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Mercruiser Inboard Exhaust System Parts

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Products: 1 - 50 of 227
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Exhaust Boot, 18-2746

Exhaust Boot, 18-2746

Mfr. Sierra | Mfr No. 18-2746

Exhaust Boot, 18-2746. Replaces: Mercruiser Inboard/Outboard #32-14358T. 4" lower tube...
$28.69


Exhaust Boot, 18-2748

Exhaust Boot, 18-2748

Mfr. Sierra | Mfr No. 18-2748

Exhaust Boot, 18-2748. Replaces: Mercruiser Inboard/Outboard #32-44348T. 4" upper tube...
$24.99


Exhaust Manifold Gasket -18-2949

Exhaust Manifold Gasket -18-2949

Mfr. Sierra | Mfr No. 18-2949

Exhaust Manifold Gasket -18-2949 for Crusader, Sterndrive/Cobra and Volvo Penta...
$11.71


Exhaust Manifold Gasket, 18-0183

Exhaust Manifold Gasket, 18-0183

Mfr. Sierra | Mfr No. 18-0183

Exhaust Manifold Gasket, 18-0183, for Crusader (Thermo-Electron), Pleasurecraft (PCM) Waukesha, Mercruiser and Sterndrive/Cobra Inboard/Outboard...
$5.49


Exhaust Manifold Gasket, 18-0872

Exhaust Manifold Gasket, 18-0872

Mfr. Sierra | Mfr No. 18-0872

Exhaust Manifold Gasket, 18-0872. Replaces: Mercruiser Inboard/Outboard #27-33395...
$5.49


Exhaust Manifold Mounting Gasket - Mercruiser, 27-52546

Exhaust Manifold Mounting Gasket - Mercruiser, 27-52546

Mfr. Sierra | Mfr No. 18-2896

Exhaust Manifold Mounting Gasket - Mercruiser, 27-52546. Replacement for Mercruiser Inboard/Outboard #27-52546...
$13.49


Exhaust Tube - Mercruiser, 18-2760

Exhaust Tube - Mercruiser, 18-2760

Mfr. Sierra | Mfr No. 18-2760

Exhaust Tube - Mercruiser, 18-2760. Replacement for Mercruiser Inboard/Outboard #78458A1. For Bravo I, II, III...
$36.99


Exhaust Tube - Mercruiser, 18-2761

Exhaust Tube - Mercruiser, 18-2761

Mfr. Sierra | Mfr No. 18-2761

Exhaust Tube - Mercruiser, 18-2761. Replacement for Mercruiser Inboard/Outboard #32-90949T...
$30.99


Exhaust Tube - Mercruiser, 18-2762

Exhaust Tube - Mercruiser, 18-2762

Mfr. Sierra | Mfr No. 18-2762

Exhaust Tube - Mercruiser, 18-2762. Replacement for Mercruiser Inboard/Outboard #70981A3...
$29.13


Manifold Riser Spacer Kit, Mercruiser 807476A6, 93320A5

Manifold Riser Spacer Kit, Mercruiser 807476A6, 93320A5

Mfr. Sierra | Mfr No. 18-1908K

Manifold Riser Spacer Kit, Mercruiser 807476A6, 93320A5. Lifetime warranty on Sierra Manifold Riser Spacers and other Sierra Engine Parts...
$265.66


Manifold Riser, 18-1976-1

Manifold Riser, 18-1976-1

Mfr. Sierra | Mfr No. 18-1976-1

Manifold Riser, 18-1976-1. Fits most Mercruiser V-6 & V-8 applications 7° (4" O.D. Riser). Replaces: Mercruiser Inboard/Outboard #44354A3...
$103.60


Manifold w/ Mounting Package by Sierra

Manifold w/ Mounting Package by Sierra

Mfr. Sierra | Mfr No. 18-1953-2

Replaces: Mercruiser Inboard/Outboard #87114A19. Fits either port or starboard side. Fits most Mercruiser (GM) small blocks with center riser...
$150.53


