Mercruiser GM Small Block V8 (198, 228, 898) Sterndrive Exhaust Manifold Exploded View

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Mercruiser GM Small Block V8 (198, 228, 898) Sterndrive Exhaust Manifold Exploded View
Mercruiser Sterndrive Exhaust Manifold Exploded View Diagram and Parts
Fits GM Small Block V8 305-350 cu. In.
Models 198, 226 & 898
Figure #DescriptionO.E.M. #Sierra #Application
1MANIFOLD (STARBOARD)774235A2 18-1951-1 
2MANIFOLD ELBOW76771A3 18-1978Use with Manifolds: 18-1950-1, 18-1951-1; Elbow Gasket 18-2833; Mounting Kit 18-4362.
3MOUNTING STUD16-49545 18-32333/8-24, 3/8-16 X 1 3/4. Included in 18-4362 mounting kit.
4MOUNTING STUDN/ANSSIncluded in 18-8554 mounting kit.
5MOUNTING BOLTN/ANSSIncluded in 18-8512 mounting kit.
6ELBOW GASKET27-99777-2 18-2833Use with Elbows: 18-1971 & 18-1978. Included in 18-4362 mounting kit.
7MANIFOLD ELBOW76351A2 18-1971Use with Manifolds: 18-1950-1, 18-1951-1; Elbow Gasket 18-2833; Mounting Kit 18-4362.
8MANIFOLD SPACER61851 18-19063" Spacer for Manifold: 18-1950-1, 18-1951-1. Use with mounting kit 18-8554 with 18-1971 or 18-1978 Elbows.
9BLOCK OFF PLATE60207 18-4008Use with Manifolds 18-1950-1, 18-1951-1. Requires (2) 18-2833 elbow gaskets
10MANIFOLD (PORT)77234A2 18-1950-1 
11END PLATE60252A2 18-4009Use with (Port & Starboard) Manifolds: 18-1950-1 & 18-1951-1; Mounting Kit: 18-8512
12FRONT/END PLATE GASKET27-48043-1 18-2832Fits Port & Starboard Caps of Manifolds: 18-1950-1, 18-1951-1. Use with Front Plate: 18-4009; End Plate: 18-1912. Included in 18-8512 mounting kit.
13END PLATE54870 18-1912Fits Manifold: 18-1950-1, 18-1951-1; Mounting Kit: 18-8512.
14MANIFOLD GASKET96306 18-2949Use with Manifold: 18-1951-1
15MOUNTING BOLTN/ANSSIncluded in 18-8520 mounting kit.
16MOUNTING KITN/A 18-8520Use with Manifolds: 18-1950-1, 18-1951-1. Includes 18-2949 manifold gasket.
17MOUNTING KITN/A 18-8512Use with Front/End Plates: 18-4009, 18-1912. Includes 18-2832 front end plate gasket
18MOUNTING KITN/A 18-8554Use with Manifold Spacer: 18-1908 with Riser 18-1971 or 18-1978 Elbows. Included in 18-1908K. Includes (1) 18-2849 & 18-0897 elbow gaskets.
19MOUNTING KITN/A 18-8514Use with Elbows: 18-1971 & 18-1978. Includes 18-2833 gasket & 18-4008 block off plate.
20MOUNTING KITN/A 18-4362Use with Elbows: 18-1971 & 18-1978. Includes 18-2833 elbow gasket.
21HARDWARE KITN/A 18-8548Includes only hardware for 18-1950-1 & 18-1951-1 manifolds. Included in 18-8520 mounting kit.
Review for Exhaust Manifold Elbow Mounting Package for Mercruiser, Barr MC20-60426P, GLM 5 by a CustomerMay 28, 2009

(1 of 2 people found this review helpful)
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EXCELLENT AFTERMARKET PART by James - Hamptonville, North CarolinaSeptember 27, 2011
This elbow is far superior to the "stock" units that are no longer available. It is solid cast for as twin-wall and the bolt mating end is stainless steel!
(2 of 2 people found this review helpful)
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Average Customer Review for Exhaust Manifold Elbow Gasket - Sierra
Based On 4 Reviews
Good by Zach - West Valley, UtahSeptember 07, 2012
This worked on my engine perfectly. I have a 1974 Mercruiser with a 302 Ford in it.
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Average Customer Review for Exhaust Manifold Mounting Kit - Sierra
Based On 2 Reviews
none by Roger - Ocean Isle Beach, North CarolinaNovember 17, 2011
none
(0 of 1 people found this review helpful)
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Average Customer Review for End Cap Gasket - Sierra
Based On 1 Review
gasket by Ron - Bellflower, CaliforniaMay 30, 2011
perfect fit works great
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Average Customer Review for Exhaust Manifold Block-Off Plate - Sierra
Based On 1 Review
"New" old parts by James - Hamptonville, North CarolinaSeptember 24, 2011
Very nicely cut, fits bolt pattern. However, seems a smidge thinner than OE.
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Based On 1 Review
Review for Sierra 18-8554 Exhaust Elbow Mounting Kit by a CustomerMay 28, 2009

