Parts for 350 Mag MPI Horizon Alpha / Bravo 5.7L (350 Cu In) V8 GM MerCruiser Engines - Gas Standard Cooling System (Alpha) (Single & 3 Point Drain)
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | 863489 | HOSE POWER STEERING COOLER TO CHECK VALVE (1 required per assembly) |
| #2 | 864206A1 | CHECK VALVE (1 required per assembly) |
| #3 | 863623 | HOSE CHECK VALVE TO FUEL COOLER (1 required per assembly) |
| #4 | 863456A1 | HOSE ASSEMBLY THERMOSTAT HOUSING TO CIRCULATING PUMP (1 required per assembly) |
| #5 | 863458 | HOSE THERMOSTAT HOUSING TO PORT MANIFOLD (1 required per assembly) |
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32-863458 - Hose - Thermostat Housing To Port Manifold [ More info ] |
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| #6 | 863459 | HOSE THERMOSTAT HOUSING TO STARBOARD MANIFOLD (1 required per assembly) |
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32-863459 - Hose - Thermostat Housing To Starboard Manifold [ More info ] Unavailable |
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| #7 | 807661 | HOSE TRANSOM ASSEMBLY TO POWER STEERING COOLER (Alpha) (1 required per assembly) |
| #8 | 863670 | HOSE FUEL COOLER TO WATER DISTRIBUTION HOUSING (1 required per assembly) |
| #9 | 864621A1 | FITTING ASSEMBLY LOWER DISTRIBUTION (1 required per assembly) |
| #10 | 8M0062590 | HOSE (24 INCH) CYLINDER BLOCK DRAIN TO DISTRIBUTION FITTING (Port-23 Inches) (Starboard 17 Inches) (2 required per assembly) — Replaces: 8623175 |
| #11 | 863490 | HOSE WATER DRAIN ACCUMULATOR TO DISTRIBUTION FITTING (1 required per assembly) |
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32-863490 - Hose - Distribution Fitting To Accumulator Housing [ More info ] |
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| #12 | 863491 | HOSE DISTRIBUTION FITTING TO "Y" FITTING (1 required per assembly) |
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32-863491 - Hose -Distribution Fitting To Y Fitting [ More info ] |
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| #13 | 8M0062634 | HOSE 44.00 INCH BULK STARBOARD MANIFOLD TO DISTRIBUTION FITTING (Cut to 22 Inch Length) (1 required per assembly) — Replaces: 4285069 |
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32-8M0062634 - Transom to Thermostat Housing Hose -44I [ More info ] |
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| #14 | 8M0062634 | HOSE 44.00 INCH BULK PORT MANIFOLD TO DISTRIBUTION FITTING (Cut to 31 Inch Length) (1 required per assembly) — Replaces: 4285069 |
| #15 | 815504232 | CLAMP WORM GEAR (2.50 DIAMETER) HOSE (AR required per assembly) |
| #16 | 8M0180470 | ADAPTOR-QUICK CNT MALE QUICK CONNECTOR, THREADED (2 required per assembly) — Replaces: 862603 |
| #17 | 863841T | TUBE WATER BRASS (Compact Hydraulic Steering) (1 required per assembly) |
| #18 | 862225 | FITTING PUSHLOCK (4 required per assembly) |
| #19 | 863465 | HOSE DRAIN ACCUMULATOR TO TEE FITTING (1 required per assembly) |
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32-863465 - Hose - Drain Accumulator To Tee Fitting [ More info ] |
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| #20 | 8M0065823 | FITTING-TEE (Alpha Only) (1 required per assembly) — Replaces: 863464A1 |
| #21 | 627021 | O-RING @2 (2 required per assembly) |
| #22 | 864560 | HOSE TEE FITTING TO PORT ELBOW (Non Riser and 3 Inch Warm Riser) (1 required per assembly) |
| #22 | 864965 | HOSE TEE FITTING TO PORT ELBOW (6 Inch Warm Riser) (1 required per assembly) |
| #23 | 864561 | HOSE TEE FITTING TO STARBOARD ELBOW (Non Riser and 3 Inch Warm Riser (1 required per assembly) |
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32-864561 - Hose - Tee Fitting To Starboard Elbow [ More info ] |
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| #23 | 864966 | HOSE TEE FITTING TO STARBOARD ELBOW (6 Inch Warm Riser) (1 required per assembly) |
| #24 | 815504212 | CLAMP WORM GEAR HOSE (2 required per assembly) |
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54-815504212 - Clamp [ More info ] Unavailable |
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| #25 | 815504216 | CLAMP WORM GEAR (1.56 DIAMETER) HOSE (AR required per assembly) |
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54-815504216 - Clamp [ More info ] Unavailable |
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| #26 | 815504222 | CLAMP WORM GEAR (1.98 DIAMETER) HOSE (2 required per assembly) |
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54-815504222 - Clamp - See Note On Detail Page [ More info ] Unavailable |
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54-8M0188622 - CLAMP [ More info ] Unavailable |
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| #27 | 815504228 | CLAMP WORM GEAR HOSE (1 required per assembly) |
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54-8M0232395 - CLAMP HOSE [ More info ] Unavailable |
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| #NS | 8M0065823 | FITTING-TEE (Alpha Only) (1 required per assembly) — Replaces: 864327, 864353 |




