Parts for MerCruiser Race Engine and Drive 420 GM 454 V-8 1987-1989 Exhaust Manifold / Elbow (420 Gil System)
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 27-13218A 1 | GASKET SET (1 required per assembly) |
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27-13218A 1 - Gasket Set [ More info ] Unavailable |
| #1 | 814901A 5 | MANIFOLD ASSEMBLY, Exhaust - Port (1 required per assembly) |
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814901A 5 - Manifold Assembly, Port Side [ More info ] Unavailable |
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8M0084206 - Manifold Assembly - Port [ More info ] Unavailable |
| #1 | 814901A 6 | MANIFOLD ASSEMBLY, Exhaust - Starboard (1 required per assembly) |
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814901A 6 - Manifold - Starboard [ More info ] Unavailable |
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814901T 6 - Manifold Assembly, Starboard Side [ More info ] Unavailable |
| #2 | 16-815214 | STUD (8 required per assembly) |
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16-815214 - Stud [ More info ]
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| #3 | 32-815212 | HOSE, Manifold To Exhaust Pipe (2 required per assembly) |
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32-815212 - Molded Hose [ More info ]
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| #4 | 22-815213 | FITTING (2 required per assembly) |
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22-815213 - FITTING,NLA [ More info ] Unavailable |
| #5 | 19-815203 | PLUG (2 required per assembly) |
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19-815203 - Plug [ More info ] Unavailable |
| #6 | 19-815205 | FREEZE PLUG (1.00 Inch) (10 required per assembly) |
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19-815205 - Plug, NLA [ More info ]
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| #7 | 19-815204 | FREEZE PLUG (.750 Inch) (4 required per assembly) |
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19-815204 - Plug [ More info ]
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| #8 | 22-815208 | FITTING, Tee (4 required per assembly) |
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22-815208 - FITTING,NLA [ More info ] Unavailable |
| #9 | 22-815210 | FITTING, Tee (2 required per assembly) |
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22-815210 - FITTING [ More info ] Unavailable |
| #11 | 22-815209 | FITTING, Tee (2 required per assembly) |
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22-815209 - FITTING,NLA [ More info ] Unavailable |
| #12 | 19-815211 | PLUG, Pipe Drain (2 required per assembly) |
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19-815211 - PLUG,NLA [ More info ] Unavailable |
| #13 | 32-815215 | HOSE (3.500 Inches) (6 required per assembly) |
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32-815215 - Hose - 3.5 Inch [ More info ] Unavailable |
| #14 | 54-815207 | CLAMP (16 required per assembly) |
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54-815207 - Clamp [ More info ]
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| #15 | 27-46820 | GASKET, Exhaust Manifold (2 required per assembly) |
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27-46820 - Exhaust Manifold Gasket [ More info ]
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18-0418 - Manifold Gasket Big Bk Chevy [ More info ]
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| #16 | 16-49545 | STUD (4 required per assembly) |
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16-49545 - Stud - Priced Individually [ More info ] Unavailable |
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168M0204664 - STUD Note: Priced Individually [ More info ]
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| #17 | 12-49112 | WASHER (8 required per assembly) |
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12-49112 - Washer, NLA [ More info ]
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| #18 | 11-68411 | NUT, (.375-16) (8 required per assembly) |
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11-68411 - Nut (3/8-16) [ More info ]
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11-826709 12 - Nut, (.375-16) Stainless Steel [ More info ]
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| #19 | 42-814902A 2 | ELBOW KIT, Exhaust (2 required per assembly) Standard |
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42-814902A 2 - TAIL PIPE [ More info ] Unavailable |
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42-818608A 1 - TAIL PIPE,NLA [ More info ] Unavailable |
| #19 | 42-818609A 1 | ELBOW KIT, Exhaust (OPT required per assembly) (3.00 Inches) |
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42-818609A 1 - TAIL PIPE,NLA [ More info ] Unavailable |
| #19 | 42-818610A 1 | ELBOW KIT, Exhaust (OPT required per assembly) (6.00 Inches) |
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42-818610A 1 - TAIL PIPE,NLA [ More info ] Unavailable |
| #20 | 27-848147 | GASKET, Exhaust Elbow (2 required per assembly) |
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27-848147 - Exhaust Elbow Gasket [ More info ]
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| #21 | 10-815166 | SCREW, (.375-16 x 5.625) (8 required per assembly) |
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10-815166 - SCREW,NLA [ More info ] Unavailable |
| #21 | 10-37612 | SCREW, (.375-16 x 1.250) (4 required per assembly) |
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10-37612 - Screw - Priced Individually [ More info ]
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| #22 | 12-20553 | WASHER, (.406 x .734 x .063) (12 required per assembly) |
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12-20553 - Washer - Priced Individually [ More info ]
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| #23 | 11-25269 | NUT, (.375-24) (4 required per assembly) |
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11-25269 - Nut (3/8-24) [ More info ]
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