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Based On 1 Review
Review for Sierra 18-8512 Exhaust Elbow Mounting Kit by a CustomerMay 28, 2009

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Based On 1 Review
Review for Sierra 18-8514 Exhaust Elbow Mounting Kit by a CustomerMay 28, 2009

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No Review for Mallory Gasket , exh. Elbow 9-61407
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BARR MC2060426P replacement parts

Part # 18-4362


Part # 18-4362
Replaces OEM part #

  • BARR MC20-60426P
Use with:
    Elbow: 18-1971 & 18-1978
Includes 18-2833 elbow gasket

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GLM 51120 replacement parts

Exhaust Manifold Elbow for Mercruiser 76351A2, Barr MC-20-60426P, GLM 51120 - Sierra*
Sale Price: $139.49 (Out of stock)
Save: $54.51
(28% Off $194.00)
Part # 18-1971


Part # 18-1971
Replaces OEM part #

  • MERCURY MARINE 76351A2
  • BARR MC20-60426P
For: most early model Mercruiser 140 HP (4 cyl) applications
Use with:
    Manifold: 18-1960-1, 18-1958, 18-1950-1, 18-1951-1, 18-1962, 18-1954-1, 18-1955-1, 18-1956-1
    Elbow Gasket: 18-2833
    Mounting Kit: 18-4362

 
Mercury Marine 77235A2 replacement parts

Exhaust Manifold Mounting Package - Sierra*
Sale Price: $296.99
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Part # 18-1951-1
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Part # 18-1951-1
Replaces OEM part #

  • MERCURY MARINE 77235A 8
  • MERCURY MARINE 77235A2
Starboard Side
Fits most Mercuiser (GM)small blocks with end riser, (V8) 305-350 cu.in. models 198, 228, & 898.
Supplied with Mounting Package
Use with:
    Exhaust Manifold Gasket: 18-2949
    Mounting Kit: 18-8548

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Mercury Marine 27-99777 2 replacement parts

Exhaust Manifold Elbow Gasket - Sierra*
Sale Price: $3.59
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Part # 18-2833-9


Part # 18-2833-9
Replaces OEM part #

  • MERCURY MARINE 27-99777-2
Package of 2
Use with Elbows: 18-1971, 18-1978 & 18-1972. Included in 18-4362 mounting kit

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Exhaust Manifold Mounting Kit - Sierra

Exhaust Manifold Mounting Kit - Sierra*
Sale Price: $13.49
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Part # 18-8520


Part # 18-8520
For: Mercruiser GM Small Block V8 305-350cu.in. (Models: 198, 200, 228, 230, 260, 898)

Used with:

    Manifold: 18-1950-1,18-1951-1, 18-1953-2
Includes 18-2949 manifold gasket

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Exhaust Manifold Mounting Kit - Sierra

Part # 18-8548
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Part # 18-8548
Includes only Hardware for 18-1950-1 & 18-1951-1 manifolds
Included in 18-8520 mounting kit

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Exhaust Manifold Gasket - Sierra

Exhaust Manifold Gasket - Sierra*
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Part # 18-2949-9
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Part # 18-2949-9
Pkg of 2
Replaces OEM part #

  • CRUSADER 96306
  • BARR CHV-47-000
  • VOLVO 835966-3
  • VOLVO 856034-4

Use with:
  • Manifold 18-1997-1, 18-1951-1 18-1931-1; Included in 18-8511 mounting kit
For:
  • AQ200, 225, 260, 271, 290, 311, V-8

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GLM 50330 replacement parts

Exhaust Manifold Spacer - Sierra*
Sale Price: $117.89
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Part # 18-1906
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Part # 18-1906
Replaces OEM part #

  • MERCURY MARINE 61851
3" Spacer for 18-1950, 18-1950-1, 18-1951, 18-1951-1, 18-1958 & 18-1962 manifolds
Use with mounting 18-8554 with 18-1971 or 18-1978 elbows

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GLM 31490 replacement parts

End Cap Gasket - Sierra*
Sale Price: $4.49
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Part # 18-2832-9


