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Gaskets, Mount Kits, etc. for Mercruiser
| Code / Price | Name / Description |
| BAR1-0104 $10.20 Quantity in Basket: none |
Block Off Plate, Stainless Steel
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 
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| BAR1-0104P $14.95 Quantity in Basket: none |
Fresh Water Cooling Package, Barr Marine Center Riser
This Package includes a Stainless Steel plate and two Riser Gaskets used on "Barr style" center riser manifolds. The Block off Plate is sandwiched between the two riser gaskets to separate 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
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| BARMC-20-55730 $11.90 Quantity in Basket: none |
Block Off Plate, Stainless Steel, Mercruiser
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. |
| BARMC-20-87918 $10.95 Quantity in Basket: none |
Block Off Plate, Stainless Steel, Mercruiser, Center Riser
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 NOTE: This item WILL NOT FIT Dry Joint Exhaust Systems.
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| BARMC-20-99208 $9.78 Quantity in Basket: none |
Plate, Block Off, Stainless, V-Hole, Mercruiser
Direct replacement stainless block off plate with bleeder "vent" holes for use with Mercruisers with fresh water cooling Fits OSC4354 and OSC8503A Risers
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| BARMC-50-806926 $14.02 Quantity in Basket: none |
Drain, Elbow, 90°, Brass
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. |
| BPI89170 $39.95 Quantity in Basket: none |
Water Shutter, 4 inch, Mercruiser
4" Water Shutter for a Mercruiser It goes into the "Y" Pipe on most V-6 & V-8 engines to help prevent water from backing into the manifold and engine swivel design and is sold in pairs If your flapper currently has round grommets that hold it in, and a 4 inch Y-Pipe, then this is the correct flapper If your current flapper is held in with square grommets, then you need MER807166A1 replaces Mercruiser OEM # 807166A3 |
| BPIMANCONVKIT $529.00 Quantity in Basket: none |
Conversion Kit, Exhaust, GM 262 4.3L V6, Mercruiser
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.
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| GLM12691 $7.49 Quantity in Basket: none |
Anode Kit, Mercruiser Exhaust
Exhaust Manifold Anode Kit for Mercruiser (GLM12692 + GLM21895) 1-9/32 3/4 NPT 14 Teeth |
| GLM12692 $3.19 Quantity in Basket: none |
Anode, Mercruiser Exhaust
Exhaust Manifold Anode for Mercruiser |
| GLM13992 $2.49 Quantity in Basket: none |
Drain Plug Assembly, Mercruiser Center Rise Manifolds
Drain Plug Assembly for use in Mercruiser center rise manifolds OEM: 22-806608A1 |
| GLM31480 $1.99 Quantity in Basket: none |
Riser Gasket, Barr Log Style Manifold
Riser Gasket fits BARMC20-72963 & BARMC20-76668 risers
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| GLM31710 $7.95 Quantity in Basket: none |
Manifold Gasket, Mercruiser 3.7L
Exhaust Manifold Gasket for a 3.7L (224 C.I.D.) Mercruiser. This item replaces Merc. # 27-68715. |
| GLM32175 $6.79 Quantity in Basket: none |
Manifold Mounting Kit, Mercruiser V6
Manifold Mounting Kit for Mercruiser 4.3L V6 includes 1 manifold gasket, 6 mounting bolts |
| GLM33570 $9.95 Quantity in Basket: none |
Exhaust Manifold Gasket, GM 2.5, 3.0L middle years
Exhaust Manifold Gasket for GM 2.5/3.0L 153/181 cid Inline 4 Cylinder. This item replaces Merc. # 27-96429, & OMC # 912164. |
| GLM33580_ $9.19 Quantity in Basket: none |
Exhaust Manifold Mounting Gasket, Mercruiser GM 3.0LX
Exhaust Mounting Gasket 181 "LX" Engines OEM: 27-815528 |
| GLM39120 $23.29 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser GM Big Block V8
Complete exhaust gasket set for GM 7.4L 454 cid Big Block V8 with log style manifolds OEM: 27-46820A1 |
