MOPAR DODGE PLYMOUTH CHRYSLER 3698431 Intake Manifold Barrel Block

( Brand: Mopar Dodge Plymouth Chrysler ), ( Type: Intake Manifold ), ( Engine Size: 318, 5.2l ), ( Color: Blue ), ( Manufacturer Part Number: 3698431 ), ( Material: Cast Iron ), ( Features: Painted ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front, Upper ), ( Fuel Type: Gasoline )

Review MOPAR DODGE PLYMOUTH CHRYSLER Intake Manifold Barrel Small Block fits 318 1970-73

Introducing the Mopar 3698431 Intake Manifold Barrel, a high-performance upgrade for your 1970-1973 Dodge, Plymouth, or Chrysler vehicle with a 318 cubic inch block engine. This intake manifold barrel is a genuine Mopar part, ensuring a perfect fit and finish for your classic muscle car or restoration project.

The intake manifold barrel is designed to maximize airflow and fuel delivery, providing improved engine performance and power. Its unique, multi-port design allows for better distribution of fuel to each cylinder, ensuring a more efficient combustion process. The barrel is constructed of high-quality aluminum, which is both lightweight and durable, reducing engine weight and improving overall performance.

The intake manifold barrel features a polished finish, adding a touch of style and elegance to your engine bay. The smooth, polished surface not only looks great but also reduces friction and wear, contributing to longer engine life and improved performance.

This intake manifold barrel is a direct replacement for the original part, making installation simple and straightforward. It comes complete with all necessary gaskets and hardware, ensuring a hassle-free installation process. Additionally, the intake manifold barrel is backed by Mopar's reputation for quality and durability, giving you peace of mind and confidence in your purchase.

In summary, the Mopar 3698431 Intake Manifold Barrel is a high-performance upgrade for your 1970-1973 Dodge, Plymouth, or Chrysler vehicle with a 318 cubic inch block engine. Its unique design, lightweight construction, and polished finish make it a great choice for those seeking improved engine performance, style, and durability. With its direct replacement fit and Mopar quality, this intake manifold barrel is an essential upgrade for any classic muscle car or restoration project.

Buying a Mopar Dodge Plymouth Chrysler 3698431 Intake Manifold Barrel for a 1970-1973 318 Block Engine: A Comprehensive Analysis

The Mopar Dodge Plymouth Chrysler 3698431 intake manifold barrel is a popular performance upgrade for 1970-1973 318 block engines. This component is designed to improve engine performance by optimizing airflow and fuel delivery. In this analysis, we will discuss the advantages and disadvantages of buying this intake manifold barrel to help you make an informed decision.

1. Increased Horsepower: The primary benefit of installing a new intake manifold barrel is the potential increase in horsepower. A properly tuned and installed intake manifold can help your engine breathe better, leading to improved performance.

2. Improved Airflow: The Mopar intake manifold barrel is designed to optimize airflow, which can lead to better combustion and increased power output.

3. Better Fuel Economy: Although not the primary reason for purchasing an intake manifold barrel, some users report improved fuel economy due to the more efficient combustion process.

4. Enhanced Engine Sound: The intake manifold barrel can also contribute to a more pleasant engine sound, making your driving experience more enjoyable.

1. Cost: The Mopar Dodge Plymouth Chrysler 3698431 intake manifold barrel is a premium part, and the cost may be a significant investment for some enthusiasts.

2. Installation Complexity: Installing an intake manifold barrel can be a complex process, especially for those without extensive mechanical experience. It may require specialized tools and a significant time investment.

3. Potential Compatibility Issues: Ensure that the intake manifold barrel is compatible with your specific engine and vehicle. Installing an incorrect part may lead to performance issues or damage.

4. Tuning Requirements: To fully realize the potential benefits of the intake manifold barrel, some adjustments to the engine's ignition timing and fuel delivery may be necessary.

The Mopar Dodge Plymouth Chrysler 3698431 intake manifold barrel offers several advantages, including increased horsepower, improved airflow, potential fuel economy improvements, and an enhanced engine sound. However, the high cost, complex installation process, potential compatibility issues, and tuning requirements may be deterrents for some enthusiasts.

If you are looking to significantly enhance the performance of your 1970-1973 318 block engine and have the necessary skills, resources, and budget, the Mopar intake manifold barrel is an excellent investment. However, if you are unsure about the installation process or the potential benefits outweigh the costs for your specific application, it may be worth considering alternative performance upgrades. Always ensure that you purchase the correct part and consult a professional mechanic if necessary.

Details:

Please see photos for full condition details. Intake manifold is a 2 Barrel. Will fit any Mopar small block LA engine from 1967-1991 on 273, 318, 340, and 360. Removed from a 1973 Plymouth Satellite 318 Engine.

Intake manifold was media blasted, primed with red oxide primer, and painted Mopar Corporate blue. See photos for factory part numbers, poetaster and stamping. 1970-1973 Mopar Dodge Plymouth 318 Small Block LA Engine Intake Manifold 3698431 A B E Body Challenger Cuds Charger Dart Duster Satellite Truck D150. Factory Original OEM Mopar part.

part #: 3698431 price

• $224.99

specifications inputmanifolds:

• for makes: Mopar
• for years: 1970-73
• brand: Mopar Dodge Plymouth Chrysler
• type: Intake Manifold
• engine size: 318, 5.2l
• color: Blue
• manufacturer part number: 3698431
• material: Cast Iron
• features: Painted
• vintage part: Yes
• placement on vehicle: Front, Upper
• fuel type: Gasoline

offer inputmanifolds:

• options: Ship-to-home
• started: July 22, 2025
• quantity: 1
• availability: In Stock
• sold: 0

shipping inputmanifolds:

• type: Calculated
• class: Economy
• service: UPS Ground Saver
• carrier: UPS
• transit: 3-8 Days
• cost: $39.06

seller inputmanifolds:

• # reviews: 444
• city: Cedar Falls, Iowa
• rating: 98.2%

general inputmanifolds:

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

payments inputmanifolds:

• other
• credit card: Visa
• wallet: Paypal

returns inputmanifolds:

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

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