Mercruiser Cooling System - Manifold, 18-1952-1

Mercruiser Cooling System - Manifold, 18-1952-1

Mfr. Sierra | Mfr No. 18-1952-1

Mercruiser Cooling System - Manifold, 18-1952-1. This Mercruiser Manifold is made for both the port and starboard. The manifold fits most 4.3L (262 CID) V-6 applications...
$178.73


Mercruiser Cooling System Manifold Elbow, 18-1971

Mercruiser Cooling System Manifold Elbow, 18-1971

Mfr. Sierra | Mfr No. 18-1971

Mercruiser Cooling System Manifold Elbow, 18-1971. Replaces: Mercruiser Inboard/Outboard #76351A2. Fits most early model 140HP (4 cylinder) applications...
$110.30


Mercruiser Exhaust Bellows, 18-2750

Mercruiser Exhaust Bellows, 18-2750

Mfr. Sierra | Mfr No. 18-2750

Mercruiser Exhaust Bellows, 18-2750. Replaces: Mercruiser Inboard/Outboard #32734A3, 18654A1. For all #1 Units, Gen II, TRS & Bravo I, II, III...
$21.00


Mercruiser Exhaust Shutter # 60930

Mercruiser Exhaust Shutter # 60930

Mfr. Sierra | Mfr No. 18-2727

Mercruiser Exhaust Shutter # 60930...
$20.99


Mercruiser Manifold Elbow

Mercruiser Manifold Elbow

Mfr. Sierra | Mfr No. 18-1970-1

Replaces: Mercruiser Inboard/Outboard #98504A3. Fits V-6 & V-8 applications 15° (3" O.D. Riser)...
$113.75


Port / Starboard Mercruiser Manifold, 18-1957-1

Port / Starboard Mercruiser Manifold, 18-1957-1

Mfr. Sierra | Mfr No. 18-1957-1

Port / Starboard Mercruiser Manifold, 18-1957-1. A Mercruiser manifold that for Port and Starboard. The manifold fits most Mercruiser (GM) V-8 big blocks with center riser...
$180.47


Water Shutter - Mercruiser 807166A3

Water Shutter - Mercruiser 807166A3

Mfr. Sierra | Mfr No. 18-2732

Water Shutter - Mercruiser 807166A3. Lifetime warranty on Sierra Water Shutters and other Sierra Engine Parts...
$25.99


Sierra 18-1908, Manifold Riser Spacer for Mercruiser Stern Drives

Sierra 18-1908, Manifold Riser Spacer for Mercruiser Stern Drives

Mfr. Sierra | Mfr No. 18-1908

Sierra 18-1908, Manifold Riser Spacer for Mercruiser Stern Drives
$85.03


Exhaust Elbow Mounting Kit - Mercruiser , 18-1976-1

Exhaust Elbow Mounting Kit - Mercruiser , 18-1976-1

Mfr. Sierra | Mfr No. 18-8505

Exhaust Elbow Mounting Kit - Mercruiser , 18-1976-1. Lifetime warranty on Sierra Exhaust Elbow Mounting Kits and other Sierra Engine Parts...
$14.99


Direct Replacement Mercruiser V8 Center Riser Exhaust Manifold, MC-1-87114

Direct Replacement Mercruiser V8 Center Riser Exhaust Manifold, MC-1-87114

Mfr. Barr Marine by EDM | Mfr No. MC-1-87114

Direct Replacement Mercruiser V8 Center Riser Exhaust Manifold, MC-1-87114. Port or Starboard. Replaces Mercruiser # 87114A8 and 87114A19...
$207.19


1/2" NPT to 1" Hose (Straight) Brass Hose Fitting

1/2" NPT to 1" Hose (Straight) Brass Hose Fitting

Mfr. Barr Marine by EDM | Mfr No. 50 512 017

1/2" NPT to 1" Hose (Straight) Brass Hose Fitting...
$11.75


3" Riser Extension Blocks, MC-20-93322A3

3" Riser Extension Blocks, MC-20-93322A3

Mfr. Barr Marine by EDM | Mfr No. MC-20-93320A3

3" Riser Extension Blocks, MC-20-93322A3. Sold as a pair only. Includes fasteners and gaskets...
$174.30