| GLM39280 $22.95 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser GM Small Block V8
Complete exhaust gasket set for Mercruiser GM 5.0/5.7L Small Block V8 OEM: 27-33395A2 |
| GLM39290 $15.95 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser GM 2.5L 153 4 Cylinder
Exhaust Manifold Gasket Set for Mercruiser GM 2.5L 153 cid 4 cyl. OEM: 27-35898A-4 |
| GLM39300 $12.95 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser GM 3.0L 4 Cylinder Late
Exhaust Manifold Gasket Set for late model Mercruiser GM 3.0L 181 cid 4 cyl. with MERCARB Carburetor OEM: 27-53354A1 |
| GLM39310 $14.69 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser Ford Small Block V8 Log Style
Exhaust Manifold Gasket Set for Mercruiser Ford 5.0/5.8L 302/351 cid with log style manifolds OEM: 27-54566A1 |
| GLM39320 $11.95 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser 2.5L, 3.0L
Exhaust Manifold Gasket Set for Mercruiser GM 2.5/3.0L 153/181 cid OEM: 27-99777A1 |
| GLM39870 $9.19 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser GM 4.3L V6 83-01
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. |
| GLM39880 $20.00 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser GM Small Block V8 83-01
Manifold and Riser Gaskets (2 manifold/2 riser gaskets) for Mercruiser GM 5.0/5.7L Small Block V8 1983-2001 |
| GLM39890 $20.19 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser GM Big Block V8 83-Up
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 |
| GLM53100 $5.69 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser, 6371 Style
Riser Mounting Kit for Mercruiser. Fits 76351A2 (GLM51120, OSC6351) and 76771A2 (GLM51120, OSC6771) Risers
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| GLM53110 $7.29 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser, GLM51130 Riser
Mounting Kit for GLM51130 Riser on Mercruiser |
| GLM53120 $10.09 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser, 8561 Style
Riser Mounting Kit for Mercruiser with Aluminum Manifolds. (8561 Style) |
| GLM53130 $8.09 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser, Cast Iron Manifolds
Riser Mounting Kit for Risers on Mercruiser with Cast Iron Manifolds |
| GLM53300 $8.99 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser, 3" Riser Without Spacer
Mounting Kit for 3" Riser on Mercruiser without Spacer, Raw Water Cooled |
| GLM53330 $13.49 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser, 3" Riser, 3" Spacer
Riser Mounting Kit fits Mercruiser with 3" Riser and 3" Spacer, Raw Water Cooled |
| GLM53360 $13.49 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser, 3" Riser, 6" Spacer
Riser Mounting Kit for Mercruiser with 3" Riser and 6" Spacer |
| GLM53400 $9.99 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser 4" (4354 Style)
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.
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| GLM53430 $15.19 Quantity in Basket: none |
Mounting Kit, Elbow, Mercruiser 4 inch riser with 3 inch spacer
Elbow Mounting Kit for Raw Water Cooled Mercruiser with 4 inch Risers and 3 inch spacers. |
| GLM53781 $18.49 Quantity in Basket: none |
Manifold, Riser Mounting Kit, GM 305 5.0L, 350 5.7L V8, Barr, Indmar, Marine Power
Barr Style Exhaust Mounting Kit includes 2 Manifold Gaskets, 2 Riser Gaskets and hardware. Fits Small Block GM V8 with Barr Style Manifolds |
| GLM53782 $29.39 Quantity in Basket: none |
Manifold, Riser Mounting Kit, GM 454 7.4L, 502 8.2L V8, Barr, Indmar, Marine Power
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. |
| GLM53783 $19.69 Quantity in Basket: none |
Manifold, Riser Mounting Kit, Barr Style, Ford V8
Barr Style Exhaust Mounting Kit includes 2 Manifold Gaskets, 2 Riser Gaskets and hardware. Fits Ford V8 with Barr Style Manifolds |
