Parts for 496 Mag (H.o. Model) 8.1L (496 Cu In) V8 GM MerCruiser Engines - Gas Throttle Body Mechanical Throttle-Shift
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | 866576A04 | THROTTLE BODY ASY Base (1 required per assembly) |
| #1 | 866577A04 | THROTTLE BODY ASY High Output (1 required per assembly) |
| #2 | 863215 | GASKET THROTTLE BODY (2 required per assembly) |
| #3 | 8M0097035 | SENSOR TPS INCLUDES O-RING (1 required per assembly) — Replaces: 853678T |
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8M0097035 - Throttle Position Sensor [ More info ] Unavailable |
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| #4 | NA | NOT AVAILABLE SCREW KIT (1 required per assembly) |
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NA - NOT AVAILABLE [ More info ] Unavailable |
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| #5 | 863829 | MUFFLER-IAC @2 Not used on all applications (1 required per assembly) |
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35-863829 - Muffler - IAC [ More info ] Unavailable |
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35-8M0188224 - IAC Filter, Priced Individually [ More info ] |
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| #6 | 862999A5 | ADAPTER ASSEMBLY ADAPTOR,INTAKE AIR CONTROL (1 required per assembly) — Replaces: 862999A3 |
| #7 | 808547 | O-RING (1 required per assembly) |
| #8 | 863006 | O-RING (10.82 X 1.78) (1 required per assembly) |
| #9 | 863427 | FITTING AIR VALVE (1 required per assembly) |
| #10 | 805400 | SCREW (2 required per assembly) |
| #11 | 863135 | LEVER THROTTLE (1 required per assembly) |
| #12 | 64014 | SCREW (1 required per assembly) |
| #13 | 863345 | STUD SPECIAL (1 required per assembly) |
| #14 | 863214 | LINK (1 required per assembly) |
| #15 | 805533 | LINKAGE PIN (1 required per assembly) |
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805533 - Linkage Pin [ More info ] Unavailable |
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| #16 | 8M2001692 | ARM CABLE (1 required per assembly) — Replaces: 8631541 |
| #17 | 863380 | SCREW SPECIAL (1 required per assembly) |
| #18 | 97896 | BUSHING FLANGED (1 required per assembly) |
| #19 | 805398 | PIN PRIMARY LINKAGE (1 required per assembly) |
| #20 | 805526 | STUD (1 required per assembly) |
| #21 | 20533 | WASHER @5 (1 required per assembly) |
| #22 | 8267139 | NUT @5 (1 required per assembly) |
| #22 | 826709109 | NUT @5 (SEACORE) (1 required per assembly) |
| #23 | 802751 | NUT (3 required per assembly) — Replaces: 863289 |
| #24 | 8M0077391 | STUD (3 required per assembly) — Replaces: 802561 |
| #25 | 863153 | BRACKET THROTTLE CABLE ATTACHING (1 required per assembly) |
| #26 | 4006731 | SCREW (1 required per assembly) |
| #27 | 863734 | ADAPTOR (1 required per assembly) |
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23-863734 - Adaptor [ More info ] Unavailable |
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| #28 | 97477A3 | STUD KIT (1 required per assembly) |
| #28 | 866641A01 | STUD KIT (SEACORE) (1 required per assembly) |
| #29 | NSS | NOT SOLD SEPARATE SPACER, SPECIAL (1 required per assembly) |
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NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
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| #30 | 31866 | SPACER (.256 X .313 X .625) (2 required per assembly) |
| #31 | 20533 | WASHER (1 required per assembly) |
| #32 | 8267139 | NUT (.250-28) (1 required per assembly) |
| #32 | 826709109 | NUT (.250-28) STAINLESS STEEL (SEACORE) (1 required per assembly) |
| #33 | 864262 | HOSE AIR BYPASS (1 required per assembly) |
| #34 | 815504206 | CLAMP (2 required per assembly) |
| #35 | 863285 | GASKET AIR VALVE (1 required per assembly) |
| #36 | 40011151 | SCREW @5 (2 required per assembly) |
| #37 | 8M0119616 | GASKET IDLE AIR VALVE (1 required per assembly) — Replaces: 863112 |
| #38 | 862998 | VALVE-IDLE AIR (1 required per assembly) |
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862998 - Idle Air Valve [ More info ] Unavailable |
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| #39 | 4008820 | SCREW (2 required per assembly) |
| #40 | 863393 | CLAMP FLAME ARRESTOR (1 required per assembly) |
| #41 | 8M0113516 | FLAME ARRESTOR (1 required per assembly) — Replaces: 863085T |
| #42 | 862996 | BRACKET THROTTLE LINKAGE (1 required per assembly) |
| #43 | 862997A1 | PLATE-IAC MOUNT (1 required per assembly) |
| #NS | 8M0074364 | CAP HOSE CLAMP END (2 required per assembly) — Replaces: 8079923, 8M6500037 |
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198M0074364 - Cover-Clamp - Priced Individually [ More info ] |






