420 GM 454 V8 1987-1989 - Serial 0A398941 Thru 0B622418 - Exhaust Manifold - Elbow (Mercruiser System)

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Ref. OEM Part # Hardin # Mallory # GLM # Other # Description Num Req. Superseded From Special Notes
1 135881         MANIFOLD, Exhaust 2   This Part is No Longer Available
2 27-46820         GASKET, Exhaust Manifold To Cylinder Head 2
2
3 10-37612         SCREW, (.375-16 x 1.250) 4

3 10-812567         SCREW, (.375-16 x 1.625) 8

4 12-20553         WASHER, (.406 x .734 x .063) 16

5 12-20086         WASHER, (.390 x .620 x .060) 8

6 16-49545         STUD 4

7 11-25269         NUT, (.375-24) 4

8 22-36382     700-21887   FITTING, (.250-18 x .62) Brass 4

9 22-36305T         ELBOW 2 22-36305
10 27-813714         GASKET, Exhaust Elbow 2
No longer made, limited availability 2
11 10-15007         SCREW, (.375-16 x 6.25) 8

12 10-37612         SCREW, (.375-16 x 1.250) 4

13 13-35048         LOCKWASHER, (.375) 4

14 10-37612         SCREW, (.375-16 x 1.250) 8

15 13-35048         LOCKWASHER, (.375) 8

16 138461         ELBOW, Exhaust, Style I 2   This Part is No Longer Available
17 27-13848         GASKET, Exhaust Pipe, Style I 2
2
18 13851A1         PIPE ASSEMBLY, Exhaust, Style I 2   This Part is No Longer Available
19 18069         DEFLECTOR, Exhaust, Style I 2

20 177661         ELBOW, Exhaust, Style II 2

21 27-18238         GASKET, Exhaust Pipe, Style II 2
2
22 15998A1         PIPE ASSEMBLY, Exhaust, Style II 2   This Part is No Longer Available
23 32-182305         HOSE, Exhaust, Style II 2   This Part is No Longer Available
24 54-180765         CLAMP, Worm Gear, Style II 4

25 22-36305T         ELBOW, Style II 2 22-36305
20 177661         ELBOW, Exhaust, Style II With Muffler 2

21 27-18238         GASKET, Exhaust Pipe, Style II With Muffler 2
2
22A 42-8136461         MUFFLER, Exhaust, Style II With Muffler 2   This Part is No Longer Available
23 32-182305         HOSE, Exhaust, Style II With Muffler 2   This Part is No Longer Available
24 54-180764         CLAMP, Worm Gear, Style II With Muffler 4

25 22-36305T         ELBOW, Style II With Muffler 2 22-36305
- 27-13218A1         GASKET SET 1