Parts for 662 Sci 8.2L (502 Cu In) V8 GM MerCruiser Engines - Gas Exhaust Components Design II (0M971642 & Above)
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #- | 843073A06 | GASKET/SEAL SET (1 required per assembly) |
| #- | 841178A05 | PARTIAL-525 EFI (1 required per assembly) |
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841178A05 - Partial Engine Assembly [ More info ] Unavailable |
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| #1 | 8M0064673 | HEADER KIT EXHAUST - STARBOARD ALSO INCLUDES TAILPIPE GASKET 27-842454 (1 required per assembly) |
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8M0064673 - Header Kit- Stbd [ More info ] Unavailable |
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| #1 | 8M0064672 | HEADER KIT EXHAUST - PORT ALSO INCLUDES TAILPIPE GASKET 27-842454 (1 required per assembly) |
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8M0064672 - Header [ More info ] Unavailable |
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| #2 | 8M0095752 | PARTS BAG O-RING AND PLUG (1 required per assembly) |
| #3 | 840940 | GASKET EXHAUST HEADER (2 required per assembly) |
| #4 | 821131 | SCREW (.375-16 X 1.00) (16 required per assembly) |
| #5 | 8M0119211 | PLUG ASSEMBLY (.500-13) BLUE (4 required per assembly) — Replaces: 806608A02 |
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22-8M0119211 - Drain Plug, Priced Individually, .5 inch x 13 [ More info ] |
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| #6 | 26802 | O-RING (.424 X .103) (4 required per assembly) — Replaces: 8M2000926 |
| #7 | 8M0037861 | TAILPIPE ASSEMBLY PORT (IF APPLICABLE) REF MR SB 2010-01 Without Intercooler Water Exit (1 required per assembly) |
| #7 | 8M0037868 | TAILPIPE ASSEMBLY STARBOARD (IF APPLICABLE) REF MR SB 2010-01 With Intercooler Water Exit (1 required per assembly) |
| #8 | 842453406 | FITTING RESTRICTOR (.406) (2 required per assembly) |
| #9 | 180763 | CLAMP WORM GEAR (4 required per assembly) |
| #10 | 8424181 | HOSE MOLDED (2 required per assembly) |
| #11 | 842454 | GASKET TAILPIPE (2 required per assembly) |
| #12 | 842458 | NUT (312-24) (2 required per assembly) |
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11-842458 - Nut, (.250-20) [ More info ] Unavailable |
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11-8M0193946 - NUT [ More info ] Unavailable |
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| #13 | 8M0051201 | CLAMP BAND (2 required per assembly) — Replaces: 842456 |
| #14 | 842457 | T BOLT (.312-24) (2 required per assembly) |
| #15 | 861776A2 | PLATE KIT EXHAUST BLOCKOFF (1 required per assembly) |
| #16 | 41471 | LOCKWASHER (.375) (4 required per assembly) |
| #17 | 8M0113180 | SCREW (.375-16 X 1.00) (4 required per assembly) — Replaces: 98794 |
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10-8M0113180 - Mouting Screw AL/BRAV TOP Cover, priced individually [ More info ] |