| GLM89160 $17.95 This part has been superseded by MAL9-42801. Quantity in Basket: none |
Water Shutter 3", Mercruiser
3" Water Shutter for Mercruiser, with Swivel design. Sold Each OEM: 99370A2 |
| GLM89240 $19.95 Quantity in Basket: none |
Protector Valve, Exhaust, 3" Mercruiser
Flapper for Thru-Hull 3" Exhaust on Mercruisers OEM: 34765A1 |
| GLM89260 $35.95 Quantity in Basket: none |
Flapper Valve, Mercruiser 5-6"
Exhaust Flapper Valves with Clamps Fits Mercruiser with 5" and 6" Flapper valves |
| MAL9-41200 $7.95 Quantity in Basket: none |
Drain Assembly, Mercruiser Manifolds
Drain Assembly Replaces: Mercruiser 22-806926A1 Fits: MCM & MIE V-6 & V-8 with center riser manifolds |
| MAL9-41201 $6.95 Quantity in Basket: none |
Drain Cock, Manifolds, Blocks
Brass Drain Cock. It will fit Manifolds & Blocks with 1/4" NPT threads. This item replaces OMC # 379957 & Others. |
| MAL9-42800 $18.95 Quantity in Basket: none |
Water Shutter, Mercruiser 4 Cylinder-Small Block V8
Water Shutter, Exhaust fits Fits: Mercruiser 4 cyl - V8 SB Replaces: Mercruiser 60930 |
| MAL9-42801 $14.95 Quantity in Basket: none |
Water Shutter, Exhaust, Mercruiser
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. |
| MAL9-42802 $21.95 Quantity in Basket: none |
Water Shutter, Exhaust, Mercruiser
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 If your flapper currently has round grommets that hold it in, and a 4 inch Y-Pipe, then this is the correct flapper If your current flapper is held in with square grommets, then you need MER807166A1 This item replaces Mercruiser 807166A3 & 14348T. |
| MAL9-61400 $10.95 Quantity in Basket: none |
Gasket, Manifold, GM 7.4-8.2L 454-502 cid CW-GH
Manifold Gasket for GM 7.4/8.2L 454/502 cid Replaces: Mercruiser 27-46820, OMC 909613, Crusader 96653, Barr CHVA-47-0000 |
| MAL9-61401 $5.95 Quantity in Basket: none |
Gasket, Manifold GM 305 5.0L, 350 5.7L V8, 4-Bolt Holes CV-GH
Exhaust Manifold Gasket Replaces: Mercruiser 27-33395 Fits GM 305 5.0L, 350 5.7L V8 with 4 bolt holes |
| MAL9-61402 $22.95 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser GM SB V8
Exahust Manifold Gasket Set Replaces: Mercruiser 27-33395A 2 For: GM 305, 327, 350 cid w/end outlet exhaust Manifold |
| MAL9-61404 $21.95 Quantity in Basket: none |
Exhaust Manifold Gasket Set, Mercruiser Inline 6
Gasket Set, Exhaust Manifold Replaces: Mercruiser 27-46401A1 For: 165 hp 250 cid in-line 6cyl. |
| MAL9-61405 $12.95 Quantity in Basket: none |
Gasket Set, Manifold, Mercruiser GM 181 CID 3.0L Late MerCarb
Gasket Set, Exhaust Manifold Replaces: Mercruiser 27-53354A1 For: Late Model 140 hp 3.0L with MerCarb s/n 3332137 - 6229717 |
| MAL9-61406 $12.95 Quantity in Basket: none |
Gasket Set, Manifold, Mercruiser GM 153, 181 CID 2.5, 3.0L
Gasket Set, Exhaust Manifold Replaces: Mercruiser 27-99777A1 For: 2.5 & 3.0L engines s/n 6229718 & up |
| MAL9-61407 $4.00 Quantity in Basket: none |
Riser Gasket, Mercruiser
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) |
| MAL9-61419 $9.95 Quantity in Basket: none |
Gasket, Manifold, Mercruiser GM 153, 181 CID 2.5, 3.0L 1983-95
Gasket, Exhaust Manifold Replaces: Mercruiser 27-96429; OMC 912164 For: 2.5L & 3.0L 1983-95 |
| MAL9-61420 $6.95 Quantity in Basket: none |
Gasket, Exhaust Manifold, Ford SB V8 FL-GH
Exhaust Manifold Gasket Replaces: Mercruiser 27-73866; OMC 908717; Volvo 3852455; PCM For: Ford, 302/351 cid V-8 |
| MER10-43749 $3.95 Quantity in Basket: none |
Riser Bolt for 4354 Riser, Mercruiser
Riser Bolt 5-3/4" for 4354 Risers |
| MER10-44387 $3.95 Quantity in Basket: none |
Screw, Riser, 6.75", Mercruiser
Riser Bolts 6-3/4" |
| MER10-865982005 $1.25 Quantity in Basket: none |
Riser Bolt, Stainless Steel for V8 Riser, Mercruiser
For mounting risers in some Mercruiser V8s |
