Boating Solutions Mercruiser Sterndrive Exhaust Manifolds Parts Guide

 

Mercruiser Exhaust Manifold Parts Application
Model Serial Number

Manifold                  Stb (*)                   Port (#)

Elbow                 Stb (*)           

 Port(#)

 End Cap Manifold Block-Off Plate Manifold Gasket Elbow Gasket End Cap Gasket EndCap WaterPort Gasket Gasket Set
120 1666601-2046624

*-       # -

 * -    # N/A - N/A 18-2896 - N/A - N/A
120 2046625-2324346

*18-1959   

 # N/A

*18-1973       

 # N/A 

 N/A N/A 18-2896 18-2819 18-1210 18-1209 18-4395
120 2324347-3377340

*18-1959   

 # N/A

*18-1973    

 # N/A

 18-1995 N/A 18-2896 18-2819 18-1210 18-1209 18-4395
120 3377341-5192408

*18-1959     

 # N/A

*18-1973    

 # N/A

 18-1995 N/A 18-2896 18-2819 18-1210 18-1209 18-4395
120 5192049-6229717

*18-1959   

  # N/A

*18-1973   

 # N/A 

 18-1995 N/A 18-2896 18-2819 18-1210 18-1209 18-4395
120/2.5L 6229718 & Up

*18-1956-1    

 # N/A

*18-1972(9)  

 # N/A 

 18-4009 N/A 18-1204 18-2833 18-0928 18-2832 18-4367
140(4Cyl) 2508261-3332137

*18-1955-1    

 # N/A

*18-1971    

 # N/A

 18-4009(2) 18-1990 18-1203 18-2833 18-2832 18-2832 -
140(4Cyl) 3332138-5157668

*18-1955-1    

  # N/A

*18-1971    

  # N/A

 18-4009 18-1990 18-1203 18-2833 18-2832(6) 18-2832 18-4398
140(4Cyl) 5157669-6229717

*18-1955-1 

  # N/A

*18-1971           

  # N/A

 18-4009 18-1990 18-1203 18-2833 - 18-2832 18-4398
140/3.0L 6229718 & Up

*18-1956-1     

 # N/A

*18-1971(9)            

  # N/A

 18-4009 N/A 18-1204 18-2833 - 18-2832 18-4367
3.0/3.0LX C856559-F603999

*18-1956-1 

 # N/A

*18-1975              

 # N/A

 18-4009(10) N/A 18-1204 18-2833 18-0928 18-2832 -
140(6Cyl) 1538930-1725960

* -     # N/A

* -     # N/A

 N/A N/A 18-2830 - - - -
150 1666495-2048046

* -   # N/A

* -     # N/A

 - N/A 18-2830 - N/A - -
160 2048022-2770031

* -     # N/A

*18-1973     

 # N/A

 N/A N/A 18-2830 - 18-1210 18-1209 -
165 5178959 & Up

*18-1960-1     

# N/A

*18-1971      

   # N/A

 18-4009 18-1990 18-2830 18-2833 N/A 18-2832 -
165/170/3.7L *- *- 5724 - - - - - - -
180/190/3.7LX *- *- 5724 - - - - - - -
175/4.3L(262CID) B527955 & Up

