1. Automotive Used Intake Manifolds Items
  2. sku: 12220862357483752
  3. ACDELCO 12555333

ACDELCO 12555333 Gm Intake Manifold 5.7L

fits model: Ls6, Ls1, Corvette, Camaro, Firebird.

12555333 Acdelco Gm Ls6 Intake Manifold Oem 5.7l Corvette Camaro Firebird Fits Ls1

( Brand: Acdelco ), ( Mounting Style: Bolt-on ), ( Type: Intake Manifold ), ( Items Included: Gasket ), ( Manufacturer Part Number: 12555333 ), ( Features: Bare ), ( Universal Fitment: No ), ( Placement On Vehicle: Front ), ( Fuel Type: Gasoline )

Review ACDELCO Gm Intake Manifold Oem 5.7l fits CORVETTE CAMARO FIREBIRD LS6 LS1

ACDelco 12555333 Intake Manifold - Replacement Part for 5.7L GM LS6 Engines in Corvette, Camaro, and Firebird (LS1)

Description:

The ACDelco 12555333 Intake Manifold is an OEM replacement part designed specifically for 5.7L GM LS6 engines found in various iconic vehicles such as the Corvette, Camaro, and Firebird (LS1). This intake manifold is a crucial component of the engine's fuel delivery system, ensuring efficient airflow for optimal combustion and power.

The ACDelco 12555333 Intake Manifold is engineered to the same specifications as the original equipment, ensuring a perfect fit and seamless integration with your existing engine components. This manifold is made from high-quality materials, ensuring durability and reliability, even under the most demanding driving conditions.

This intake manifold features a multi-port design, allowing for efficient fuel delivery to each cylinder. It also includes integrated runners, which help to optimize airflow and improve engine performance. The manifold is also equipped with a precise gasket surface, ensuring a secure seal and preventing any potential leaks.

Installation of the ACDelco 12555333 Intake Manifold is a straightforward process, making it an ideal choice for DIY enthusiasts and professional technicians alike. The intake manifold comes complete with all necessary hardware for installation, ensuring a hassle-free experience.

In summary, the ACDelco 12555333 Intake Manifold is an essential replacement part for 5.7L GM LS6 engines in Corvette, Camaro, and Firebird (LS1) vehicles. It is engineered to the same specifications as the original equipment, ensuring a perfect fit, and is made from high-quality materials, ensuring durability and reliability. This intake manifold features a multi-port design for efficient fuel delivery, integrated runners for optimized airflow, and a precise gasket surface for a secure seal. Installation is straightforward, and the manifold comes complete with all necessary hardware.

Pros and Cons of buying a ACDelco 12555333 Intake Manifold for 5.7L Corvette, Camaro, and Firebird LS1 Engines

1. Pros:

a. OEM (Original Equipment Manufacturer) Replacement: This intake manifold is a direct factory replacement for the GM LS1 engines used in Corvette, Camaro, and Firebird models. This ensures a perfect fit and compatibility with the existing engine components.

b. Improved Air Flow: The ACDelco 12555333 intake manifold is designed to provide improved airflow to the engine, which can lead to better performance and increased horsepower.

c. High-Quality Material: This intake manifold is made from high-quality aluminum alloy, ensuring durability and resistance to corrosion.

d. Designed for Flex-Fuel Engines: This intake manifold is suitable for use in both gasoline and ethanol-blended fuel engines, making it a versatile option for those who might switch fuel types.

2. Cons:

a. Cost: The ACDelco 12555333 intake manifold can be quite expensive compared to aftermarket alternatives. This might be a significant consideration for budget-conscious buyers.

b. Complex Installation: Installing an intake manifold can be a complex process, especially for those without extensive mechanical experience. It is recommended to have the intake manifold installed by a professional mechanic.

c. Potential for Leaks: Intake manifolds can develop leaks over time, which can lead to a loss of power and poor engine performance. Regular maintenance and inspections are necessary to prevent and address any leaks.

Conclusion:

The ACDelco 12555333 intake manifold is a high-quality, OEM replacement option for the GM LS1 engines used in Corvette, Camaro, and Firebird models. Its improved airflow and compatibility with flex-fuel engines make it an attractive choice for performance enthusiasts. However, its cost and complex installation process are potential drawbacks. Ultimately, if you are looking for a reliable and durable intake manifold for your GM LS1 engine, the ACDelco 12555333 is an excellent choice. If budget is a concern, consider researching aftermarket alternatives.

Details:

With a focus on front placement the vehicle, this part ensures proper fit for LS1 and LS6 engines. This high-quality intake manifold is essential for optimum performance and fuel efficiency gasoline-powered vehicles. The GM LS6 Intake Manifold is an OEM part designed for 5.7L engines found in vehicles such as the Corvette, Camaro, and Firebird. Manufactured by ACDelco, this bolt-on intake manifold comes bare and includes a gasket for easy installation.

specifications inputmanifolds:

  • for models: Ls6, Ls1, Corvette, Camaro, Firebird
  • brand: Acdelco
  • mounting style: Bolt-on
  • type: Intake Manifold
  • items included: Gasket
  • manufacturer part number: 12555333
  • features: Bare
  • universal fitment: No
  • placement on vehicle: Front
  • fuel type: Gasoline

returns inputmanifolds:

  • policy: No Returns

seller inputmanifolds:

  • rating: 100.0%
  • # reviews: 352
  • city: Chesterfield, Virginia

payments inputmanifolds:

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

offer inputmanifolds:

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

general inputmanifolds:

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

shipping inputmanifolds:

  • service: USPS Ground Advantage
  • class: Standard
  • carrier: USPS
  • transit: 5-11 Days
  • cost: $0.00
  • type: Calculated
for models: ls6, ls1, corvette, camaro, firebird, mounting style: bolt-on, type: intake manifold, items included: gasket, features: bare, universal fitment: no, placement on vehicle: front, fuel type: gasoline,
category: auto parts > car truck parts accessories > air fuel delivery > intake manifolds, sku: 12220862357483752,

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