Universal GM V8 Small Block Inboard Exhaust Manifold Exploded View

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Sierra
Universal GM V8 Small Block Inboard Exhaust Manifold Exploded View
Universal Inboard Exhaust Manifold Exploded View Diagram and Parts
Fits GM 305/350 CID V8 Small Block
Figure #DescriptionO.E.M. #Sierra #Application
1MOUNTING BOLTN/ANSSIncluded in 18-4364 & 18-8535 mounting kits.
2MANIFOLD ELBOWBARR 20-0100, MARINE POWER 0992-593 18-1939Use with Manifold: 18-1997-1; Riser Gasket: 18-2854 (open) or 18-0476 (blocked); Mounting Kit: 18-4364 (open) or 18-8535 (blocked)
3MANIFOLD ELBOWBARR 200-0082 18-1999Comes with 18-4364 (open) mounting package. If blocked mounting kit is required use 18-8535 mounting kit. Use with Manifolds: 18-1997-1; Riser Gasket: 18-2854 (open) or 18-0476 (blocked)
4MANIFOLD ELBOWBARR 20-0100, INDMAR 53-2009, INDMAR 53-2018 18-1907 or 18-1981Use with Manifold: 18-1997-1; Riser Gasket: 18-2854 (open) or18-0476 (blocked); Mounting Kit: 18-4364 (open) or 18-8535 (blocked)
5ELBOW GASKET (OPEN)BARR 01-0107 18-2854Used with Risers: 18-1939, 18-1999, 18-1907. Included in 18-4364 mounting kit.
6ELBOW GASKET (BLOCKED)BARR 01-0105 18-0476Used with Risers: 18-1939, 18-1999, 18-1907. Included in 18-8535 mounting kit.
7BLACKSTEEL PLUGN/A 18-4258Thread Size: 3/4". Use with Manifold Spacer: 18-1949.
8MANIFOLD SPACERN/A 18-1949Use with Manifold: 18-1997-1.
9MOUNTING KIT (OPEN GASKET)BARR 20-0082-P 18-4364Use with Risers: 18-1999, 18-1907, & 18-1939. Includes 18-2854 elbow gasket.
10MOUNTING KIT (BLOCKED GASKET)N/A 18-8535Use with Risers: 18-1939, 18-1999, 18-1907. Includes 18-0476 elbow gasket. (Use with a closed cooling system)
11EXHAUST MANIFOLD GASKET SETN/A 18-0604GM 305-350 CID Engines; Use with Manifold: 18-1997-1
12MOUNTING KITN/A 18-8536Use with Manifold: 18-1997-1. Includes 18-2949 mounting kit.
13MANIFOLDBARR CHV-1-83 18-1997-1 or 18-1964Ford Small Block (V8) 302-351 cu.in. Use with Manifold Gasket 18-2949. Mounting Kit: 18-8536.
14MANIFOLD GASKETBARR CHV-47-000 18-2949Use with Manifold: 18-1997-1. Included in 18-8536 mounting kit.
15MOUNTING BOLTN/ANSSIncluded in 18-8536 mounting kit.
16HOSE FITTINGN/A18-82153/4" - 14NPT X 3/4" Hose (Corrosion Resistant Brass Fitting)
17HOSE FITTINGN/A 18-44613/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting)
18HOSE FITTINGN/A18-82163/4" - 14NPT X 1" Hose (Corrosion Resistant Brass Fitting)
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Full StarFull StarFull StarEmpty StarEmpty Star1988 OMC cobra chev 350
by John from Bellevue, Washington on August 01, 2013
Used the gasket but... the exhaust hole is about 1/8 inch too large all the way around.. only covers about half of the exhaust flange all the way around...the four bolts that I received are too large and wont even fit in the holes in gasket.. the 3/4 inch pipe plug has no use at all since this is only for the fresh water cooling application...if you used this plug and this gasket you would burn up your exhaust.thanks john mcbride. if you can get the manufacture to correct this problem please advise and I will reorder the newer gaskets. or email me...
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Average Customer Review for Exhaust Manifold - 18-1997-1 - Sierra
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Full StarFull StarFull StarFull StarFull Starexhaust manifold
by Jimmie from Hampden, Maine on July 14, 2014
Went on well and the parts all fit.
(1 of 1 people found this review helpful)
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Full StarFull StarEmpty StarEmpty StarEmpty Starexhaust elbow from sierra exhaust manifold gasket set
by Jimmie from Hampden, Maine on July 14, 2014
Poor casting. The slots for the 2 bolts nearest the exhaust exit of the elbow were not cast big enough to get the box end of a wrench onto the bolt. Infact it was necessary to use the open end of the wrench at a very steep angle to get them tightened down. The seal took because the bolts at the back of the elbow were tightened last. This really needs to be addressed by the manufacture.
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Q:
Will this fit a GM 5.7 350 marine engine?
A:
We can only match it up by cross referencing the OEM numbers it works with. Those are: Barr # 20-0082 and Marine Power # 0992-000.
Q:
The Volvo OEM part?
A:
Replaces Volvo OEM #'s: 835966 & 856034.
Q:
PART T-20939 iS THE BOTTOM BLOCKED OR OPEN CAN IT BE USED ON A BLOCKED BOTTOM CAN i GET A PIC OF BOTTOM?
A:
It is open. We don't have a picture, but we can send you one by contacting us at the number at the top of the page.
Q:
What is the diameter 3 or 3 1/2?
A:
The diameter is 3-1/2 inches.
Q:
What are the bolt hole dimensions?
A:
Sierra does not have bolt hole dimensions unfortunately. It is only cross referenced by OEM number. OEM number for this package is 20-0082-P.
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Part # 18-1939 ValueShip™ Eligible
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Replaces OEM part #
  • BARR 20-0100
  • MARINE POWER 0992-593 Barr
For: Barr, Indmar and Marine Power Ford Small Block V8 302-351cu. in. GM Small Block V8 305-350cu. in., GM Big Block V8 454cu in