*18-1952-1           

 # N/A

* (9)     # N/A

 N/A N/A 18-2909 18-0897 N/A N/A 18-4347
4.3L (Gen II) D714107 & Up

*18-1952-1         

 # N/A

* (9)      # N/A

 N/A N/A 18-2909 18-0897 N/A N/A -
4.3L (Gen II) F000878 & Up

*18-1952-1  

# N/A

* (9)    # N/A  

 N/A N/A 18-2909 18-0897 N/A N/A -
185 (229 CID) 6330183 & Up

*18-1952-1     

 # N/A

* (9)     # N/A

 N/A N/A 18-2909 18-0897 N/A N/A 18-4347
185 (262 CID) A331455 & Up

*18-1952-1       

# N/A

* (9)     # N/A

 N/A N/A 18-2909 18-0897 N/A N/A 18-4347
200 2453769-2712072

*18-1960-1     

 # N/A

*18-1971   

 # N/A

 - N/A 18-2830 18-2833 18-2832 18-2832 18-4347
200-GM 6218462 & Up

*18-1953 

 # N/A

*(9)(4)   # N/A

 N/A N/A 18-0872 18-0897 N/A N/A -
200/5.0L GM B525982 & Up

*18-1953 

 # N/A

*(9)(5)  # N/A

 N/A N/A 18-0872 18-0897 N/A N/A -
205 (262 CID) A331455 & Up

*18-1952-1 

 # N/A

*(9)(4)   # N/A

 N/A N/A 18-2909 18-0897 N/A N/A 18-4347
205/4.3L-LX B527955 & Up

*18-1952-1   

  # N/A

*(9)     # N/A

 N/A N/A 18-2909 18-0897 N/A N/A -
4.3LX(Gen II) D714370 & Up

*18-1952-1

# N/A

*(9)    # N/A

 N/A N/A 18-2909 18-0897 N/A N/A 18-4347
4.3LX(Gen II) F001220 & Up

*18-1952-1   

 # N/A

*(9)      # N/A

 N/A N/A 18-2909 18-0897 N/A N/A -
215-Ford 2781153 & Up

*18-1958    

 #18-1962

*18-1971(2)   

# N/A

 18-4009 18-4008 18-0183 18-2833 18-2832 18-2832 18-4399
225-Ford 3385721 & Up

*18-1958      

  #18-1962

*18-1971(2)    

  # N/A  

 18-4009 N/A 18-0183 18-2833 18-2832 18-2832 18-4399
225-S (Ford) 3385721 & Up

*18-1958    

#18-1962

*18-1971(2)       

 # N/A

 18-4009 18-4008 18-0183 18-2833 18-2832 18-2832 18-4399
225-GM 1539620-2278646

* -       # N/A

* -       # N/A

 N/A N/A 18-0872 - N/A - -
225-GM 2278647-2694014

* -       # N/A

* -       # N/A

 N/A N/A 18-0872 - N/A - -
228-GM 4765100-4888929

* -       # -

*-(4)       

 # N/A

 18-4009 18-4008 18-0872 18-0885 18-2832 18-2832 -
228-GM 4888930-5170008

*18-1950-1     

 #18-1951-1

*18-1971      

# N/A

 18-4009 18-4008 18-0872 18-2833 18-2832 18-2832 -
228-GM 5170009-6218461

*18-1950-1     

#18-1951-1

*-(4)   

# N/A

 18-4009 18-4008 18-0872 18-2833 18-2832 18-2832 18-4394
228-GM 6218462 & Up

*18-1953    

#N/A

* (9)    # N/A

 N/A 18-4008 18-0872 18-0897 N/A N/A 18-4394
230-GM(IMBRD) 5907058 & Up

*18-1953 

 #N/A

* (9)   # N/A

 N/A N/A 18-0872 18-0897 N/A N/A 18-4349
230/5.0-GM (IB) B522506 & Up

*18-1953

#N/A

* (9)        # N/A

 N/A N/A 18-0872 18-0897 N/A N/A 18-4349
230-GM 6218462 & Up

*18-1953

#N/A

* (9)    # N/A

 N/A N/A 18-0872 18-0897 N/A N/A 18-4349
230/5.0L-LX(GM) B525982 & Up

*18-1953 

 #N/A

* (9)(5)    # N/A

 N/A N/A 18-0872 18-0897 N/A N/A 18-4349
233-Ford 4173000 & Up

*18-1958 

#18-1962

*18-1971 (3)  

 # N/A

 18-4009(4) 18-4008 18-0183 18-2833 18-2832 18-2832 18-4399
250-GM 2314301-2639854

* -   # -

*-   # N/A

 18-4009(10) 18-4008 18-0872 18-0885 18-2832 18-2832 -
250-GM 4768860-4908849

*18-1950-1

#18-1951-1

*18-1971  

# N/A

 18-4009 18-4008 18-0872 18-2833 18-2832 18-2832 18-4394
255-Ford 3258728 & Up

*18-1958     

 #18-1962

*18-1971(2)   

 # N/A

 18-4009(3) 18-4008 18-0872 18-2833 18-2832 18-2832 18-4399
255-GM 4175500-4499060

* -  # -

*-     # N/A

 18-4009 18-4008 18-0872 18-0885 18-2832 18-2832 18-4394
255-GM 4499061-5195908

*18-1950-1   

#18-1951-1

*18-1971(2)   