3" Riser Spacer Blocks, MC-20-61811A4, Pack of 2

3" Riser Spacer Blocks, MC-20-61811A4, Pack of 2

Mfr. Barr Marine by EDM | Mfr No. MC-20-61811A4

3" Riser Spacer Blocks, MC-20-61811A4. Sold as a pair only. Includes six gaskets and mounting hardware...
$154.45


3" Riser Spacer, MC-20-61851A3

3" Riser Spacer, MC-20-61851A3

Mfr. Barr Marine by EDM | Mfr No. MC-20-61851A3

3" Riser Spacer, MC-20-61851A3. Fits Mercruiser 140 hp Chevrolet Based Engines. MC-20-61851A3. Includes gaskets and mounting hardware...
$136.36


3" Riser Spacers, MC-20-61851A2

3" Riser Spacers, MC-20-61851A2

Mfr. Barr Marine by EDM | Mfr No. MC-20-61851A2

3" Riser Spacers, MC-20-61851A2. Includes gaskets and mounting hardware. Sold as a pair only...
$158.80


6" Riser Extension Blocks, MC-20-93322A3, Pack of 2

6" Riser Extension Blocks, MC-20-93322A3, Pack of 2

Mfr. Barr Marine by EDM | Mfr No. MC-20-93322A3

6" Riser Extension Blocks, MC-20-93322A3, Pack of 2. Includes fasteners and gaskets...
$165.75


Barr Marine, Restrictor Gasket, Direct Replacement, MC47-27-41811

Barr Marine, Restrictor Gasket, Direct Replacement, MC47-27-41811

Mfr. Barr Marine by EDM | Mfr No. MC47 27 41811

Barr Marine, Restrictor Gasket, Direct Replacement, MC47-27-41811. Two (2) required per plate used...
$12.50


Block Off Plate Gasket, Mercruiser, MC47-27-864549

Block Off Plate Gasket, Mercruiser, MC47-27-864549

Mfr. Barr Marine by EDM | Mfr No. MC47-27-864549

Block Off Plate Gasket, Mercruiser, MC47-27-864549...
$50.77


Barr Marine, Block Off Plate Gasket, Restrictor, Mercruiser

Barr Marine, Block Off Plate Gasket, Restrictor, Mercruiser

Mfr. Barr Marine by EDM | Mfr No. MC47-27-864547

Barr Marine, Block Off Plate Gasket, Restrictor, Mercruiser. Direct replacement restrictor gasket...
$50.77


Conversion Manifold Kit Mercruiser Small Block Chevy, (Replace w/ Center Rise Style Manifolds)

Conversion Manifold Kit Mercruiser Small Block Chevy, (Replace w/ Center Rise Style Manifolds)

Mfr. Barr Marine by EDM

Conversion Manifold Kit Mercruiser Small Block Chevy, (Replace w/ Center Rise Style Manifolds). For 4" Y pipe...
$1,052.79 - $1,107.25

Conversion Manifold Kit, OMC Small Block Ford 302/351W (Replace w/ Center Rise Style Manifolds)

Conversion Manifold Kit, OMC Small Block Ford 302/351W (Replace w/ Center Rise Style Manifolds)

Mfr. Barr Marine by EDM | Mfr No. OMC-CMKIT-SBFORD

Conversion Manifold Kit, OMC Small Block Ford 302/351W (Replace w/ Center Rise Style Manifolds). Kit replaces original "Log Style" manifolds and risers...
$855.56


Direct Replacement 120hp Exhaust Riser, MC-20-55538

Direct Replacement 120hp Exhaust Riser, MC-20-55538

Mfr. Barr Marine by EDM | Mfr No. MC-20-55538

Direct Replacement 120hp Exhaust Riser, MC-20-55538. Fits Mercruiser 120 hp Chevrolet Based Engines. Replaces Mercruiser # B39920 and B55538A2...
$141.43


Direct Replacement Mercruiser 140hp 4 Cylinder Exhaust Manifold, MC-1-52390

Direct Replacement Mercruiser 140hp 4 Cylinder Exhaust Manifold, MC-1-52390

Mfr. Barr Marine by EDM | Mfr No. MC-1-52390

Direct Replacement Mercruiser 140hp 4 Cylinder Exhaust Manifold, MC-1-52390. Fits Mercruiser 140 hp 181 cid Chevrolet Based Engines...
$256.67


