SUBARU 14001AA99A Engin Intake Manifold 2.5L

( Mounting Style: Bolt-on ), ( Fitment Type: Direct Replacement ), ( Color: Gray ), ( Manufacturer Part Number: 14001AA99A ), ( Material: Cast ), ( Vintage Part: No ), ( Placement On Vehicle: Front, Engine ), ( Fuel Type: Gasoline ), ( Interchange: 329-59300 ), ( Type: Intake Manifold ), ( Engine Size: 2.5l ), ( Features: Heat-resistant, Unfinished ), ( Country Of Origin: Japan )

Review SUBARU 2.5l Engin Intake Manifold Assembly Oem fits LEGACY 1998–1999

Subaru 14001AA99A Intake Manifold for 1998-1999 2.5L Engines

The Subaru 14001AA99A Intake Manifold is an essential component of the engine air induction system designed specifically for Subaru 2.5L engines manufactured between 1998 and 1999. This intake manifold is meticulously engineered to optimize the combustion process, ensuring improved engine performance and fuel efficiency.

The intake manifold is constructed from high-quality materials, ensuring durability and reliability under various operating conditions. Its design features a precise and intricate network of intake ports, each specifically engineered to ensure optimal fuel-air mixture delivery to the engine cylinders.

Each intake port is equipped with a perfectly formed and positioned throttle body, which allows for smooth and consistent airflow into the engine. The intake manifold also includes an integrated fuel rail system, ensuring a steady and even fuel distribution to each cylinder.

The intake manifold's smooth and polished surface finish contributes to the engine's overall aesthetic appeal, while its robust design ensures efficient engine operation. Furthermore, the intake manifold's compatibility with Subaru's factory engine management system ensures seamless integration, eliminating the need for additional modifications or adjustments.

In summary, the Subaru 14001AA99A Intake Manifold is an essential upgrade for those seeking improved engine performance and fuel efficiency from their 1998-1999 Subaru 2.5L engines. With its precise design, durable construction, and seamless integration with the factory engine management system, this intake manifold is a must-have for any Subaru enthusiast looking to enhance their vehicle's performance.

Buying a Subaru 14001AA99A intake manifold for a 1998-1999 Subaru with a 2.5L engine can have both advantages and disadvantages, depending on the specific circumstances. Here are some potential pros and cons:

1. OEM Part: This intake manifold is an original equipment manufacturer (OEM) part, meaning it is designed, manufactured, and approved by Subaru. It fits perfectly and is built to Subaru's quality standards.

2. Reliability: OEM parts typically offer better reliability compared to aftermarket parts since they are specifically engineered for the vehicle.

3. Performance: An OEM intake manifold can provide better performance as it ensures proper airflow and engine efficiency.

4. Warranty: Subaru may offer a warranty on OEM parts, giving peace of mind to the buyer.

1. Cost: OEM parts like this intake manifold can be more expensive than aftermarket alternatives.

2. Availability: OEM parts might not always be readily available as they are produced in limited quantities.

3. Longer lead time: Due to their production and distribution process, OEM parts may take longer to be delivered.

The decision to buy a Subaru 14001AA99A intake manifold for a 1998-1999 Subaru with a 2.5L engine depends on several factors, including your budget, availability, and priority on performance and reliability. If you want the best possible fit and performance, as well as the peace of mind that comes with a warranty, then an OEM intake manifold is the way to go. However, if you're looking for a more cost-effective solution or are in a hurry, aftermarket alternatives might be a better choice. Ultimately, you should weigh the pros and cons carefully and make an informed decision based on your specific needs and circumstances.

If you prioritize the best possible fit, performance, and peace of mind, I would recommend purchasing the Subaru 14001AA99A intake manifold as an OEM part. However, if you're on a tight budget or need the part quickly, consider looking into aftermarket alternatives. Always make sure to research the specific aftermarket part and read reviews to ensure it is of good quality and reliability.

Details:

This part may fit other years with the 2.5L motor as well. It is designed for a 2.5L engine and compatible with the Subaru Legacy model. Please reach out with any questions or offers. The 1998 1999 SUBARU LEGACY 2.5L Engine Intake Manifold Assembly OEM is a direct replacement part made by Subaru.

It comes with the injectors and a few other parts as seen in pictures. It is a genuine OEM part with manufacturer number of 14001AA99A and made in Japan.

part #: 14001aa99a prices

• $69.99-$92.50

specifications inputmanifolds:

• for models: Legacy
• for makes: Subaru
• for years: 1998-1999
• mounting style: Bolt-on
• fitment type: Direct Replacement
• color: Gray
• manufacturer part number: 14001AA99A
• material: Cast
• vintage part: No
• placement on vehicle: Front, Engine
• fuel type: Gasoline
• interchange: 329-59300
• type: Intake Manifold
• engine size: 2.5l
• features: Heat-resistant, Unfinished
• country of origin: Japan

offer inputmanifolds:

• availability: In Stock
• started: January 24, 2026
• options: Ship-to-home
• quantity: 1
• best offers: True
• sold: 0

general inputmanifolds:

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

returns inputmanifolds:

• policy: No Returns

seller inputmanifolds:

• # reviews: 0
• rating: 0.0%
• city: Spokane, Washington

shipping inputmanifolds:

• transit: 5-11 Days
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• cost: $23.61
• type: Calculated

payments inputmanifolds:

• wallet: Paypal
• credit card: Discover
• other

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