Use with:
  • Manifold: 18-1997-1, 18-1998-1 or 18-1898
  • Riser Gasket: 18-2854 open or 18-0476 blocked
  • Mounting kit: 18-4364 blocked or 18-8535 open

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Open
Replaces OEM part #
  • BARR 20-0082-P
Use with:
  • Riser 18-1999, 18-1939, 18-1907
Includes 18-2854 elbow gasket
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Blocked
Replaces OEM part #
  • BARR 01-0105
Fits:
  • Barr, Indmar & Marine Power Ford Small Block V8 302-351 cu.in.

Used with:
  • Riser: 18-1939
  • Riser: 18-1907
  • Manifold: 18-1898
  • Elbow: 18-1999
Included in 18-8535 mounting kit

Sierra part # 18-0476 riser block gaskets

The gaskets are constructed of a proven hi-temperature composite that does not contain asbestos materials. This gasket material has been designed to handle the high temperatures capable of exceeding 500 degrees Fahrenheit as well as harsh marine environments.

Each Sierra riser block-off gasket ensures the factory matched footprint of exhaust ports. The Typical thickness for these products can range up to 1/16". Be certain to thoroughly clean and remove the entire old gasket. When joining two non-machined surfaces, an exact match is not always possible. It is recommended that you use a thin layer of high-temperature silicone sealer on both sides of gasket prior to installation to create a more perfect reliable seal.
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For: GM 305/350 CID Engine
Use with:
    Manifold 18-1997-1
Applies for Indmar
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Replaces OEM part #
  • MERCURY MARINE 22-807155
3/4" - 14 NPT X 1" Hose
Corrosion Resistant Brass Fitting
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Pkg of 2
Replaces OEM part #
  • CRUSADER 96306
  • BARR CHV-47-000
  • VOLVO 835966-3
  • VOLVO 856034-4
  • MERCURY MARINE 27-33395
  • MERCURY MARINE 27-33395B

Use with:
  • 18-1931-1: Manifold
  • 18-1986-1: Manifold
  • 18-1997-1: Manifold
  • 18-1902: Manifold
  • 18-1903: Manifold
  • 18-1904: Manifold
  • 18-1914: Manifold
  • 18-1925: Manifold
  • 18-1926: Manifold
  • 18-1950-1: Manifold
  • 18-1951-1: Manifold
  • 18-1953-2: Manifold
For:
  • AQ200, 225, 260, 271, 290, 311, V-8

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Part # 18-1964
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    Application: GM Small Block (V8) 305-350 cu. in. Use Manifold Gasket 18-2949. Mounting Kit: 18-8536.

    OEM: CHV-1-83

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Blocked
Replaces OEM part #
  • BARR 20-0082
  • BARR 20-0100
For:
  • Barr, Indmar and Marine Power Ford Small Block V8 302-351 cu. in., GM Small Block V8 305-350 cu. in., GM Big Block V8 454 cu. in.