Direct Replacement 15° Riser, MC-20-98504

Direct Replacement 15° Riser, MC-20-98504

Mfr. Barr Marine by EDM | Mfr No. MC-20-98504

Direct Replacement 15° Riser, MC-20-98504. Replaces Mercruiser # 98504A3...
$132.59


Direct Replacement Chevrolet Big Block Log Style Exhaust Manifold, MC-1-47735, MC-1-47736

Direct Replacement Chevrolet Big Block Log Style Exhaust Manifold, MC-1-47735, MC-1-47736

Mfr. Barr Marine by EDM

Direct Replacement Chevrolet Big Block Log Style Exhaust Manifold, MC-1-47735, MC-1-47736. Fits Mercruiser V8 Big Block Models 325, 330, 350, 370, 400 Inboard Units. Replaces Merc # 47735A1...
$319.00 - $327.74

Direct Replacement Chevrolet Center Riser Aluminum Exhaust Manifold, CHV-1-92

Direct Replacement Chevrolet Center Riser Aluminum Exhaust Manifold, CHV-1-92

Mfr. Barr Marine by EDM | Mfr No. CHV-1-92

Direct Replacement Chevrolet Center Riser Aluminum Exhaust Manifold, CHV-1-92. Watercooled center discharge manifold to fit small block GM / Chev engine. All Years...
$269.70


Direct Replacement Exhaust Manifold (Rochester Carb) 6 Bolt Mounting Pattern, MC-1-95862, MC-1-96705

Direct Replacement Exhaust Manifold (Rochester Carb) 6 Bolt Mounting Pattern, MC-1-95862, MC-1-96705

Mfr. Barr Marine by EDM

Direct Replacement Exhaust Manifold (Rochester Carb) 6 Bolt Mounting Pattern, MC-1-95862, MC-1-96705. Comes with or without choke stove. Replaces Mercruiser # 95862A9 & 96705A1...
$263.70 - $280.00

Direct Replacement Exhaust Riser, MC-20-12076

Direct Replacement Exhaust Riser, MC-20-12076

Mfr. Barr Marine by EDM | Mfr No. MC-20-12076

Direct Replacement Exhaust Riser, MC-20-12076. Fits Mercruiser 120R/140R MR/Alpha 1 engines. Replaces Mercruiser # 12076A1...
$166.51


Direct Replacement Exhaust Riser, MC-20-76325

Direct Replacement Exhaust Riser, MC-20-76325

Mfr. Barr Marine by EDM | Mfr No. MC-20-76325

Direct Replacement Exhaust Riser, MC-20-76325. Fits Mercruiser 120R/140R MR/Alpha 1 engines. Low profile. Replaces Mercruiser # 76325A2...
$170.42


Direct Replacement Dry Joint Exhaust Riser, Mercruiser, MC-20-864591

Direct Replacement Dry Joint Exhaust Riser, Mercruiser, MC-20-864591

Mfr. Barr Marine by EDM | Mfr No. MC-20-864591

Direct Replacement Dry Joint Riser, MC-20-864591. Fits inboard applications. Replaces Mercruiser #864591T02...
$234.67


Direct Replacement Exhaust Manifold (Mercarb) 6 bolt Mounting Pattern No Choke Stove, MC-1-99798

Direct Replacement Exhaust Manifold (Mercarb) 6 bolt Mounting Pattern No Choke Stove, MC-1-99798

Mfr. Barr Marine by EDM | Mfr No. MC-1-99798

Direct Replacement Exhaust Manifold (Mercarb) 6 bolt Mounting Pattern No Choke Stove, MC-1-99798. Replaces Mercruiser # 99798A9. Fits Mercruiser 120R/140R MR/Alpha 1 engines...
$255.41


Direct Replacement Mercruiser 120hp 4 Cylinder Exhaust Manifold, MC-1-63122

Direct Replacement Mercruiser 120hp 4 Cylinder Exhaust Manifold, MC-1-63122

Mfr. Barr Marine by EDM | Mfr No. MC-1-63122

Direct Replacement Mercruiser 120hp 4 Cylinder Exhaust Manifold, MC-1-63122. Fits 120hp, 153 cu. in. 4 cylinder 1968-82. Replaces Mercruiser # B63122A1...
$286.00