Part # 18-2832-9
Replaces OEM part #

  • MERCURY MARINE 27-48043-1
Package of 2
Fits Port & Starboard Caps of Manifold: 18-1960-1, 18-1950-1, 18-1951-1, 18-1958, 18-1962, 18-1954-1, 18-1955-1, 18-1956-1
Use with Front Plate: 18-4009
End Plate: 18-1912
Included in 18-8512 mounting kit

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Exhaust Manifold Block-Off Plate - Sierra

Exhaust Manifold Block-Off Plate - Sierra*
Sale Price: $8.99
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Part # 18-4008


Part # 18-4008
Replaces OEM part #

  • MERCURY MARINE 60207
Use with:
    Riser: 18-1971, 18-1978
    Manifolds: 18-1950-1, 18-1951-1, 18-1958, 18-1962
Requires (2) 18-2833 elbow gaskets

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GLM 53330 replacement parts

Exhaust Manifold Elbow Mounting Kit - Sierra*
Sale Price: $35.09
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Part # 18-8554


Part # 18-8554
For: Mercruiser 229 and 262 ci V6, 305 and 350 SB V8, 454 Big Block V8.

Used with:

    Riser Kit: 18-1908K and 18-1908 Spacer
    Riser: 18-1970-1, 18-1971, 18-1978
    Manifold: 18-1952-1
    Manifold Spacer: 18-1906
Use 18-8554 Mounting Kit when 18-1908 Spacer, 18-1970-1 Elbow and 18-1974 Elbow are used together
Included in 18-1908K
Includes (1) 18-2849 & 18-0897 elbow gaskets

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GLM 51010 replacement parts

Exhaust Manifold End Plate - Sierra*
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Part # 18-4009
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Part # 18-4009
Replaces OEM part #

  • MERCURY MARINE 60252A2
Use with:
    Manifold: 18-1960-1, 18-1958, 18-1950-1, 18-1951-1, 18-1962, 18-1954-1, 18-1955-1, 18-1956-1
    End Plate Gasket: 18-2832
    Mounting Kit: 18-8512

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Exhaust Manifold with Mounting Package - Sierra

Exhaust Manifold with Mounting Package - Sierra*
Sale Price: $313.19
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Part # 18-1950-1
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Part # 18-1950-1
Replaces OEM part #

  • MERCURY MARINE 77234A2
Port Side
Fits most Mercuiser (GM) small blocks with end riser, (V8) 305-350 cu.in. Models 198, 228, & 898
Supplied with Mounting Package
Use with:
    Exhaust Manifold Gasket: 18-2949
    Mounting Kit: 18-8548

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Mercury Marine 76771A2 replacement parts

Exhaust Manifold Elbow - Sierra*
Sale Price: $214.19
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Part # 18-1978
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Part # 18-1978
Replaces OEM part #

  • MERCURY MARINE 76771A2
  • MERCURY MARINE 76771A3
For: V-8 Inboard Applications Only
Use with:
    Manifold: 18-1950-1, 18-1951-1, 18-1958, 18-1962, 18-1954-1, 18-1955-1, 18-1956-1
    Elbow Gasket: 18-2833
    Mounting Kit: 18-4362

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Exhaust Manifold Elbow Mounting Kit - Sierra

Exhaust Manifold Elbow Mounting Kit - Sierra*
Sale Price: $8.99
Save: $2.70
(23% Off $11.69)
Part # 18-8512


Part # 18-8512
For: Mercruiser GM 4 Cylinder 181cu.in. (Models:120, 140, 2.5L, 3.0L), GM Inline 6 Cylinder 250-292cu.in. (Models: 165 and 200), Ford Small Block V8 302-351cu.in. (Models: 215, 225, 233, 255, 888), GM Small Block V8 305, 350cu.in. (Models: 198, 228, 898)

Used with:

    Front Plate: 18-4009
    Rear Plate: 18-1912
Includes 18-2832 gasket

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Exhaust Manifold Elbow Mounting Kit - Sierra

Exhaust Manifold Elbow Mounting Kit - Sierra*
Sale Price: $27.89
Save: $9.10
(24% Off $36.99)
Part # 18-8514


Part # 18-8514
For: Mercruiser Ford Small Block V8 302-351cu.in. (Models: 215, 225, 233, 255, 888), GM Small Block V8 305-351cu.in. (Models: 198, 228, 898)

Used with:

    Riser: 18-1971 & 18-1978
    (Not for Fresh Water/Closed Cooling Systems)
Includes 18-2833 gasket & 18-4008 block off plate

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Mallory Gasket , exh. Elbow 9-61407

Part # 9-61407
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Replaces GLM #:31520
Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):27-99777 2
Fits Application:120 1983-newer, 140/3.0L,470,165 (6cyl), GM V-8 1982-older, Ford V-8