# N/A

 18-4009 18-4008 18-0872 18-2833 18-2832 18-2832 18-4394
255-GM 5195909 & Up

*18-1950-1  

 #18-1951-1

*-     # N/A

 18-4009 18-4008 18-0872 18-0885 18-2832 18-2832 18-4394
260-GM 4908850-6218461

*18-1950-1    

#18-1951-1

*18-1971    

 # N/A

 18-4009 18-4008 18-0872 18-2833 18-2832 18-2832 18-4394
260-GM 6218462 & Up

*18-1953  

# N/A

* (9)  # N/A

 N/A 18-4008 18-0872 18-0897 N/A N/A 18-4349
260/5.7L (GM) B525982 & Up

*18-1953 

 # N/A

* (9)(5)  # N/A

 N/A 18-4008 18-0872 18-0897 N/A N/A 18-4349
260-GM (INBD) 5907058 & Up

*18-1953  

 # N/A

* (9)  # N/A

 N/A 18-4008 18-0872 18-0897 N/A N/A 18-4349
260/5.7-GM (IB) B588506 & Up

*18-1953   

  # N/A

* (9)   # N/A

 N/A 18-4008 18-0872 18-0897 N/A N/A 18-4349
270-GM 2851074-3077735

* -   # -

*  -    # N/A

 18-4009 N/A 18-0872 18-0885 18-2832 18-2832 -
280-GM 4176250 & Up

* -   # -

*  -     # N/A

 18-4009 N/A 18-0872 18-0885 18-2832 18-2832 -
300MR/TRS(GM) 6668677 & Up

*18-1953   

# N/A

*  -     # -

 N/A N/A 18-0872 18-2849 N/A N/A -
320-GM (EFI) A543604 & Up

*18-1953   

 # N/A

*  (9)     # N/A

 N/A N/A 18-0872 18-2849 N/A N/A -
320-GM (EFI) B157603 & Up

*18-1953    

 # N/A

*  (9)    # N/A

 N/A N/A 18-0872 18-2849 N/A N/A -
325-GM 2313965-3042730

* -    # -

*  -    # N/A

 - N/A 18-0418 18-0885 - - 18-4397
325-GM 3042731 & Up

* -   # -

*  -     # N/A

 18-4009 N/A 18-0418 18-0885 18-2832 18-2832 18-4397
330-GM 4623115 & Up

* -   # -

*  -     # N/A

 18-4009 N/A 18-0418 18-0885 18-2832 18-2832 18-4397
330-GM/W.B.W 6083145 & Up

* -   # N/A

* (9)(4) # N/A

 N/A N/A 18-0418 18-0897 N/A N/A 18-4348
340/7.4L-GM 5889914 & Up

* -    # N/A

* (9)(4)   # N/A

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397
350-GM 3780450 & Up

* -   # -

*-     # N/A

 18-4009 N/A 18-0418 18-0885 18-2832 18-2832 18-4349
350-GM (Mag) 350-GM (Mag) A635178 & Up  B525982 & Up

*18-1953 

# N/A

* 18-1953

# N/A

* (9)

# N/A

* (9)(5)

# N/A

  N/A         N/A N/A     N/A 18-0872 18-0872 18-0897  18-0897 N/A     N/A N/A     N/A -            -
350(Mag-Trn.Ski) D505450 & Up

*18-1953  

 # N/A

* 9)   # N/A

 N/A N/A 18-0872 18-0897 N/A N/A -
370 TRS-GM 4179554 & Up

* -   # -

*-      # N/A

 18-4009 18-1990 18-0418 18-0885 18-2832 18-2832 -
370 TRS-GM 6721528 & Up

* 18-1957      

 # N/A

* (9)(4)    # (9)(4)

 N/A N/A 18-0418 18-2849 N/A N/A 18-4348
390-GM 2781129-2825059

* N/A    # N/A

*  -      # N/A

 18-4009 N/A 18-0418 18-0885 18-2832 18-2832 -
400 TRS-GM 4179554 & Up

* N/A    # N/A

*  -      # N/A

 18-4009 18-1990 18-0418 18-0885 18-2832 18-2832 -
420-GM A398941 & Up 

* -    # N/A

*  -      # N/A

 N/A N/A 18-0418 - N/A N/A -
425-GM A398941 & Up 

* -     # N/A

*  -      # N/A

 N/A N/A 18-0418 - N/A N/A -
440 TRS-GM 4179554 & Up

* -     # -

*  -      # N/A

 18-4009 18-1990 18-0418 18-0885 18-2832 18-2832 -
454-GM (Mag) A631894 & Up

* 18-1957  

# N/A

* (9)    #N /A

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397
454 Mag Bravo(GM) B721206 & Up

