MERCRUISER 42673-99798 Mercruser Gm Exhaust Manifold 4-CYLINDER 140 3.0L

( Brand: Mercruiser ), ( Manufacturer Part Number: 42673-99798 ), ( Part Type: Exhaust Manifold ), ( Country/region Of Manufacture: United States )

Review MERCRUISER Mercruser Gm 4-cylinder Exhaust Manifold 140 3.0l 42673 99798 fits MARINE 1990–1995

The Mercruiser 42673-99798 is a premium marine exhaust manifold specifically designed for the GM 4-cylinder marine engines, models 140 3.0L, from the years 1990 to 1995. This part is manufactured by MerCruiser, a leading name in marine engine technology and innovation, ensuring top-notch quality and compatibility.

This exhaust manifold is meticulously crafted from high-strength materials to endure the unique challenges of marine environments. It features four exhaust ports to effectively route and exhaust gases from the engine's cylinders, optimizing engine performance and efficiency. Its robust design also ensures a secure and stable fit on the engine, providing reliable operation during various boating conditions.

1. Four exhaust ports suitable for the GM 4-cylinder marine engines, with a capacity of 3.0L and model number 140.

2. Designed for usage on marine engines from 1990 to 1995.

3. Developed by MerCruiser, a trusted brand in marine engineering.

4. Crafted using robust, high-strength materials for optimal durability.

5. Streamlined design for efficient exhaust gas flow and optimal engine performance.

6. Secure and stable fit on the engine, providing reliable operation during even the most challenging marine conditions.

Installing the Mercruiser 42673-99798 marine exhaust manifold in your marine engine is a straight-forward process, ensuring a hassle-free experience. By upgrading your engine with this premium component, you can enhance your boating adventure, maximizing both the power and overall efficiency of your marine engine.

Pros and Cons of Buying a Mercruiser 42673-99798 Marine Exhaust Manifold for a 3.0L 4-Cylinder Engine (1990-1995)

This discussion revolves around the Mercruiser 42673-99798 marine exhaust manifold, an essential component for 1990-1995 Mercruiser 3.0L 4-cylinder engines. This section serves to provide you with valuable insights into the potential benefits and drawbacks of investing in this part.

1. **Replacement for OEM Part:** The Mercruiser 42673-99798 marine exhaust manifold is a factory replacement part, ensuring proper fitment, compatibility, and durability.

2. **Functional Design:** This exhaust manifold is engineered specifically for marine applications, withstanding the harsh conditions of a boat engine.

3. **Improved Performance:** Upgrading your old exhaust system with a new manifold can result in increased power and fuel efficiency, enhancing your overall boating experience.

4. **Reliability:** A replacement exhaust manifold can help prevent damage to other engine components, ensuring that your boat engine continues to operate effectively.

1. **Cost:** The cost of purchasing a new exhaust manifold can be quite substantial, especially when compared to the price of rebuilt or used alternatives.

2. **Installation Complexity:** Installing a new exhaust manifold can be a difficult process that requires specialized tools and skills, potentially adding to the overall cost because of labor fees.

3. **Shipping and Handling:** Given the size and weight of an exhaust manifold, the shipping costs can be high, which is an additional expense to consider.

4. **Potential for Delayed Delivery:** If the part is not stocked locally, it may take some time for the new exhaust manifold to arrive, causing temporary downtime for your boat.

When making a decision to buy the Mercruiser 42673-99798 marine exhaust manifold, it's essential to weigh the pros and cons carefully. The benefits of a new exhaust manifold include OEM replacement, improved performance, and reliability. However, the significant cost, installation complexity, shipping expenses, and delayed delivery can be drawbacks. If you prioritize a long-lasting, high-performance solution for your boat engine and have the financial means to cover the costs, this exhaust manifold could be an excellent investment. Otherwise, considering rebuilt or used alternatives or discussing the issue with a professional may be worthwhile.

Before making a final decision, we recommend gathering quotes from multiple suppliers and local mechanics to thoroughly evaluate the feasibility and price range of this upgrade. Additionally, understanding your boat's needs and budget will help guide the decision-making process. Consulting with a knowledgeable marine mechanic or merchant can also prove beneficial when assessing the potential benefits and associated costs of upgrading to a new Mercruiser 42673-99798 marine exhaust manifold.

Details:

Three water passages between the manifold and riser/elbow. Six two six three five seven three, Four cylinder exhaust manifold. $99.95 Mercruiser/GM four cylinder exhaust manifold Fits 1990 1995 3.0L engines with eight port heads. Used with the large base Markab carburetor an electric choke.

Used but low hours.

part #: 4267399798 price

• $240.00

specifications exhaussyste:

• for models: Marine
• for years: 1990-1995
• brand: Mercruiser
• mpn: 42673-99798
• part type: Exhaust Manifold
• country/region of manufacture: United States

returns exhaussyste:

• policy: Returns Accepted
• time: 14 Days
• paid by: Buyer

seller exhaussyste:

• city: Azusa, California
• # reviews: 5887
• rating: 92.7%

shipping exhaussyste:

• carrier: UPS
• class: Standard
• cost: $51.12
• transit: 6-12 Days
• service: UPS Ground
• type: Calculated

general exhaussyste:

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

payments exhaussyste:

• credit card: Discover
• wallet: Apple-pay
• cash
• other

offer exhaussyste:

• options: Ship-to-home
• quantity: 1
• started: January 4, 2025
• availability: In Stock
• sold: 0

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