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Home > Inboard Parts > Mercruiser Inboards > Exhaust System for Mercruiser Inboards > Gaskets, Mount Kits, etc. for Mercruiser Inboards


Gaskets, Mount Kits, etc. for Mercruiser Inboards



Block-Off Plate, Stainless Steel
Part Number: BAR1-0104
Weight: 0.12
Price: $9.95
Quantity in Basket: none
THIS IS A STAINLESS STEEL PLATE USED ON "BARR STYLE" CENTER RISER MANIFOLDS. IT IS SANDWICHED BETWEEN 2 GASKETS TO SEPERATE AND BLOCK THE COOLANT IN THE MANIFOLD FROM FROM GOING OUT OF THE RISER ON FRESH WATER(CLOSED SYSTEM) COOLED APPLICATIONS.
Fits OSCFL994, OSC994 and BARCHVA-1-84 Manifolds
 
 



Block-Off Plate, Stainless Steel, Mercruiser
Part Number: BARMC-20-55730
Weight: 0.1
Price: $9.95
Quantity in Basket: none
This is a stainless steel block off plate that was used on the older Mercruiser V-8 engines with log style manifolds and fresh water cooling. It is sandwiched between 2 riser gaskets and placed between the manifold and riser to block the coolant from escaping out of the riser.
 
 



Plate, Stainless Steel, Mercruiser, Center Riser
Part Number: BARMC-20-87918
Weight: 0.1
Price: $10.95
Quantity in Basket: none
Direct replacement stainless fresh water-cooling block-off plate for use with Mercruiser Models 898R, 228R and 260R
Fits OSC9745, OSC7114B, OSC9011 center riser manifolds with fresh water cooling
 
 



Plate, Block-Off, Stainless, V-Hole, Mercruiser
Part Number: BARMC-20-99208
Weight: 0.1
Price: $9.95
Quantity in Basket: none
Direct replacement stainless block-off plate with bleeder "vent" holes for use with Mercruisers with fresh water cooling
Fits OSC4354 and OSC8503A Risers
 
 



Drain, Elbow, 90°, Brass
Part Number: BARMC-50-806926
Weight: 0.52
Price: $11.95
Quantity in Basket: none
This is a 90 degree brass elbow generally used as a drain on most center-rise manifolds. It has a 3/4" N.P.T. thread with a 1.0" hose end.
 
 



Conversion Kit, Exhaust, GM 262 4.3L V6, Mercruiser
Part Number: BPIMANCONVKIT
Weight: 25
Price: $499.00
Quantity in Basket: none
Kit to Convert 1-piece manifold/riser to accept a 2-piece manifold/riser setup without changing the Y-Pipe. Includes 2 MER14478T01 Exhaust Elbows (or equivalent)
Fits Mercruiser V6
NOTE: This kit DOES NOT include the manifolds required for conversion.
 
 



Anode Kit, Mercruiser Exhaust
Part Number: GLM12691
Weight: 0.2
Price: $7.49
Quantity in Basket: none
Exhaust Manifold Anode Kit for Mercruiser (GLM12692 + GLM21895)
1-9/32
3/4 NPT 14 Teeth
 
 



Anode, Mercruiser Exhaust
Part Number: GLM12692
Weight: 0.2
Price: $3.19
Quantity in Basket: none
Exhaust Manifold Anode for Mercruiser
 
 



Drain Plug Assembly, Mercruiser Center Rise Manifolds
Part Number: GLM13992
Weight: 0.01
Price: $2.49
Quantity in Basket: none
Drain Plug Assembly for use in Mercruiser center rise manifolds
OEM: 22-806608A1
 
 



Riser Gasket, Barr Log Style Manifold
Part Number: GLM31480
Weight: 1
Price: $1.99
Quantity in Basket: none
Riser Gasket fits BARMC20-72963 & BARMC20-76668 risers
 
 



Manifold Gasket, Mercruiser 3.7L
Part Number: GLM31710
Weight: 0.05
Price: $7.69
Quantity in Basket: none
This is an Exhaust Manifold Gasket for a 3.7L (224 C.I.D.) Mercruiser. This item replaces Merc. # 27-68715.
 
 



Manifold Mounting Kit, Mercruiser V6
Part Number: GLM32175
Weight: 0.72
Price: $6.79
Quantity in Basket: none
Manifold Mounting Kit for Mercruiser 4.3L V6 includes 1 manifold gasket, 6 mounting bolts
 
 



Exhaust Manifold Gasket, GM 2.5, 3.0L middle years
Part Number: GLM33570
Weight: 0.1
Price: $8.39
Quantity in Basket: none
This is an Exhaust Manifold Gasket for GM 2.5/3.0L 153/181 cid Inline 4 Cylinder. This item replaces Merc. # 27-96429, & OMC # 912164.
 
