MERCRUISER 881690001 Big Block Intake Manifold 8.1 496

( Brand: Mercruiser ), ( Type: Intake Manifold ), ( Manufacturer Part Number: 881690001 ), ( Country Of Origin: United States )

Review MERCRUISER Oem 8.1 496 Big Block Intake Manifold

Introducing the Mercruiser 881690001 8.1 Big Block Intake Manifold, a high-performance component designed to deliver optimal power and efficiency for your marine engine. This intake manifold is engineered specifically for Mercruiser's 8.1 liter big block engines, ensuring a perfect fit and seamless integration.

The intake manifold is meticulously crafted from durable cast aluminum material, providing superior strength and heat resistance. Its design features a large plenum volume, allowing for a more efficient fuel-air mixture, and large, high-flow runners that deliver fuel evenly to each cylinder. This results in improved combustion, enhanced power output, and increased fuel economy.

The manifold comes equipped with four large-diameter, 1-bolt-on-head, high-performance, port-injected runners that offer increased flow rates and reduced pressure drop. Each runner is designed with a carefully tuned port shape and length to optimize airflow and fuel mixture delivery to the cylinders.

Additionally, the intake manifold includes integrated throttle bodies with electronic fuel injection (EFI) capability, allowing for precise fuel delivery and control. The throttle bodies are also designed with large, 45mm bore sizes, ensuring a smooth and responsive throttle response.

The manifold's surface is finished with a high-temperature, black powder coat paint, offering both protection against corrosion and a sleek, modern appearance. The intake manifold is also compatible with Mercruiser's Electronic Throttle Control (ETC) system, providing the flexibility to customize your engine's throttle response and RPM curve.

In summary, the Mercruiser 881690001 8.1 Big Block Intake Manifold is a top-of-the-line component designed to deliver maximum power and efficiency for your marine engine. Its durable construction, high-flow design, and compatibility with electronic fuel injection and throttle control systems make it an excellent choice for high-performance applications.

Pros and Cons of Buying Mercruiser 881690001 8.1 496 Big Block Intake Manifold

a. High-performance intake manifold: This Mercruiser intake manifold is designed for high-performance applications, allowing for improved airflow and increased horsepower.

b. Durable construction: The intake manifold is made from high-quality materials, ensuring long-lasting performance even under heavy use.

c. Easy installation: The intake manifold is designed to be easy to install, making it a popular choice for DIY enthusiasts.

d. Compatibility: This intake manifold is compatible with various Mercruiser engines, making it a versatile option for boat owners.

a. Expensive: Compared to some aftermarket intake manifolds, the Mercruiser 881690001 is quite pricey, which may be a deterrent for some buyers.

b. Limited availability: This intake manifold may not be readily available at all marine parts stores, making it necessary to order it online or through a specialized dealer.

The Mercruiser 881690001 8.1 496 Big Block Intake Manifold offers several advantages, such as improved performance, durability, and ease of installation. However, its high cost and limited availability may be drawbacks for some boat owners. Ultimately, the decision to purchase this intake manifold depends on your specific needs, budget, and availability.

If you are a performance-focused boat owner with the budget to spare, the Mercruiser 881690001 8.1 496 Big Block Intake Manifold is an excellent investment for improved horsepower and overall engine efficiency. If you are on a tighter budget or prefer a more affordable option, consider researching alternative aftermarket intake manifolds that offer similar performance benefits.

Details:

This Mercruiser was extensively cleaned for your convenience, some sensors and the Throttle Body are still there; The TB taken out a light cleaning. Price at current market value with best offers accepted.

part #: 881690001 prices

• $175.95-$650.00

specifications inputmanifolds:

• brand: Mercruiser
• type: Intake Manifold
• manufacturer part number: 881690001
• country of origin: United States

returns inputmanifolds:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

shipping inputmanifolds:

• transit: 4-10 Days
• type: Fixed
• cost: $36.00
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS

payments inputmanifolds:

• credit card: Diners-club
• other
• wallet: Google-pay

general inputmanifolds:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds

offer inputmanifolds:

• started: March 14, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1

seller inputmanifolds:

• # reviews: 9738
• city: Los Angeles, California
• rating: 99.0%

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