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Mounting Kit, Riser - Elbow - Mallory

Mounting Kit, Riser - Elbow - Mallory
Sale Price: $22.99
Save: $3.50
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Part # 9-40579
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Part # 9-40579
Mounting Kit, Riser - Fits 9-40556 and 9-40558 risers
Not for fresh water/closed cooling systems
Includes 9-40540 stainless plate w/weep hole, gaskets and mounting hardware

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Gasket, Manifold End Cap - Mallory

Part # 9-61424
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Part # 9-61424
Gasket, End Plate
Included in 9-40570 mounting kit
OEM 27-48043

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Mounting Kit, End Cap - Mallory

Mounting Kit, End Cap - Mallory
Sale Price: $9.99
Save: $1.00
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Part # 9-40570
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Part # 9-40570
Mounting Kit
Fits 9-40301, 9-40302 and 9-40315
Includes 9-65300 gasket and mounting hardware

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Plate, Block Off - Mallory

Plate, Block Off - Mallory
Sale Price: $8.99
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(12% Off $10.29)
Part # 9-40540
Hurry! Only 1 left in stock
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Part # 9-40540
Stainless Plate, w/weep hole
Removes air trapped in the manifold
Fits 9-40556 and 9-40558 risers
Not for fresh water/closed cooling systems

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Mounting Kit, Riser - Elbow - Mallory

Mounting Kit, Riser - Elbow - Mallory
Sale Price: $10.99
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(6% Off $11.79)
Part # 9-40170
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Part # 9-40170
Fits: Mercury & Weber Carbs

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Mounting Kit, Riser - Elbow - Mallory

Mounting Kit, Riser - Elbow - Mallory
Sale Price: $10.99
Save: $1.00
(8% Off $11.99)
Part # 9-40580
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Part # 9-40580
Mounting Kit, Riser
Fits 9-40557 riser
Includes 9-61413 gasket and mounting hardware

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Mounting Kit, Manifold - Mallory

Mounting Kit, Manifold - Mallory
Sale Price: $14.99
Save: $2.50
(14% Off $17.49)
Part # 9-40573
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Part # 9-40573
Mounting Kit, Manifold
Fits 9-40507 manifold
Includes 9-61401 gasket and mounting hardware

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Plate, End - Mallory

Plate, End - Mallory
Sale Price: $30.99
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Part # 9-40541
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Part # 9-40541
Front Plate
w/Water fitting
Use 9-40570 mounting kit

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Exh Elbow Kit, 80 deg 3" - Mallory

Exh Elbow Kit, 80 deg 3" - Mallory
Sale Price: $64.99
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Part # 9-40120
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Part # 9-40120
80° x 3" I.D.

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Exh Elbow Kit, 45 deg 3" - Mallory

Exh Elbow Kit, 45 deg 3" - Mallory
Sale Price: $64.99 (Out of stock)
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Part # 9-40121
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Part # 9-40121
45° x 3" I.D.

 
Spacer, Manifold - Mallory

Spacer, Manifold - Mallory
Sale Price: $83.99
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Part # 9-40532
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Part # 9-40532
Spacer
3" Rear riser
Fits 9-40501 and 9-40502 manifolds and 9-40532 spacer with 9-40556 or 9-40558 risers
OEM 61851

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Riser, Elbow 3" - Mallory

Riser, Elbow 3" - Mallory
Sale Price: $145.99
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(14% Off $169.95)
Part # 9-40558
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Part # 9-40558
Riser - 3" Exhaust outlet
90° down angle
Use 9-40170 mounting kit
Most I/O applications
OEM 76351, 60426, 49964

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Riser, Elbow - Mallory

Riser, Elbow - Mallory
Sale Price: $209.99
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Part # 9-40556
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Part # 9-40556
Riser
3" Exhaust outlet
0° down angle
Use 9-40170 mounting kit
Most inboard applications
OEM 76771, 60427

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Manifold W/Mntng Pkg - Mallory

Manifold W/Mntng Pkg - Mallory
Sale Price: $325.99
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Part # 9-40504
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Part # 9-40504
Manifold, Starboard - Log style manifold fits 305 - 350 CID V-8 - Use 9-40573 mounting kit
Replaces OEM part #: 77235B, 77235A8

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Manifold W/Mntng Pkg - Mallory

Manifold W/Mntng Pkg - Mallory
Sale Price: $325.99
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Part # 9-40503
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Part # 9-40503
Manifold, Port - Log style manifold fits 305 - 350 CID V-8 - Use 9-40573 mounting kit
Replaces OEM part #: 77234B, 77234A7

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