Direct Replacement Mercruiser 165hp 6 Cylinder Exhaust Manifold, MC-1-58759

Direct Replacement Mercruiser 165hp 6 Cylinder Exhaust Manifold, MC-1-58759

Mfr. Barr Marine by EDM | Mfr No. MC-1-58759

Direct Replacement Mercruiser 165hp 6 Cylinder Exhaust Manifold, MC-1-58759 . Fits Mercruiser 165 hp Chev Inline 6 cylinder engines. Replaces Mercruiser # 58759A1...
$497.26


Direct Replacement Mercruiser Log Style Exhaust Manifold, MC-1-47737, MC-1-47738

Direct Replacement Mercruiser Log Style Exhaust Manifold, MC-1-47737, MC-1-47738

Mfr. Barr Marine by EDM

Direct Replacement Mercruiser Log Style Exhaust Manifold, MC-1-47737, MC-1-47738. Fits Mercruiser 225, 250, 255, 270 and 280 models...
$319.00 - $348.00

Direct Replacement Mercruiser Log Style Exhaust Manifold, MC-1-77234, MC-1-77235

Direct Replacement Mercruiser Log Style Exhaust Manifold, MC-1-77234, MC-1-77235

Mfr. Barr Marine by EDM

Direct Replacement Mercruiser Log Style Exhaust Manifold, MC-1-77234, MC-1-77235. Fits Mercruiser V8 198, 228, 255, 260 & 898 Inboard and Stern-Drive Units...
$304.33 - $312.67

Direct Replacement Mercruiser V8 Center Riser Dry Joint Exhaust Manifold, MC-1-865735

Direct Replacement Mercruiser V8 Center Riser Dry Joint Exhaust Manifold, MC-1-865735

Mfr. Barr Marine by EDM | Mfr No. MC-1-865735

Direct Replacement Mercruiser V8 Center Riser Dry Joint Exhaust Manifold, MC-1-865735. Port or Starboard. Replaces Mercruiser #865735A02.
$286.30


Direct Replacement Mercruiser V8 Ford 302 and 351 Exhaust Manifold, MC-1-65603, MC-1-65604

Direct Replacement Mercruiser V8 Ford 302 and 351 Exhaust Manifold, MC-1-65603, MC-1-65604

Mfr. Barr Marine by EDM

Direct Replacement Mercruiser V8 Ford 302 and 351 Exhaust Manifold, MC-1-65603, MC-1-65604. Fits Models 188, 215, 233, 255, and 888 Inboard and Stern-Drive units...
$311.67 - $320.21

Direct Replacement Mercruiser GM Big Block Center Rise Exhaust Manifold, MC-1-89011

Direct Replacement Mercruiser GM Big Block Center Rise Exhaust Manifold, MC-1-89011

Mfr. Barr Marine by EDM | Mfr No. MC-1-89011

Direct Replacement Mercruiser V8 GM Big Block Center Rise Exhaust Manifold, MC-1-89011. Fits Mercruiser models 330, 340 and 454 magnum. Replaces Mercruiser # 89011A8. For inboard and sterndrives...
$320.55


Products: 1 - 50 of 227
Page:  1 | 2 | 3 | 4 | 5   Next >

Ask. Answer. Discuss.
Post a question or comment about Mercruiser Inboard Exhaust System Parts to our online boating community.
Question
Exhaust bellows - overheating

I have a 1990 four winns 205 sundowner, with a 302ci ford in/out mercrusiser. recently, while on the water and hooked-up, I had a bellows on the exhaust system, overheat, and fail. Luckily, made it back to shore. but, why would it overheat? engine @150 temp, and ok. oil pressure @40+, and ok.

Submitted by: gibsonsmth7
Answer

The most common issue is a clogged manifold or riser not allowing enough water to mix with your hot exhaust causing this problem. Mercruiser did not use a Ford powerplant in 1990 so you either have an OMC or Volvo drive. If you give the appropriate engine information we can look up the parts you need.


 
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