9 | 82670911 | NUT @5 (6 required per assembly) — Replaces: 35814 |
| #10 | 8M0042642 | WASHER @5 (6 required per assembly) — Replaces: 70132 |
| #11 | 848562 | STUD (.375 X 1.650) (6 required per assembly) |
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16-848562 - Stud [ More info ] Unavailable |
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| #12 | 64628 | LIFTING EYE (2 required per assembly) — Replaces: 646281, 64628T1 |
| #13 | 812567 | SCREW (8 required per assembly) |
| #13 | 815687 | SCREW (7 required per assembly) |
| #13 | 842787 | SCREW (1 required per assembly) — Replaces: 47432 |
| #14 | 856774 | WASHER @5 (16 required per assembly) — Replaces: 45175 |
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12-856774 - Washer, (.406 X .750 X .105) Stainless Steel [ More info ] Unavailable |
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128M0214963 - WASHER Note: Priced Individually [ More info ] |
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| #15 | 848582T1 | MANIFOLD ASSY INTAKE (1 required per assembly) — Replaces: 8485821, 848582A1 |
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848582T 1 - Manifold [ More info ] Unavailable |
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848582T02 - Manifold Kit [ More info ] Unavailable |
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| #16 | 8181881 | GASKET INTAKE MANIFOLD (2 required per assembly) — Replaces: 818188 |
| #17 | 845756T | SHIELD (1 required per assembly) — Replaces: 816073, 845756 |
| #18 | 806242 | CONNECTOR BY PASS (2 required per assembly) |
| #19 | 8M0204717 | CLAMP (2 required per assembly) — Replaces: 815504412 |
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54-8M0204717 - CLAMP [ More info ] Unavailable |
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| #20 | 805987 | HOSE BY PASS (1 required per assembly) |
| #21 | 805611 | BOLT (4 required per assembly) — Replaces: 811574 |
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10-805611 - Bolt [ More info ] Unavailable |
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| #22 | 8M0113735 | WATER PUMP ASSY. CIRCULATING WATER (1 required per assembly) — Replaces: 811573, 8504541 |
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95-01660 - Water Circulating Pump, Big Block GM [ More info ] |
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| #23 | 49110 | GASKET CIRCULATING WATER PUMP MOUNT (2 required per assembly) |
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27-8M0237307 - GASKET-CIRC PMP [ More info ] Unavailable |
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| #24 | 523491 | PULLEY CIRCULATING PUMP (1 required per assembly) |
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52349 1 - PULLEY (BLUE),NLA [ More info ] Unavailable |
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| #25 | 39107 | LOCKWASHER @5 (4 required per assembly) |
| #26 | 47277 | SCREW @5 (4 required per assembly) |
| #27 | 816034Q | V BELT, 48.125 LG ALTERNATOR DRIVE (1 required per assembly) — Replaces: 816034 |
| #28 | 817113 | BELT-SERPENTINE (1 required per assembly) |
| #29 | 811570 | COVER ASSEMBLY TIMING CHAIN (1 required per assembly) |
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811570 - Cover, NLA [ More info ] Unavailable |
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| #30 | 8219471 | SEAL OIL (1 required per assembly) |
| #31 | 811572 | GASKET (1 required per assembly) |
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27-811572 - Timing Cover Gasket [ More info ] Unavailable |
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| #32 | 8M0040582 | SCREW @5 (10 required per assembly) — Replaces: 35366 |
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10-8M0040582 - Dipstick Tube MT Screw - Priced Individually [ More info ] |
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| #33 | 845625T | BALANCER (1 required per assembly) — Replaces: 811556, 850460 |
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845625T - BALANCER [ More info ] Unavailable |
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845625T 2 - Damper [ More info ] Unavailable |
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| #34 | 8219811 | PULLEY CRANKSHAFT (1 required per assembly) |
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821981 1 - PULLEY,NLA [ More info ] Unavailable |
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| #35 | 49103 | WASHER (1 required per assembly) |
| #36 | 14759 | LOCKWASHER (1 required per assembly) |
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13-14759 - LockWasher, NLA [ More info ] Unavailable |
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| #37 | 845627 | SCREW (1 required per assembly) — Replaces: 811559 |
| #38 | 72094 | SCREW (3 required per assembly) |
| #39 | 35048 | LOCKWASHER @5 (3 required per assembly) |
| #40 | 20553 | WASHER @5 (3 required per assembly) |
| #NS | 328022 | PLUG PIPE (.125-27) BRASS (1 required per assembly) — Replaces: 328021 |
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22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ] |
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| #NS | 36382 | FITTING (.250-18 X .62) BRASS (1 required per assembly) |
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18-4256 - Plug, 1/4 Inch Brass, Sold Individually [ More info ] |






