MOPAR 4781578AP Intake Manifold Plenum

( Part Type: Intake Manifold ), ( Manufacturer Part Number: 4781578AP ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Jeep ), ( Year: 2007 2008 2009 2010 2011 ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included ), ( Replaces Part Number: 4781578am )

Review MOPAR Genuine Intake Manifold Plenum fits 2007–2011

The Mopar 4781578AP Intake Manifold Plenum is a high-performance component designed specifically for select Chrysler, Dodge, and Jeep vehicles. This intake manifold plenum is an essential part of the engine's intake system, responsible for distributing the air that enters the engine for combustion.

The 4781578AP Intake Manifold Plenum is made of durable cast aluminum material, ensuring strength and longevity. Its compact design allows for a more efficient airflow path from the air filter to the engine's cylinders. The smooth interior surfaces of the plenum help reduce turbulence and promote better air distribution, leading to improved engine performance.

This intake manifold plenum features a unique runner design that optimizes the airflow for each cylinder, resulting in a more uniform air charge distribution across all cylinders. The improved air charge distribution leads to more efficient combustion, generating more power and better fuel economy.

Additionally, the Mopar 4781578AP Intake Manifold Plenum is designed to work seamlessly with the factory engine management system, ensuring reliable operation and easy installation. The factory-matched gasket surface guarantees a leak-free seal, preventing any unwanted air leaks that can negatively impact engine performance.

In summary, the Mopar 4781578AP Intake Manifold Plenum is a high-quality, performance-enhancing component for select Chrysler, Dodge, and Jeep vehicles. Its cast aluminum construction, optimized runner design, and leak-free gasket surface contribute to improved engine performance, reliability, and efficiency.

Mopar 4781578AP Intake Manifold Plenum: A Comprehensive Analysis

The Mopar 4781578AP Intake Manifold Plenum is a performance part designed to enhance the air intake system in certain Chrysler, Dodge, and Jeep vehicles. This analysis will provide an overview of the potential advantages and disadvantages of purchasing this component.

1. Increased Horsepower: The Mopar intake manifold plenum is designed to provide better airflow and improved combustion efficiency. This can lead to a noticeable increase in horsepower and torque.

2. Improved Engine Response: With better airflow and combustion efficiency, the engine responds more quickly to throttle inputs, resulting in smoother acceleration and reduced lag.

3. Enhanced Engine Sound: The intake manifold plenum can contribute to a more aggressive engine sound due to the improved airflow and increased engine vacuum.

4. High-Quality Construction: Mopar is a reputable brand, and this intake manifold plenum is built to last. It is made of durable materials, ensuring a long service life and reliable performance.

1. Expensive: The Mopar 4781578AP Intake Manifold Plenum is a premium performance part, and the price reflects its high-performance capabilities.

2. Installation Complexity: Installing this intake manifold plenum may require advanced mechanical skills or professional assistance due to its unique design and connection points to the engine.

3. Potential Fitment Issues: Ensure that the intake manifold plenum is compatible with your specific vehicle model and engine configuration before purchasing.

The Mopar 4781578AP Intake Manifold Plenum offers significant performance gains, including increased horsepower and torque, improved engine response, and enhanced engine sound. However, it comes with a high price tag and potential installation complexity. If you are an enthusiast seeking maximum performance from your vehicle and are willing to invest in the necessary installation, this intake manifold plenum is an excellent choice. For those who prioritize affordability or ease of installation, other options may be more suitable.

If you are looking for a high-performance intake manifold plenum for your Chrysler, Dodge, or Jeep vehicle, the Mopar 4781578AP Intake Manifold Plenum is an excellent choice. Its durable construction, improved airflow, and combustion efficiency make it a worthwhile investment for those seeking maximum power and performance from their vehicle. However, ensure that you have the necessary skills, resources, and compatibility before making the purchase.

Details:

Condition: Parts must be resalable and in their original packaging. Right to Refuse. Electrical parts are not returnable. Installed or tried parts.

Carrier Substitution: Shipping carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Includes Items 2,3,5,6,7. 04593899AA Throttle Body Gasket Must Be Used With 04781578AP Recessed Lip. See Important Note.

04666113AA Throttle Body Gasket Must Be Used With 04781578AM Flush Lip. Includes Items 2,4,5,6,7.

part #: 4781578ap prices

• $71.98-$568.35

specifications inputmanifolds:

• for makes: Mopar
• for years: 2007-2011
• part type: Intake Manifold
• manufacturer part number: 4781578AP
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Jeep
• year: 2007 2008 2009 2010 2011
• parts included: Only Part Reference 1 On The Diagram Is Included
• replaces part number: 4781578am

payments inputmanifolds:

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

returns inputmanifolds:

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

general inputmanifolds:

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

offer inputmanifolds:

• started: January 21, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

shipping inputmanifolds:

• transit: 3-9 Days
• type: Fixed
• service: Standard
• cost: $0.00
• class: Standard

seller inputmanifolds:

• # reviews: 221
• rating: 100.0%
• city: Bristol, Connecticut

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