HERITAGE MARINE  

Since 1986 

410 Mc Donough St. Joliet, IL. 60436 888.726.4406

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MERC EXHAUST MANIFOLD

MERCRUISER EXHAUST PARTS

Sierra

mercruiser gm 4 cylinder (120, 140, 2.5l, 3.0l) sterndrive exhaust manifold exploded view

Figure # Description O.E.M. # Sierra # Application
1 MANIFOLD 95862A 5 18-1954-1 MANIFOLD

FITS 2.5 & 3.0L 181 cid MODEL 140 WITH RCHESTER CARB W/ ELECTRIC CHOKE 1983-89, MANIFOLD GASKET 18-1204
2 MANIFOLD 96705A 1 18-1955-1 Fits: 3.0 181 CID MODEL 140 ROCHESTER CARB W/ MECHANICAL CHOKE 1968-82, USE MANAFOLD GASKET 18-1204 / MOUNTING HARDWARE 18-8549
3 MANIFOLD 99798A 18 18-1956-1 FITS 3.0L MODEL 140 & 3.0 WITH MAERCARB CARB W/ ELECTRIC CHOKE GASKET 18-1204
4 MANIFOLD GASKET 27-96429 18-1204 FITS ABOVE MANIFOLDS.
5

FRONT /END CAP GASKET

 27-48043-1 18-2832 .FITS PORT/STB CAPS ON ABOVE MANIFOLDS
6 FRONT PLATE 60252A 2 18-4009

FITS ABOVE

MANIFOLDS
7 END PLATE 805629 18-5021 FITS ABOVE MANIFOLDS
8 MOUNTING BOLT NSS N/A
9 EXHAUST BOOT 32-44348T 18-2748 4" id use with 18-1975 elbow
10 MANIFOLD ELBOW 76351A 2 18-1971

MANIFOLD ELBOW    ELBOW GASKET 18-2833

MOUNTING KIT 18-4362     CK TO INSURE YOU HAVE CORRECT MATCHING PART
11 MANIFOLD ELBOW 76771A 3 18-1978

MANIFOLD ELBOW    ELBOW GASKET 18-2833

MOUNTING KIT 18-4362    CK TO INSURE YOU HAVE CORRECT MATCHING PART
12 MANIFOLD ELBOW 555.8A 2 18-1973

MANIFOLD ELBOW    ELBOW GASKET 18-2833

MOUNTING KIT 18-8508  CK TO INSURE YOU HAVE CORRECT MATCHING PART
13 MANIFOLD RISER 12076A 2 18-1975 FITS ABOVE MANIFOLDS ELBOW GASKET 18-2819, HARDWARE 18-551, EXHAUST BOOT 18-2748

14

15

16

17

 MOUNTING BOLT N/A N/A
18 MOUNTING KIT N/A 18-4362 USE WITH ELBOWS, 181971,18-1978. INCKLUDES 18-2833 ELBOW GASKET
19
MOUNTING KIT
N/A 18-8512 USE WITH FRONT PLATE, 18-4009 & END PLATE, INCLUDES 18-2832, FRONT/END CAP GASKET
20 HARDWARE KIT N/A 18-8549 HARDWARE FOR MANIFOLD 18-1955-1 MANIFOLD ONLY
21 HARDWARE KIT N/A
NLA
 ELBOW HARDWARE ONLY 18-1975
22 MOUNTING KIT N/A 18-8508 ELBOW HARDWARE ONLY 18-1973, INCLUDES GASKET 18-2819

 23  ELBOW GASKET 27-99777-2  18-2833   USE WITH ELBOWS 18-1971,18-1978, INCLUDED
IN
18-4362 MOUNTING KIT
 24  CARB GASKET  27-616992 18-0356  FITS ABOVE MANIFOLDS
 25  ELBOW GASKET  27-39915  18-28199
         
         
         
 1234444        

IF YOU WANT HELP JUST COMPLETE THIS FORM 

 




Sierra

mercruiser gm small block v8 (200, 228, 230, 260, 898) sterndrive exhaust manifold exploded view

 

Mercruiser Sterndrive Exhaust Manifold Exploded View Diagram and Parts
Fits GM Small Block V6 305 & 350 cu. In.
Models 200, 228, 230, 260 & 898
Figure # Description O.E.M. # Sierra #
1 MANIFOLD 87114A19 18-1953-2
2 ELBOW GASKET (RESTRICTOR) 27-41813 18-0897
3 ELBOW GASKET (OPEN) 27-818832 18-2849
4 MANIFOLD GASKET (Included in 18-8520 mounting kit. ) 96306 18-2949
5 MOUNTING BOLT (Included in 18-8520 mounting kit. ) N/A NSS
6 HOSE FITTING 3/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting) N/A 18-8216
7 HOSE FITTING 3/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting) N/A 18-4461
8 HOSE FITTING 3/4" - 14NPT X 3/4" Hose (Corrosion Resistant Brass Fitting) N/A 18-8215
9 MOUNTING KIT (Includes 18-2949 manifold gasket. ) N/A 18-8520
10 MOUNTING KIT (Use with Riser: 18-1976-1. Includes 18-0897 elbow gasket. ) N/A 18-8505
11 MOUNTING KIT (Use with Risers: 18-1970-1, 18-1974-1. Includes 18-0897 elbow gaskets. ) N/A 18-8529
12 MANIFOLD SPACER 3" Spacer. Use with mounting kit 18-8554 with 18-1970-1, or mounting kit 18-8555 with 18-1976-1. 933220A12 18-1908
13 MANIFOLD SPACER 6" Spacer. Use with mounting kit 18-8556. (Note to mount elbows to spacer a separate mounting kit is required) 93322 18-1985
14 MANIFOLD ELBOW (Use mounting kit: 18-8529. Do not use with spacer) 98502A2 18-1974-1
15 MOUNTING STUD (Included in 18-8529 mounting kit.) N/A NSS
16 MOUNTING BOLT (Included in 18-8505 mounting kit. ) N/A NSS
17 MANIFOLD ELBOW (Use mounting kit: 18-8505, or if spacer is included use 18-8555.) 44354A3 18-1976-1
18 ELBOW GASKET (CLOSED) 27-860231 18-0672
19 MANIFOLD ELBOW (Use mounting kit: 18-8529, or if spacer is included use 18-8554. ) 98504A3 18-1970-1
20 MOUNTING KIT (Use with Manifold Spacer: 18-1985. Includes 18-0897 & 18-2849. Note: To mount elbows to spacer a separate mounting kit is required.) N/A 18-8556
21 MOUNTING KIT (Use with Spacer 18-1908: Riser 18-1970-1) N/A 18-8555
22 MOUNTING KIT (Use with Spacer 18-1908: Riser 18-1970-1) N/A 18-8554
NOTE, NEED HELP LOCATING YOUR PARTS  CLICK HERE


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