| MER25-43809 $0.95 Quantity in Basket: none |
Grommet-Exhaust Flapper Pin, Mercruiser
Grommet for Water Shutter (Flapper Valve) on Mercruiser Note: 2 Required Per Side |
| MER27-864549A02 $31.95 Quantity in Basket: none |
Gasket, Elbow-Riser, Mercruiser Dry-Joint, Fresh Water Cooled 02-up
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 |
| MER27-864850A02 $31.95 Quantity in Basket: none |
Gasket, Elbow-Riser, Mercruiser, Dry-Joint Raw Water Cooled 02-up
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 |
| MER45586 $31.95 Quantity in Basket: none |
Exhaust Shutters, Mercruiser Inline 4, 6 and 3.7L
Water Shutter for Exhaust on Mercruiser Inline Engines |
| MER60930 $21.95 Quantity in Basket: none |
Water Shutter, 3" Butterfly Design, Mercruiser 73-up
3" Flapper (Water Shutter), Butterfly Design for various Mercruiser 1973 and newer |
| MER60931 $10.95 Quantity in Basket: none |
Retainer, Water Shutter, Mercruiser
Retainer for MER60930 Water Shutter |
| MER807166A1 $59.95 Quantity in Basket: none |
Shutter, Water, Mercruiser GM V6, V8
Water Sutter that fits many Mercruiser applications. It is 2-1/2" wide and 6-1/8" long This valve has a butterfly action and comes with 2 grommets. Sold as Each. If your flapper currently has square grommets that hold it in, and a 4 inch Y-Pipe, then this is the correct flapper If your current flapper is held in with round grommets, then you need BPI89170 or MAL9-42802
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| MER807166A3 $74.95 Quantity in Basket: none |
Water Shutter, Mercruiser Y-Pipe
4" Water Shutter (pair) for Mercruiser Y Pipe |
| MER99370A2 $19.95 Quantity in Basket: none |
Flapper, Mercruiser
3" Water Shutter that was used on V-6 & V-8 Mercruiser applications with center riser manifolds from 1982 thru 1987. It's purpose is to keep water from backing into the Riser & Manifold. |
| OSC0879-G $7.00 Quantity in Basket: none |
Riser Gasket -Mercruiser (GLM32460)
Exhaust Riser Gasket for a 3.7L Mercruiser. It fits OSC0879 riser 3.7L with cast iron manifold (same as GLM32460)
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| OSC0879-MK $9.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser OSC0879
Riser Mounting Kit fits OSC0879 risers |
| OSC1851MK $16.95 Quantity in Basket: none |
Spacer Mounting Kit for Mercruiser OSC1851
Spacer mounting kit fits OSC1851 Spacer |
| OSC2076MK $5.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser OSC2076 Riser
Mounting Kit for OSC2076 Riser Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC3320-MK $18.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser
Mounting Kit For 3" Spacer with 3" Riser on Mercruiser |
| OSC3320-MK-X $18.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser
Mounting Kit For 3" Spacer with 4" Riser on Mercruiser |
| OSC3322MK $6.95 Quantity in Basket: none |
Riser Mounting Kit, 6" Mercruiser
Mounting Kit for 6" Spacer with 4" Riser |
| OSC4354-MK $16.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser
Mounting Kit fits OSC4354 risers |
| OSC48043 $3.00 Quantity in Basket: none |
End Cap Gasket, Mercruiser
End Plate Gasket fits OSC60252 & OSC54870 end caps |
| OSC5538-G $3.00 Quantity in Basket: none |
Riser Gasket, Mercruiser
Riser Gasket fits OSC5538 risers |
| OSC5538-MK $6.95 Quantity in Basket: none |
Exhaust Mounting Kit, Mercruiser
Mounting Kit fits OSC5538 risers |
| OSC560-MK $11.95 Quantity in Basket: none |
Manifold Mounting Kit-Mercruiser
Mounting Kit fits OSC5603, OSC5604 manifolds |
| OSC60207 $9.95 Quantity in Basket: none |
Manifold Plate, Stainless Steel, Mercruiser
Stainless Steel Plate with a weep hole used on log style Mercruiser manifolds prior to 1983. The Plate is sandwiched between 2 OSC6351-G gaskets and fits OSC7234B, OSC7235B, OSC5603, OSC5604 manifolds with raw water cooling.