* 18-1957

# N/A

* (9)    # N/A

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397
454MagBravo(GenV) D805069 & Up

* 18-1957    

# N/A

*-       # -

 N/A N/A 18-0418 18-0897 N/A N/A 18-4348
460 TRS-GM 4179554 & Up

* -      # -

*  -     # N/A

 18-4009 18-1990 18-0418 18-0885 18-2832 18-2832 -
465 C849992 & Up

* -     # -

*  -     # N/A

 N/A N/A 18-0418 - N/A N/A -
470 4208730-5520114

* -   # N/A

*18-1971(6)    

  # N/A

 - N/A - 18-2833 18-2832 18-2832 -
470

470 (170)

 5520115-6218036

* -  # N/A

*18-1972(2)

# N/A

5725

 N/A 18-1990 - 18-2833 18-2832 18-2832 -
500 C577254 & Up

* -   # -

*-      # N/A

 N/A N/A 18-0418 - N/A N/A -
502MagBravo(GM) C878221 & Up

* 18-1957 

 # N/A

* (9)   # N/A

 N/A N/A 18-0418 18-0897 N/A N/A -
502MagBravo(GenV) D824589 & Up

* 18-1957 

  N/A

*-     # -

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397
502 EFI D840650 & Up

* 18-1957  

 # N/A

*-      # -

 N/A N/A 18-0418 18-0897 N/A N/A -
525 D456000 & Up

* -       # -

*-       # N/A

 N/A N/A 18-0418 - N/A N/A -
888-Ford 3108723 & Up

* 18-1958      

 # 18-1962

*18-1971     

 # N/A

 18-4009 18-4008 18-0183 18-2833 18-2832 18-2832 18-4399
898/198-GM 4762210-6218461

* 18-1950-1 

# 18-1951-1

*18-1971(2)   

 # N/A

 18-4009 18-4008 18-0872 18-2833 18-2832 18-2832 18-4349
898-GM 6218462 & Up

* 18-1957  

 # N/A

* (9)(4)    # N/A

 N/A 18-4008 18-0872 18-0897 N/A N/A 18-4349
5.7-GM (Ski) A338553 & Up

* 18-1953  

# N/A

* (9)         # N/A

 N/A N/A 18-0872 18-0897 N/A N/A 18-4349
5.7-GM (Ski) B514627 & Up

* 18-1953 

# N/A

* (9)(4)    # N/A

 N/A N/A 18-0872 18-0897 N/A N/A 18-4349
5.7L Bravo (GM) B525982 & Up

* 18-1953    

 # N/A

* (9)(5)     # N/A

 N/A N/A 18-0872 18-0897 N/A N/A -
7.4L Bravo (GM) B771113 & Up

* 18-1957      

# N/A

* (9)      #N/A

 N/A N/A 18-0418 18-0897 N/A N/A -
7.4LMagBravo(GenV) D603118 & Up

* 18-1957         

 # N/A

*-        # -

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397
7.4L w/Hurth (IB) ALL

* 18-1957        

# N/A

* (9)     # N/A

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397
7.4L (IB/LHR/GenV) D715494 & Up

* 18-1957    

# N/A

*-   # -

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397
8.2L w/Hurth (IB) C878221 & Up

* 18-1957         

 # N/A

*-   # -

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397
8.2L (IB) (Gen V) D857200 & Up

* 18-1957      

 # N/A

*-   # -

 N/A N/A 18-0418 18-0897 N/A N/A 18-4397

# Port if necessary  * Starboard if necessary  (2) Inboards not included   (3) Not including Inboard   (4) V-Drive use 18-1971 

(4) For 15-degree - 3" O.D. elbow use 18-1970-1  (5) Cast iron elbow only   (7) S/N 4471566 & up use 18-0928   

(7) MCM 228 & 228-TR S/N 4888930 & Up    (9) Two piece elbow assembly  (10) Manifold with end caps only  

(9) For 0-degrees -3" O.D. use 18-1970-1: For 7-degrees - 4" O.D. use 18-1976-1

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