Use with:
    Risers: 18-1939, 18-1999, and 18-1907
    Includes 18-0476 elbow gasket. (Use with a closed cooling system)
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For: Barr, Indmar and Marine Power Ford Small Block V8 302-351cu.in., GM Small Block V8 305-350cu.in., GM Big Block V8 454cu.in.

Used with:
  • Manifold: 18-1998-1, 18-1997-1 and 18-1898
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Replaces OEM part #
  • BARR 20-0102
  • INDMAR 53-2018
  • INDMAR 53-2009
For: Barr, Indmar Ford Small Block V8 302-351cu. in
Use with:
    Manifold: 18-1997-1, 18-1998-1
    Riser Gasket: 18-2854 open or 18-0476 blocked
    Mounting Kit: 18-4364 open or 18-8535 blocked

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Replaces OEM part #
  • INDMAR 53-1027
  • MARINE POWER 0994-000
  • BARR CHV-1-83
For:
  • Barr, Indmar and Marine Power GM Small Block V8 305-350 cu. in.
Used with:

  • Manifold: 18-1997-1
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Part # 18-1997-1
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Universal Center Riser Manifold
Port or Starboard
Fits:
  • GM 283, 305, 307, and 350 CID engines
  • Chriscraft 283, 302, 307 and 350 CID engines
  • Crusader 283 and 327 CID engines thru 1964; 305, 307 and 350 CID engines 1965 and later
  • Daytona 200-283 and 300-327
  • Flagship 283, 327 and 350 CID engines
  • Pacer 305, 307 and 350 CID engines 1965 and later
  • Mercury 190, 198, 225, 250, 270, 228, 898, 260, 255 and 280 models
  • OMC 283, 305, 307 and 350 CID engines 1968-1980
  • Volvo 307 and 350 CID engines
Use 18-0604 Exhaust Manifold Gasket Set

Replaces OEM part #
  • BARR CHV-1-83
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Replaces OEM part #
  • BARR 200-0082
Use with:
  • Manifold: 18-1997-1 or 18-1998-1 or 18-1898
  • Riser Gasket: 18-2854 open, or 18-0476 blocked
  • Mounting Kit: 18-4364 open, or 18-8535
Comes with 18-4364 open Mounting Package
If blocked mounting kit is required, use 18-8535
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Pkg of 2
Replaces OEM part #
  • BARR 01-0107

Use with:
  • Risers: 18-1999, 18-1939, 18-1907
Included in 18-4364 mounting kit
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Thread Size 3/4"
Blacksteel Plug
18-9004 - Pipe Sealant with Teflon is recommended for use on plug threads
Use with Manifold Spacer: 18-1949

Replaces OEM part #
  • MERCURY MARINE 22-41622
  • MERCURY MARINE 22-33198A1
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Barr and Indmar Riser, 3" Outlet, 30° down angle.


Replaces OEM #:

  • Barr 20-0102
  • Indmar 53-2009 and 53-2018

Engine Type:
Ford Small Block V8 302-351 cu.inGM Small Block V8 305-350 cu.in.


Engine Model:
Universal fit

(Out Of Stock)
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Barr and Marine Power Riser, 4" Outlet, 10° down angle.


Replaces:

  • Barr # 20-0100
  • Marine Power # 0992-593

Engine Type:
Ford Small Block V8 302-351 cu.inGM Small Block V8 305-350 cu.in.GM Big Block V8 454 cu.in.


Engine Model:
Universal fit

Limited Sale Price: $107.19
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Riser, 3" exhaust outlet, 15° down angle.


Replaces OEM #:

  • Mercruiser 98503
  • Mercruiser 98504

For early model inboard/outboards.


Engine Type:
GM V6 229 and 262 cu.in.GM Small Block V8 305-350 cu.in.GM Big Block V8 454 cu.in.


Engine Model:
185 and 205200, 228, 230, 260 and 898330, 340 and 7.4L

Limited Sale Price: $179.59 (Out of stock)
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Part # T-20998
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Barr and Indmar Manifold


Replaces OEM #:

  • Barr FM-1-83
  • Indmar 53-2008

Engine Type:
Ford Small Block V8 302-351 cu.in


Engine Model:
Universal fit

(Out Of Stock)
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Replaces:
  • Barr # 20-0082
  • Marine Power # 0992-000