 



Exhaust Manifold Mounting Gasket, Mercruiser GM 3.0LX
Part Number: GLM33580_
Weight: 0.1
Price: $5.95
Quantity in Basket: none
Exhaust Mounting Gasket 181 "LX" Engines
OEM: 27-815528
 
 



Exhaust Manifold Gasket Set, Mercruiser GM Big Block V8
Part Number: GLM39120
Weight: 1
Price: $23.29
Quantity in Basket: none
Complete exhaust gasket set for GM 7.4L 454 cid Big Block V8 with log style manifolds
OEM: 27-46820A1
 
 



Exhaust Manifold Gasket Set, Mercruiser GM Inline 6 Cylinder (8759 Manifold)
Part Number: GLM39270
Weight: 1
Price: $18.49

Quantity in Basket: none
Exhaust Manifold Gasket Set for Mercruiser GM 4.1L 250 cid 165 hp inline 6 cyl. Fits OSC8759 manifolds.
OEM: 27-46401A1
 
 



Exhaust Manifold Gasket Set, Mercruiser GM Small Block V8
Part Number: GLM39280
Weight: 1
Price: $20.39
Quantity in Basket: none
Complete exhaust gasket set for Mercruiser GM 5.0/5.7L Small Block V8
OEM: 27-33395A2
 
 



Exhaust Manifold Gasket Set, Mercrusier GM 2.5L 153 4 Cylinder
Part Number: GLM39290
Weight: 1
Price: $15.39
Quantity in Basket: none
Exhaust Manifold Gasket Set for Mercruiser GM 2.5L 153 cid 4 cyl.
OEM: 27-35898A-4
 
 



Exhaust Manifold Gasket Set, Mercruiser GM 3.0L 4 Cylinder Late
Part Number: GLM39300
Weight: 1
Price: $11.69
Quantity in Basket: none
Exhaust Manifold Gasket Set for late model Mercruiser GM 3.0L 181 cid 4 cyl. with MERCARB Carburetor
OEM: 27-53354A1
 
 



Exhaust Manifold Gasket Set, Mercruiser Ford Small Block V8 Log Style
Part Number: GLM39310
Weight: 1
Price: $14.69
Quantity in Basket: none
Exhaust Manifold Gasket Set for Mercruiser Ford 5.0/5.8L 302/351 cid with log style manifolds
OEM: 27-54566A1
 
 



Exhaust Manifold Gasket Set, Mercruiser 2.5L, 3.0L
Part Number: GLM39320
Weight: 1
Price: $11.59
Quantity in Basket: none
Exhaust Manifold Gasket Set for Mercruiser GM 2.5/3.0L 153/181 cid
OEM: 27-99777A1
 
 



Exhaust Manifold Gasket Set, Mercruiser GM 4.3L V6 83-01
Part Number: GLM39870
Weight: 1
Price: $9.19
Quantity in Basket: none
This is a Manifold and Riser Gasket Set (2 manifold gaskets /2 riser gaskets) for Mercruiser GM 4.3L 262 cid 175, 185 and 205 HP 1983-2001.
 
 



Exhaust Manifold Gasket Set, Mercruiser GM Small Block V8 83-01
Part Number: GLM39880
Weight: 1
Price: $8.19
Quantity in Basket: none
Manifold and Riser Gaskets (2 manifold/2 riser gaskets) for Mercruiser GM 5.0/5.7L Small Block V8 1983-2001
 
 



Exhaust Manifold Gasket Set, Mercruiser GM Big Block V8 83-Up
Part Number: GLM39890
Weight: 1
Price: $20.19
Quantity in Basket: none
Manifold and Riser Gaskets (2 manifold/2 riser gaskets) for Mercruiser GM 7.4/8.2L 454/502 cid GM Big Block V8 1983-up
 
 



Riser Mounting Kit, Mercruiser, 6371 Style
Part Number: GLM53100
Weight: 0.3
Price: $5.69
Quantity in Basket: none
Riser Mounting Kit for Mercruiser. Fits 76351A2 (GLM51120, OSC6351) and 76771A2 (GLM51120, OSC6771) Risers
 
 



Riser Mounting Kit, Mercruiser, GLM51130 Riser
Part Number: GLM53110
Weight: 0.4
Price: $7.29
Quantity in Basket: none
Mounting Kit for GLM51130 Riser on Mercruiser
 
 



Riser Mounting Kit, Mercruiser, 8561 Style
Part Number: GLM53120
Weight: 0.32
Price: $10.09
Quantity in Basket: none
Riser Mounting Kit for Mercruiser with Aluminum Manifolds. (8561 Style)
 
