FORD 9L34-6A987 Engine Air Box Coolant Reservoir 5.4L 3V

( Manufacturer Part Number: 9L34-6A987 ), ( Type: Air Filter Housing ), ( Material: Plastic )

Review FORD 5.4l 3v Engine Air Box Coolant Reservoir Oem fits EXPEDITION F150 2009–2010

The Ford 9L34-6A987 air box coolant reservoir is an essential component of the cooling system in 2009-2010 F-150 Expedition vehicles equipped with the 5.4L 3V engine. This reservoir's primary function is to maintain the proper level of coolant in the engine and ensure an adequate supply of coolant flows through the radiator to prevent overheating.

The reservoir is designed with a transparent sidewall, enabling easy inspection of the coolant level without having to open the cap. Its shape is aerodynamically optimized to minimize wind resistance and improve fuel efficiency. The reservoir is constructed with a durable, reinforced polymer material that offers excellent resistance to corrosion and the harsh conditions often encountered in off-road environments.

The coolant reservoir features an integrated drain plug located at the bottom, which simplifies the draining process during routine maintenance. Additionally, it includes a pressure relief valve that helps prevent the coolant system from overpressurizing, ensuring the safety of the engine.

The 9L34-6A987 coolant reservoir is designed to meet or exceed OEM specifications for fit, form, and function. It is a direct replacement for the original equipment part, ensuring a seamless installation process and a reliable fit. This part is essential for maintaining the optimal performance and longevity of the cooling system in your 2009-2010 Ford F-150 Expedition with the 5.4L 3V engine.

The Ford 9L34-6A987 air box coolant reservoir for the 2009-2010 F-150 Expedition with a 5.4L 3V engine is an essential component of the vehicle's cooling system. This reservoir holds the excess coolant that flows from the engine when it is running, allowing the system to maintain optimal temperature levels. Here are some pros and cons of buying this specific part.

1. OEM (Original Equipment Manufacturer) part: This reservoir is manufactured by Ford and is designed to fit and function perfectly with the F-150 Expedition's cooling system.

2. Durability: Ford is known for its high-quality parts, and this coolant reservoir is no exception. It is built to withstand the rigors of daily use and is less likely to fail compared to aftermarket alternatives.

3. Prevents Overheating: The coolant reservoir plays a crucial role in preventing the engine from overheating. A new reservoir ensures that the cooling system is operating efficiently and effectively.

1. Cost: Ford OEM parts tend to be more expensive than aftermarket alternatives. This coolant reservoir is no exception and may be a significant investment for some.

2. Availability: Depending on your location and the availability of Ford dealerships or parts stores, you may have to wait longer to get your hands on this part compared to aftermarket options.

3. Limited Compatibility: This reservoir is specifically designed for the 2009-2010 F-150 Expedition with a 5.4L 3V engine. If you have a different engine or model year, you'll need to find a compatible OEM or aftermarket alternative.

In conclusion, while the Ford 9L34-6A987 coolant reservoir offers the benefits of OEM quality, durability, and efficient cooling, it also comes with a higher cost and limited availability compared to aftermarket alternatives. Ultimately, if you prioritize the peace of mind that comes with using an OEM part and are willing to pay the premium, this reservoir is an excellent choice. However, if you're on a budget or need a more readily available alternative, an aftermarket coolant reservoir may be a better option for you.

Details:

2009 2010 Ford F150 Expedition 5.4L 3V Engine Air Box w/ Coolant Reservoir OEM Please see pictures Removed from a 2009 engine May fit other model's Condition is used Shipped with standard shipping.

part #: 9l346a987 prices

• $74.00-$99.99

specifications aicleaer:

• for models: F150, Expedition
• for makes: Ford
• for years: 2009-2010
• mpn: 9l34-6a987
• type: Air Filter Housing
• material: Plastic

seller aicleaer:

• # reviews: 5781
• city: Richmond, Minnesota
• rating: 99.9%

offer aicleaer:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: November 21, 2025
• availability: In Stock

returns aicleaer:

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

general aicleaer:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Air Filter Housings

payments aicleaer:

• wallet: Paypal
• other
• credit card: Visa

shipping aicleaer:

• type: Fixed
• cost: $0.00
• class: Standard
• transit: 3-5 Days
• service: Standard

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