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| OSC60252-MK $6.95 Quantity in Basket: none |
Manifold End Plate Mounting Kit, Mercruiser
End Plate Mounting Kit for a Mercruiser. This is for the End Plates on the Ford and GM log style Manifolds prior to 1983. The kit contains the Gasket and mounting hardware. Mounting Kit fits OSC60252. Includes OSC48043. |
| OSC6325-MK $6.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser
Mounting Kit fits OSC6325 risers |
| OSC6351-G $4.00 Quantity in Basket: none |
Riser Gasket, Mercruiser
Riser Gasket for a Mercruiser application. It is used with riser OSC6351 and riser OSC6771. (same as GLM31520)
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| OSC6371-MK $6.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser
Riser Mounting Kit for Mercruiser V8s with log style manifolds, and some inline 6 cylinder, all prior to 1982. It is for riser OSC6351 and OSC6771. |
| OSC6371-MK-SP $15.95 Quantity in Basket: none |
Mounting Kit, Riser, OSC6351, OSC6771
Riser Mounting Kit fits OSC6351, GLM51120, and OSC6771 Risers. Includes OSC60207 stainless plate with weep hole, (2) OSC6351-G riser gaskets and hardware. Not for fresh water/closed cooling systems. Fits GM Small Block V8, 305-350 cid, models 198, 228, 898 Fits Ford Small Block V8, 302-351 cid, models 215, 225, 233, 255, 888
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| OSC7214-MK $11.95 Quantity in Basket: none |
Manifold Mounting Kit for OSC7114B, OSC7214, OSC7234B, OSC7235B Mercruiser
Mounting Kit For a Mercruiser Center Riser Manifold. It fits a small block GM from 1983 & up using OSC7114B, OSC7234B, OSC7235B manifolds. This kit contains the gasket from the manifold to the cylinder, and the mounting hardware.
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| OSC8503-GB $6.00 Quantity in Basket: none |
Riser Gasket, Blank for Mercruiser
block off Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. This is used when the manifolds are fresh water cooled. It fits OSC4354, OSC8503A & BARMC20-98502 risers
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| OSC8503-GO $4.00 Quantity in Basket: none |
Riser Gasket, Open for Mercruiser
open Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. It fits OSC4354, OSC8503A & BARMC20-98502 risers
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| OSC8503-GR $4.00 Quantity in Basket: none |
Riser Gasket, Restrictor for Mercruiser
restricted Riser Gasket used on Mercruiser V6 & V8 engines with center riser manifolds from 1983 & up. It fits OSC4354, OSC8503A & BARMC20-98502 risers
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| OSC8503-SS $10.95 Quantity in Basket: none |
Plate, Block Off, Stainless Steel, Mercruiser, Center Riser
Direct replacement stainless fresh water-cooling block off plate for use with Mercruiser Models 898R, 228R and 260R |
| OSC8503A-MK $6.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser OSC8503A Riser
Mounting Kit fits OSC8503A risers |
| OSC8561-G $10.95 Quantity in Basket: none |
Riser Gasket Mercruiser 3.7L (GLM32470)
Riser / Elbow gasket for a 3.7L with an aluminum manifold. It is used with Riser OSC8561 with aluminum manifold. (same as GLM32470)
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| OSC8561-MK $12.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser (OSC8561)
Mounting Kit fits OSC8561 risers |
| OSC8759-MK $28.95 Quantity in Basket: none |
Manifold Mounting Kit, Mercruiser OSC8759 Manifold
Mounting Kit fits OSC8759 manifolds |
| OSC9011-MK $11.95 Quantity in Basket: none |
Manifold Mounting Kit, Mercruiser (OSC9011)
mounting kit for a Mercruiser Center Riser Exhaust Manifold on Big Block applications. The kit includes a manifold gasket and bolts for one side and fits OSC9011 manifolds. |
| OSC9745-MK $11.95 Quantity in Basket: none |
Manifold Mounting Kit, Mercruiser (OSC9745)