 



Riser Mounting Kit, Mercruiser, Cast Iron Manifolds
Part Number: GLM53130
Weight: 0.36
Price: $8.09
Quantity in Basket: none
Riser Mounting Kit for Risers on Mercruiser with Cast Iron Manifolds
 
 



Riser Mounting Kit, Mercruiser, 3" Riser Without Spacer
Part Number: GLM53300
Weight: 0.3
Price: $8.99
Quantity in Basket: none
Mounting Kit for 3" Riser on Mercruiser without Spacer, Raw Water Cooled
 
 



Riser Mounting Kit, Mercruiser, 3" Riser, 3" Spacer
Part Number: GLM53330
Weight: 0.82
Price: $13.49
Quantity in Basket: none
Riser Mounting Kit fits Mercruiser with 3" Riser and 3" Spacer, Raw Water Cooled
 
 



Riser Mounting Kit, Mercruiser, 3" Riser, 6" Spacer
Part Number: GLM53360
Weight: 0.58
Price: $13.49
Quantity in Basket: none
Riser Mounting Kit for Mercruiser with 3" Riser and 6" Spacer
 
 



Riser Mounting Kit, Mercruiser 4" (4354 Style)
Part Number: GLM53400
Weight: 0.9
Price: $9.99
Quantity in Basket: none
This Is A Riser Mounting Kit For A Mercruiser V-6 or V-8 With 4 Inch Center Risers. Mercruiser Started Using 4 Inch Center Risers during 1986, Which Was A Transition Year to go From 3 Inch To 4 Inch. After 1986, they Are All 4 Inch. This Fits Center Riser Manifolds That Use an Osco Riser 4354, Or A GLM Riser 51140.
 
 



Manifold, Riser Mounting Kit, GM 305 5.0L, 350 5.7L V8, Barr, Indmar, Marine Power
Part Number: GLM53781
Weight: 1.06
Price: $18.49
Quantity in Basket: none
Barr Style Exhaust Mounting Kit includes 2 Manifold Gaskets, 2 Riser Gaskets and hardware. Fits Small Block GM V8 with Barr Style Manifolds
 
 



Manifold, Riser Mounting Kit, GM 454 7.4L, 502 8.2L V8, Barr, Indmar, Marine Power
Part Number: GLM53782
Weight: 1.22
Price: $29.39
Quantity in Basket: none
This is a Barr Style Exhaust Mounting Kit. It includes 2 Manifold Gaskets, 2 Riser Gaskets and hardware. This kit Fits Big Block GM V8 with Barr Style Manifolds.
 
 



Manifold, Riser Mounting Kit, Barr Style, Ford V8
Part Number: GLM53783
Weight: 1.08
Price: $19.69
Quantity in Basket: none
Barr Style Exhaust Mounting Kit includes 2 Manifold Gaskets, 2 Riser Gaskets and hardware. Fits Ford V8 with Barr Style Manifolds
 
 



Water Shutter 3", Mercruiser
Part Number: GLM89160
Weight: 0.05
Price: $16.59

Quantity in Basket: none
3" Water Shutter for Mercruiser, with Swivel design. Sold Each
OEM: 99370A2
 
 



Protector Valve, Exhaust, 3" Mercruiser
Part Number: GLM89240
Weight: 0.25
Price: $19.79
Quantity in Basket: none
This is a Flapper for Thru-Hull 3" Exhaust on Mercruisers
OEM: 34765A1
 
 



Flapper Valve, Mercruiser 5-6"
Part Number: GLM89260
Weight: 0.5
Price: $35.39
Quantity in Basket: none
Exhaust Flapper Valves with Clamps
Fits Mercruiser with 5" and 6" Flapper valves
 
 



Drain Assembly, Mercruiser Manifolds
Part Number: MAL9-41200
Weight: 0.5
Price: $5.95
Quantity in Basket: none
Drain Assembly
Replaces: Mercruiser 22-806926A1
Fits: MCM & MIE V-6 & V-8 with center riser manifolds
 
 



Drain Cock, Manifolds, Blocks
Part Number: MAL9-41201
Weight: 0.02
Price: $6.95
Quantity in Basket: none
This is a Brass Drain Cock. It will fit Manifolds & Blocks with 1/4" NPT threads. This item replaces OMC # 379957 & Others.
 
 



Water Shutter, Mercruiser 4 Cylinder-Small Block V8
Part Number: MAL9-42800
Weight: 0.12
Price: $19.95
Quantity in Basket: none
Water Shutter, Exhaust fits Fits: Mercruiser 4 cyl - V8 SB
Replaces: Mercruiser 60930
 
 



Water Shutter, Exhaust, Mercruiser
Part Number: MAL9-42801
Weight: 0.11
Price: $14.95
Quantity in Basket: none
This is a Water Shutter used in the Y-Pipe on a Mercruiser Sterndrive. It will fit V-6 & V-8 Engines from 1982-87 with a 3 inch Exhaust Y-Pipe. This item replaces: Mercruiser # 99370A2.
 
