1. Exhaust Systems Inboard Engines Components For Sale
  2. sku: 8276580907441711
  3. MARINER 612663

MARINER 612663 Ls Marine Exhaust Manifolds Box Bolts Manifolds. New. In

612663 Mariner Ls Aluminum Marine Exhaust Manifolds. New. In Original Box Comes With Bolts

( Brand: Mariner ), ( Manufacturer Part Number: 612663 ), ( Part Type: Aluminum Exhaust Manifold Box Bolt )

Review MARINER Ls Aluminum Marine Exhaust Manifolds. New. In Original Box Comes Bolts

The Mariner 612663 LS Marine Exhaust Manifolds come with a set of box bolts specifically designed for marine exhaust applications. This exhaust manifold set is a crucial component of the engine's exhaust system, responsible for collecting exhaust gases from the engine cylinders and directing them out of the boat through the exhaust pipe.

The Mariner 612663 LS Marine Exhaust Manifolds are made with high-quality materials, including heavy-duty cast iron for durability and resistance to corrosion. The manifolds are engineered to provide efficient exhaust gas flow and evenly distribute exhaust pressure for optimal engine performance.

The included box bolts are essential for securing the exhaust manifolds to the engine block and ensuring a proper seal between the manifolds and the engine. These bolts are made from marine-grade stainless steel, which is resistant to corrosion and saltwater damage. Each bolt features a hex head for easy installation with standard socket tools.

The set includes all necessary bolts for installing the Mariner 612663 LS Marine Exhaust Manifolds on most outboard engines. The exact number of bolts may vary depending on the engine model, but the set typically includes enough bolts for a complete installation.

The Mariner 612663 LS Marine Exhaust Manifolds and box bolts are an excellent choice for boat owners looking to replace worn or damaged exhaust components or upgrade their existing exhaust system for improved performance. These manifolds and bolts are designed to provide reliable and long-lasting service in even the harshest marine environments.

Mariner 612663 LS Marine Exhaust Manifolds and Box Bolts are essential components for marine exhaust systems. These parts ensure proper connection and sealing of the exhaust manifolds to the engine and the exhaust system. Let's discuss the potential pros and cons of purchasing these parts.

Pros:

1. OEM (Original Equipment Manufacturer) Compatibility: These exhaust manifolds and box bolts are manufactured by Mariner, ensuring they fit and function perfectly with Mariner engines.

2. Durability: Mariner is known for producing high-quality marine parts that can withstand the harsh marine environment. These components are designed to last and provide excellent value for money.

3. Safety: Properly installed exhaust manifolds and box bolts ensure the safe operation of the marine engine by maintaining a secure connection between the engine and the exhaust system.

4. Comprehensive Kit: The box includes all the necessary bolts, making it a convenient and cost-effective solution for marine exhaust system repairs or installations.

Cons:

1. Cost: Although these parts offer excellent value for money, they can be relatively expensive when compared to aftermarket alternatives.

2. Availability: Depending on the location and availability, it might be challenging to find these parts immediately. It is recommended to order them in advance or from a reliable supplier to ensure timely delivery.

Conclusion:

Mariner 612663 LS Marine Exhaust Manifolds and Box Bolts are essential components for marine exhaust systems. Their OEM compatibility, durability, safety, and the convenience of a comprehensive kit make them a worthwhile investment for marine engine owners. While their cost and availability might be considerations, the benefits they provide in terms of reliability and performance often outweigh these factors.

Recommendation:

If you are looking for high-quality, reliable, and perfectly fitting exhaust manifolds and box bolts for your Mariner engine, then the Mariner 612663 LS parts are a solid recommendation. However, it is essential to consider the cost and availability before making a purchase, and you might want to explore alternative options if budget is a significant concern. If you are unsure about the installation process, it is recommended to consult a professional mechanic to ensure proper installation and safe operation of your marine engine.

Details:

Should fit all LS blocks. New in original box. LS Marine Power Aluminum Exhaust Manifolds. This is a pair of 2 manifolds.

specifications exhaussyste:

  • brand: Mariner
  • mpn: 612663
  • part type: Aluminum Exhaust Manifold Box Bolt

offer exhaussyste:

  • quantity: 1
  • sold: 0
  • best offers: True
  • started: April 15, 2026
  • options: Ship-to-home
  • availability: In Stock

payments exhaussyste:

  • wallet: Google-pay
  • other
  • credit card: Mastercard

shipping exhaussyste:

  • transit: 3-9 Days
  • cost: $75.80
  • type: Calculated
  • service: UPS Ground
  • class: Standard
  • carrier: UPS

general exhaussyste:

  • Boat Parts > Inboard Engines Components > Exhaust Systems
  • condition: New

seller exhaussyste:

  • rating: 100.0%
  • # reviews: 85
  • city: Lowell, Arkansas

returns exhaussyste:

  • policy: No Returns
part type: aluminum exhaust manifold box bolt,
category: boat parts > inboard engines components > exhaust systems, sku: 8276580907441711,
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