MERCRUISER V-8 cyl. (CENTER STYLE) MANIFOLDS & RISERS (1983 and NEWER)

   
GLM51110COPY 51110 GLM DIRECT REPLACMENT MERCRUISER RISER 3" EXHAUST 15-DEGREE
$115.00 $89.95 On Sale!
GLM51110
GLM51110 exhaust elbow is a direct replacement for Mercruiser Part # 98504A3, Center Style Riser 3" Exhaust Outlet with 15-degree angle. Mercruiser I/O elbow. (Imported product w/3 year limited warranty). Not supplied with gasket or mounting hardware.

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OSC8503A-MK.jpg 8503A-MK Mercruiser Riser Mounting Kit
$6.95
OSC8503A-MK
Fits #OSC8503A and Riser. Includes Riser to Manifold Gasket (OSC8503-GR) and Mounting Bolts.

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MERCUISER_MANIFOLDS_RISERS/mc-20-98504.jpg MC-20-98504 DIRECT REPLACMENT MERCRUISER RISER 3" EXHAUST 15-DEGREE
$99.95
MC-20-98504
Barr direct replacement 3" Exhaust Riser (15-DEGREE), REPLACES MERCRUISER #98504A3. Made in USA, 3-year limited warranty. Supplied with raw water gasket and mounting hardware.

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GLM51140.bmp 51140 DIRECT REPLACMENT MERCRUISER "MAGNUM" RISER by GLM
$148.00 $110.95 On Sale!
GLM51140
New GLM part # 51140 is a direct replacement riser for the Mercruiser Part #'s 44354A3 and 807988A2. "Magnum" style 4" exhaust riser (7-Degree) fits Mercruiser center style V-6 and V-8 manifolds. (Imported product w/3 year limited warranty). Order gaskets and mounting hardware as required.

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OSC4354-MK.jpg 4354-MK Mercruiser Riser Mounting Kit (4"-Magnum Riser)
$14.95
OSC4354-MK
Fits #OSC4354 Riser and GLM51140. Includes Riser to Manifold Raw Water Cooled Gasket, (OSC8503-GR) and Mounting Bolts.

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MERCUISER_MANIFOLDS_RISERS/mc-20-44354.jpg MC-20-44354 DIRECT REPLACMENT MERCRUISER "MAGNUM" RISER by BARR
$129.95
MC-20-44354
REPLACES MERCRUISER 4" Exhaust "MAGNUM" Riser, (7-degree angle). Mercruiser part #'s 44354A3 and 807988A2. Supplied with raw water gaskets and mounting hardware. Made is USA. 3-year limited warranty.

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GLM51230COPY.JPG 51230 GLM DIRECT REPLACEMENT MERCRUISER Small Block 5.0 & 5.7-Liter Center Style Manifold
$159.00 $119.95 On Sale!
GLM51230
GLM DIRECT REPLACEMENT MANIFOLD, Fits both Port or Starboard sides of engine. Replaces all Mercruiser 5.0 and 5.7-Liter Center Style Exhaust Manifolds. Replaces Mercruiser part #'s 87714A8, 87114A19 and 860246A10. Order gaskets and hardware as required. Imported, 3-Year limited warranty.

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OSC7214-MK.jpg 7214-MK Mercruiser Manifold Mounting Kit
$11.95
OSC7214-MK
Fits Small Block GM (Chevy) engines using #OSC7114B, OSC7114B2, OSC7235B, OSC7234B and GLM51230 Manifolds. Includes Manifold to Block gasket and mounting bolts.

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MERCUISER_MANIFOLDS_RISERS/MC-1-87114.jpg MC-1-87114 BARR DIRECT REPLACEMENT MERCRUISER Small Block 5.0 & 5.7-Liter Center Style Manifold
$235.00 $169.95 On Sale!
MC-1-87114
BARR DIRECT REPLACEMENT MANIFOLD, Fits both Port or Starboard sides of engine. Replaces all Mercruiser 5.0 and 5.7-Liter Center Style Exhaust Manifolds. Replaces Mercruiser part #'s 87714A8, 87114A19 and 860246A10. Includes raw water riser gasket, manifold to head gasket and mounting hardware. Made in USA, 3-Year limited warranty.

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GLM51240.bmp 51240 GLM DIRECT REPLACEMENT MERCRUISER EXHAUST MANIFOLD BIG BLOCK (7.4-LITER) CENTER OUTLET
$235.00 $199.95 On Sale!
GLM51240
GLM51240 is a direct replacement for the big block Mercruiser center outlet manifold OEM#89011A8, 807078A2 and 807078A6. For GM (Chevy) Big Block 7.4-Liter, (454 and 502 cu.in.) Center Style Exhaust Manifolds. (Imported product w/3 year limited warranty). Order gaskets and mounting hardware as needed.

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OSC9011A.jpg 9011A OSCO DIRECT REPLACEMENT MERCRUISER EXHAUST MANIFOLD BIG BLOCK (7.4-LITER) CENTER OUTLET
$294.00 $239.95 On Sale!
OSC9011A
OSCO DIRECT REPLACEMENT MERCRUISER EXHAUST MANIFOLD, BIG BLOCK (7.4-LITER) CENTER OUTLET, Fits both the port and starboard sides of engine. Mercruiser Center Style Exhaust Manifold. Big Block GM (Chevy) 7.4-Liter, (454 and 502 cu.in.). Replaces Mercuiser Part #'s 89011A8, 807078A2 and 807078A6. Made in USA, 3-year limited warranty. Order gaskets and mounting hardware as needed.

