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Engineered Marine Products 57-57502 Dry Joint Exhaust Riser 4" 7° Degree

Manufacturer

Engineered Marine Products

<h3>About Engineered Marine Products (EMP)</h3><p><strong>Engineered Marine Products</strong>, widely known in the boating world as <strong>EMP</strong>, has been a trusted name in marine parts manufacturing for over 40 years. The company supplies OEMs, distributors, dealers, and rebuilders worldwide with high-quality aftermarket components engineered to meet or exceed original equipment manufacturer (OEM) specifications. Whether you maintain a weekend fishing boat or a performance inboard, EMP&apos;s extensive catalog is built to keep marine engines running reliably season after season.</p><h3>A Marine Parts Specialist Built on Engineering Precision</h3><p>EMP&apos;s foundation is precision manufacturing. Their design and production processes leverage modern engineering technology, with a focus on dimensional accuracy, material quality, and long-term durability in the demanding marine environment. Salt spray, constant vibration, wide temperature swings, and moisture ingress are realities every marine component must survive — and EMP engineers its parts with exactly those conditions in mind.</p><p>The brand&apos;s catalog spans a remarkably wide range of marine engine subsystems. From cooling and fuel delivery to gearcases, propellers, transom components, and steering systems, EMP offers solutions for outboard engines from manufacturers including Mercury/Mariner, Yamaha, BRP (Johnson/Evinrude), and Force, as well as inboard/sterndrive platforms such as MerCruiser, OMC, and Volvo Penta.</p><h3>Ignition and Electrical Components</h3><p>One of EMP&apos;s most comprehensive product areas is marine ignition and electrical systems. Their <a href="/13199-engineered-marine-products-ignition-control-module-10488">Ignition Control Modules</a> and related ignition components cover a broad spectrum of inboard and outboard applications — from distributor caps and rotors for Volvo Penta V8 engines to ignition coil assemblies compatible with MerCruiser 3.0L through 8.4L GM-based powerplants and OMC configurations. Reliable spark delivery is critical to engine performance and starting consistency on the water, and EMP&apos;s ignition lineup is designed to deliver dependable output across the entire RPM range.</p><h3>Gaskets, Seals, and Engine Integrity</h3><p>Keeping a marine engine leak-free is just as important as keeping it firing correctly. EMP&apos;s <a href="/13199-engineered-marine-products-gaskets-seals-201268">Gaskets &amp; Seals</a> lineup addresses the full range of engine and gearcase sealing needs — including gearcase seal kits, Teflon lip seals, fuel injector crush ring kits, and comprehensive engine gasket sets. Proper sealing prevents water intrusion, oil loss, and exhaust leaks that can quickly sideline a boat and lead to expensive engine damage.</p><h3>Why Boaters and Technicians Choose EMP</h3><ul style="list-style:disc"><li><strong>OEM-Grade Quality:</strong> Parts are engineered to meet or exceed original manufacturer specifications, ensuring proper fit and reliable function.</li><li><strong>Broad Application Coverage:</strong> EMP covers major outboard and inboard/sterndrive platforms from leading marine engine brands.</li><li><strong>Trusted Supply Chain:</strong> EMP products are sold through OEMs, distributors, and dealers globally, reflecting deep industry confidence in the brand.</li><li><strong>40+ Years of Manufacturing Heritage:</strong> Decades of marine-specific engineering experience inform every product in the EMP lineup.</li></ul><p>For boat owners, marine technicians, and engine rebuilders who demand components they can count on, Engineered Marine Products delivers the quality and application coverage to get the job done right.</p>

Part Number

57-57502
09/12/2036 8:47 AM
Sale Price

$280.97

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Engineered Marine Products 57-57502 is a dry joint exhaust riser with a 4" outside diameter and 7° down angle outlet, designed specifically for marine inboard engine exhaust systems. This riser is engineered for MerCruiser GM V6 and V8 engines (305, 350, and 377 cubic inch displacement) equipped with dry joint exhaust manifolds from model years 2002-2004.

Key Features:

  • 4" O.D. center rise outlet configuration
  • 7° down angle design for proper exhaust flow
  • Hot dipped and powder coated for superior corrosion protection
  • Precision-engineered replacement for OEM applications
  • Cast iron construction for durability in harsh marine environments

Application:

This dry joint riser fits MerCruiser GM V6 and V8 engines with 305, 350, and 377 CID displacement running serial numbers 0M600000 through 0W309999. The dry joint design provides improved sealing and reduced corrosion compared to traditional wet joint exhaust systems, making it ideal for saltwater and freshwater applications.

OEM Cross-Reference:

Replaces MerCruiser part number 864309T02 and other compatible aftermarket equivalents. Designed to meet or exceed OEM specifications for reliable performance and extended service life.

Important Note:

This riser is designed exclusively for dry joint exhaust systems and is not compatible with wet joint applications. Ensure your engine is equipped with a dry joint exhaust manifold before ordering.

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