Mounting Kit fits OSC9745 manifolds |
| OSC992-G $6.00 Quantity in Basket: none |
Gasket, Riser (OSC992)
Open Riser Gasket that will fit a Barr style manifold and riser set-up with standard cooling. This Riser Gasket fits OSC992 & OSC99204 Risers. |
| OSC992-G-FW $6.00 Quantity in Basket: none |
Riser Gasket, Fresh Water Cooling, Barr Style
Riser Gasket for Fresh Water Cooled applications |
| OSC992MK $6.95 Quantity in Basket: none |
Riser Mounting Kit, fits OSC992 Risers (Mercruiser, Volvo)
Mounting Kit fits OSC992 risers |
| OSC992MK-FW $6.95 Quantity in Basket: none |
Riser Mounting Kit, Fits OSC992 Risers, Fresh Water Cooled
Mounting Kit fits OSC992, OSC99204, and OSC2018 risers on Fresh Water Cooled applications
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| OSC994MK $11.95 Quantity in Basket: none |
Manifold Mounting Kit, fits OSC994 Manifolds (Mercruiser, Volvo)
Manifold Mounting Kit for a Barr Style Manifold used on a Small Block Chevrolet V8. It is used with manifold OSC994. |
| OSCCRR-14S $76.95 Quantity in Basket: none |
Spacer, 4", Mercruiser OSCCRR
4" Spacer. It uses Mounting Kit OSCCRR-MK or OSCCRR-MK-FW (fresh water closed cooling). Risers will need their own mounting kits. |
| OSCCRR-G $4.00 Quantity in Basket: none |
Gasket, Exhaust Riser, Mercruiser (OSCCRR series)
Gasket, riser and spacer to manifold. Allows cooling water to pass from manifold to riser or spacer Included in OSCCRR-MK Mounting Kit. Fits OSCCRR-1, and OSCCRR-3 Risers. See Illustration for installation: 
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| OSCCRR-G-FW $6.00 Quantity in Basket: none |
Gasket, Riser, Center Riser V8 Block Off, FWC
Gasket, riser to manifold. Blocks cooling water from passing from manifold to riser or spacer. Fits OSCCRR-1, and OSCCRR-3 Risers. See Illustration for installation:
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| OSCCRR-MK $6.95 Quantity in Basket: none |
Mounting Kit, Riser for Mercruiser (OSCCRR-1)
Mounting Kit fits OSCCRR-1 risers |
| OSCCRR-MK-FW $5.95 Quantity in Basket: none |
Riser Mounting Kit, Mercruiser OSCCRR-1, OSCCRR-3
riser/spacer Mounting Kit. It fits OSCCRR-1 and OSCCRR-3 risers and OSCCRR-14S Spacer. It is used for closed cooled or recirulated manifolds. Kit includes OSCCRR-G-FW gasket and mounting hardware. |
| OSCCV-GH $7.00 Quantity in Basket: none |
Gasket, Manifold GM 305 5.0L, 350 5.7L V8
Manifold Gasket for GM 5.0/5.7L 305/350 cid |
| OSCCVCR-MK $11.95 Quantity in Basket: none |
Mounting Kit, Manifold (OSCCVCR818)
Mounting Kit fits OSCCVCR818 manifolds |
| OSCCW-GH $7.95 Quantity in Basket: none |
Gasket, Manifold, GM 454 7.4L, 502 8.2L V8
Manifold Gasket for GM 7.4/8.2L 454/502 cid |
| OSCCW994-MK $11.95 Quantity in Basket: none |
Mounting Kit, Manifold , Barr Style GM 454 7.4L, 502 8.2L V8
Manifold Mounting Kit for OSCCW994 Manifolds Big Block GM V8 with Barr Style Manifolds |
| OSCCY4-GH $6.95 Quantity in Basket: none |
Gasket, Manifold GM 153 2.5L 4 Cyl
Manifold Gasket for GM 2.5L 153 cid |
| OSCCY6-GH $13.95 Quantity in Basket: none |
Gasket, Manifold GM Inline 6 Cyl
Manifold Gasket for GM Inline 6 Cyl. formerly OSCMO6-GH |
| OSCF68C9 $7.95 Quantity in Basket: none |
Fitting, Manifold Hose, 0.75" X 1" 90°
3/4" NPT X 1" ID 90° elbow |
| OSCF68CS $7.95 Quantity in Basket: none |
Fitting, Manifold Hose, 0.75" X 1" Straight
3/4" NPT X 1" ID straight |
| OSCFL-GH $6.00 Quantity in Basket: none |
Gasket , Manifold, Ford 302 5.0L, 351 5.8L V8
Manifold Gasket for Ford 5.0/5.8L 302/351 cid |
| OSCFL994-MK $12.50 Quantity in Basket: none |
Mounting Kit, Manifold, OSC994
Mounting Kit fits OSC994 manifolds |
| OSCFLCR-MK $11.95 Quantity in Basket: none |
Mounting Kit, Manifold, Mercruiser OSCFLCR818
Mounting Kit fits OSCFLCR818 manifolds |
| OSCMO4-GH $7.00 Quantity in Basket: none |
Gasket, Manifold, GM 181 3.0L
Manifold Gasket for GM 3.0L 181 cid |