 



Water Shutter, Exhaust, Mercruiser
Part Number: MAL9-42802
Weight: 0.26
Price: $20.95
Quantity in Basket: none
This is an Exhaust Water Shutter for a Mercruiser Sterndrive. It is used in the 4.0" Exhaust Y-Pipe 1987 & Up. These Water Shutters are sold as Each. This item replaces Mercruiser 807166A3 & 14348T.
 
 



Exhaust Manifold Gasket Set, Mercruiser Inline 6
Part Number: MAL9-61404
Weight: 0.56
Price: $19.95
Quantity in Basket: none
Gasket Set, Exhaust Manifold
Replaces: Mercruiser 27-46401A1
For: 165 hp 250 cid in-line 6cyl.
 
 



Gasket Set, Manifold, Mercruiser GM 181 CID 3.0L Late MerCarb
Part Number: MAL9-61405
Weight: 0.35
Price: $12.95
Quantity in Basket: none
Gasket Set, Exhaust Manifold
Replaces: Mercruiser 27-53354A1
For: Late Model 140 hp 3.0L with MerCarb s/n 3332137 - 6229717
 
 



Gasket Set, Manifold, Mercruiser GM 153, 181 CID 2.5, 3.0L
Part Number: MAL9-61406
Weight: 0.3
Price: $12.95
Quantity in Basket: none
Gasket Set, Exhaust Manifold
Replaces: Mercruiser 27-99777A1
For: 2.5 & 3.0L engines s/n 6229718 & up
 
 



Riser Gasket, Mercruiser
Part Number: MAL9-61407
Weight: 4.38
Price: $2.95
Quantity in Basket: none
Gasket, Exhaust Elbow
Replaces: Mercruiser 27-99777 2
For: 120 1983-newer, 140/3.0L, 470,165 (6cyl), GM V-8 1982-older, Ford V-8
(6351-G Style)
 
 



Gasket, Manifold, Mercruiser GM 153, 181 CID 2.5, 3.0L 1983-95
Part Number: MAL9-61419
Weight: 0.3
Price: $9.95
Quantity in Basket: none
Gasket, Exhaust Manifold
Replaces: Mercruiser 27-96429; OMC 912164
For: 2.5L & 3.0L 1983-95
 
 



Riser Bolt for 4354 Riser, Mercruiser
Part Number: MER10-43749
Weight: 0.21
Price: $3.95
Quantity in Basket: none
Riser Bolt 5-3/4" for 4354 Risers
 
 



Screw, Riser, 6.75", Mercruiser
Part Number: MER10-44387
Weight: 0.23
Price: $3.95
Quantity in Basket: none
Riser Bolts 6-3/4"
 
 



Riser Bolt, Stainless Steel for V8 Riser, Mercruiser
Part Number: MER10-865982005
Weight: 0.06
Price: $1.25
Quantity in Basket: none
For mounting risers in some Mercruiser V8s
 
 



Grommet-Exhaust Flapper Pin, Mercruiser
Part Number: MER25-43809
Weight: 0.01
Price: $0.95
Quantity in Basket: none
Grommet for Water Shutter (Flapper Valve) on Mercruiser

Note: 2 Required Per Side
 
 



Gasket, Elbow-Riser, Mercruiser Dry-Joint, Fresh Water Cooled 02-up
Part Number: MER27-864549A02
Weight: 0.3
Price: $31.95
Quantity in Basket: none
This is a riser/elbow gasket Mercruiser Dry-Joint Exhaust with closed cooling - block-off gasket
It fits GM V6 and V8 engines with Dry-Joint Exhaust Manifold (2002 and newer)
Replaces OEM: 27-864549A02
 
 



Gasket, Elbow-Riser, Mercruiser, Dry-Joint Raw Water Cooled 02-up
Part Number: MER27-864850A02
Weight: 0.3
Price: $31.95
Quantity in Basket: none
This is a riser/elbow gasket Mercruiser Dry-Joint Exhaust with standard cooling - restrictor gasket
It fits GM V6 and V8 engines with Dry-Joint Exhaust Manifold (2002 and newer)
Replaces OEM: 27-864850A02
 
 



Exhaust Shutters, Mercruiser Inline 4, 6 and 3.7L
Part Number: MER45586
Weight: 0.09
Price: $26.95
Quantity in Basket: none
Water Shutter for Exhaust on Mercruiser Inline Engines