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OSC9011-MK.jpg 9011-MK Mercruiser Manifold Mounting Kit
$11.95
OSC9011-MK
Fits Big Block GM (Chevy) engines using #OSC9011, BARR # MC-1-89011 and GLM51240 manifolds. Includes Manifold to Block Gasket and Mounting Bolts.

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MC-20-93320a3.jpg MC-20-93320A3 SPACER BLOCK KIT 3" HEIGHT
$151.19
MC-20-93320A3
KIT 3" HEIGHT, FITS CENTER STYLE EXHAUST MANIFOLDS #9011, #7114B, & #9745, REPLACES MERCRUISER #93320A3 and 93320A5. One kit per engine, includes (2)-3" spacers with all gaskets and studs to mount either 3" and 4" exhaust riser. If engine is equipped with remote mount oil filter mounted to riser, must order optional 16-9/16" studs. part #1611376 (2)-studs per engine.

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MERCUISER_MANIFOLDS_RISERS/osc3322.jpg 3322 SPACER BLOCK ONLY 6"
$59.95
OSC3322
6" HEIGHT, FITS CENTER STYLE MANIFOLDS #9011, #7114B, & #9745, REPLACES MERCRUISER #93322A3.
*NOTE: "BLOCKS ARE SOLD IN SINGLES, NOT PAIRS & DO NOT INCLUDE MOUNTING HARDWARE".

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MERCUISER_MANIFOLDS_RISERS/MC-20-93322a3.jpg MC-20-93322A3 SPACER BLOCK KIT 6" HEIGHT
$151.19
MC-20-93322A3
6" HEIGHT, FITS CENTER STYLE MANIFOLDS #9011, #7114B, & #9745, REPLACES MERCRUISER #93321A3.

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MERCUISER_MANIFOLDS_RISERS/mc-20-98502.jpg MC-20-98502 DIRECT REPLACEMENT INBOARD RISER (0-Degree)
$195.00 $149.95 On Sale!
MC-20-98502
BARR Direct replacement Mercruiser 3" Exhaust Riser (0-DEGREE), REPLACES MERCRUISER #98502A2 CENTER TYPE RISER. Made in USA, 3-year limited warranty. Supplied with raw water gasket and mounting hardware. (Note: used on some inboard applications, NEVER used on any sterndrive applications).

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bjmercm4.jpg 4354 Mercruiser 4" MAGNUM Riser
$129.95
OSC4354
Made by OSCO, replaces Mercruiser part #44345A3. 4" Exhaust Outlet (7-degree) for center style manifolds. Made in USA, 3-Year Warranty. Same as GLM51140 and BARR MC-20-44354. Order gaskets and hardware as needed.

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MERCUISER_MANIFOLDS_RISERS/osc8503gr.jpg 8503-GR RAW WATER COOLING GASKET
$3.50
OSC8503-GR
USE WITH STANDARD RAW WATER COOLING.

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MERCUISER_MANIFOLDS_RISERS/osc8503gb.jpg 8503-GB FRESH WATER GASKET
$4.00
OSC8503-GB
USE WITH STANDARD FRESH WATER COOLING.

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MERCUISER_MANIFOLDS_RISERS/osc8503-go.jpg 8503-GO RISER EXTENSION GASKETS
$4.00
OSC8503-GO
USE WITH RISER EXTENSION BLOCKS BETWEEN MANIFOLD & EXTENSION.

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MERCUISER_MANIFOLDS_RISERS/MC-20-87918.jpg MC-20-87918 STAINLESS STEEL BLOCK OFF PLATE
$12.00
MC-20-87918
STAINLESS STEEL BLOCK OFF PLATE.

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18-4349.jpg 18-4349 Mercruiser Manifold Gasket Kit- SB Center Riser
$10.39
18-4349
Manifold Gasket Kit, Small Block GM (Chevy) 5.0 and 5.7-Liter engines with Center Riser Type Manifolds. Fits Manifold Part #OSC7114B, GLM51230 and MC-1-87114.

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18-4348.jpg 18-4348 Mercruiser Manifold Gasket Kit- BB Center Riser
$25.19
18-4348
Manifold Gasket Kit for Big Block GM (Chevy) 454, 502, 7.4-Liter engines with Center Riser Type Exhuast Manifolds. Fits Manifold Part #OSC9011, GLM51240, MC-1-89011.

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MERCUISER_MANIFOLDS_RISERS/MC-20-93320a3PKG.jpg MC-20-93320A3PKG 3" SPACER BLOCK MOUNTING HARDWARE AND GASKETS ONLY
$24.95
MC-20-93320A3PKG
3" SPACER BLOCK MOUNTING. Includes all studs,nuts and gaskets only. NOTE: If engine is equipped with remote mount oil filter attached to Riser studs, must order optional 1611376 studs (10-9/16"-long) 2-studs per engine.

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MERCUISER_MANIFOLDS_RISERS/MC-20-93322a3PKG.jpg MC-20-93322A3PKG 6" SPACER BLOCK MOUNTING HARDWARE AND GASKETS ONLY
$24.95
MC-20-93322A3PKG
6" SPACER BLOCK MOUNTING, GASKETS, STUDS AND NUTS ONLY.

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MERCUISER_MANIFOLDS_RISERS/22862210a01.jpg 22862210A01 STAINLESS STEEL ELBOW W/ DRAIN PLUG
$9.95
22862210A01
WATER FITTING 90-DEGREE FOR 1" HOSE W/DRAIN, MADE OF STAINLESS STEEL. OLD MERCRUISER PART # 22-806926A1 REPLACES SIERRA PART # 18-4224 (WHICH IS NYLON).

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