Pair MerCruiser 4" Center Exhaust Riser Elbow 807988 44354A3 V6 V8 4.3L 5.0L 5.7 For Sale - New and Used

FASWORX Premium 4" Center-Rise Exhaust Elbow (Wet-Joint)

Keep your marine engine running cool and protected with the FASWORX Premium 4-Inch Center Exhaust Riser. Engineered to meet or exceed original equipment specifications, this heavy-duty cast iron riser provides reliable exhaust flow and water mixing for standard wet-joint systems.

Key Features & Specifications:

• Direct Fit Replacement: Symmetrical design fits perfectly on either the Port (left) or Starboard (right) side of your engine block.

• Exact Dimensions: Features a 4-inch outside diameter (O.D.) outlet with a 7-degree down-angle for seamless integration with your existing 4-inch exhaust hoses.

• Durable Construction: Manufactured from heavy-duty marine-grade cast iron to withstand harsh marine environments and resist cracking and corrosion.

Fitment Information:This wet-joint exhaust riser is designed for GM-based Mercury/MerCruiser V6 and V8 marine engines (1981–2002) equipped with center-rise manifolds.

• V6 Engines: 4.3L (262 CID)

• V8 Small Block Engines: 5.0L (305 CID), 5.7L (350 CID), 6.2L (377/383 CID)

• V8 Big Block Engines: 7.4L (454 CID), 8.2L (502 CID)

• Compatible Sterndrives: Alpha One, Bravo I, Bravo II, Bravo III

Replaces the Following Part Numbers:

• MerCruiser: 807988, 807988A2, 807988A03, 807988Q03, 44354, 44354A3, 44354A9, 44354A13, 807914, 807914A1

• Sierra: 18-1976-1, 18-1976-2

• Barr Marine: MC-20-44354

• GLM: 51140

IMPORTANT BUYER NOTES:

1. Hose Size: Please verify your exhaust hose inner diameter is 4 inches. This will NOT fit older models or transition years utilizing a 3-inch hose.

2. Dry-Joint Systems: This is a "Wet-Joint" riser. It is NOT compatible with 2002 and newer MerCruiser engines equipped with "Dry-Joint" exhaust systems.

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