FORD TRUCK Automatic Transmission Diesel Van 400-03373 4R100 7.3L 170K

( Brand: Ford Truck ), ( Manufacturer Part Number: E450SD ), ( Conditions Options: At, Sn ), ( Genuine Oem: Yes ), ( Type: Automatic Transmission ), ( Ipn: 400-03373 )

Review FORD TRUCK Automatic Transmission 7.3l Diesel Fitse350 Van 170k Miles fits E450SD E350 1999

The Ford 400-03373 automatic transmission is a high-performance unit designed specifically for the 7.3L diesel engine in E350 vans. This transmission, model 4R100, is a key component of the vehicle's powertrain, responsible for smoothly transferring power from the engine to the wheels.

The 4R100 is a four-speed automatic transmission, featuring a robust design with a cast-iron case and high-strength steel gears. It utilizes a torque converter for smooth power delivery, making it well-suited for heavy-duty applications like towing or carrying large loads. The transmission also features a hydraulic modulator, which helps to control shift points and provide a more responsive driving experience.

This particular transmission, the Ford 400-03373, is specifically designed for use with the 7.3L diesel engine in E350 vans. It is engineered to meet the unique demands of this powertrain, providing reliable performance and long-lasting durability. The transmission is also compatible with the vehicle's electronic control system, ensuring smooth and efficient operation.

In terms of specifications, the 4R100 transmission has a maximum torque capacity of 575 lb-ft and a maximum horsepower capacity of 350 hp. It features a gear ratio of 3.00:1 for first gear, 1.75:1 for second gear, 1.00:1 for third gear, and 0.82:1 for fourth gear. The transmission is also equipped with a limited-slip differential, which helps to improve traction and stability during acceleration and cornering.

Overall, the Ford 400-03373 automatic transmission is a high-quality, robust component that is well-suited for use in 7.3L diesel engine E350 vans. Its strong construction, smooth operation, and compatibility with the vehicle's electronic control system make it an excellent choice for those seeking reliable performance and long-term durability.

1. Durability: The 4R100 transmission is known for its robustness and reliability, making it suitable for heavy-duty use in commercial vans like the E350.

2. Widespread Availability: This transmission is commonly used in various Ford vehicles, which means parts are readily available and relatively inexpensive.

3. Adaptability: The 4R100 can handle both high and low torque, making it suitable for the power output of the 7.3L diesel engine.

4. Longevity: With proper maintenance and care, the 4R100 transmission can last for over 300,000 miles, making it a cost-effective choice in the long run.

1. Complexity: The 4R100 is a complex transmission with many parts, which can make repair and maintenance more time-consuming and costly than simpler transmissions.

2. Noise: Some users have reported a noticeable noise from the 4R100, especially under heavy load.

3. Shifting Issues: While not common, some users have experienced shifting problems with the 4R100, including slipping gears and harsh shifting.

Conclusion: The Ford 400-03373 automatic transmission (4R100) is a reliable and durable choice for a 7.3L diesel E350 van, especially given its ability to handle high torque and its widespread availability. However, its complexity and potential noise issues should be considered. Prospective buyers should ensure that they have access to a reliable mechanic or are comfortable performing maintenance themselves.

Recommendation: If you're looking for a robust and reliable transmission for your 7.3L diesel E350 van, the Ford 400-03373 automatic transmission (4R100) is a solid choice. However, it's essential to factor in the potential costs of maintenance and repair, and consider investing in a high-quality aftermarket oil and filter to help extend the life of the transmission.

Details:

Removed from a 1999 E350 with 7.3 diesel and just under 170k miles fluid looked good.

part #: e450sd prices

• $99.99-$3499.99

specifications autotransmissionsgo:

• for models: E450sd, E350
• for makes: Ford
• for years: 1999
• brand: Ford Truck
• mpn: E450sd
• conditions options: At, Sn
• genuine oem: Yes
• type: Automatic Transmission
• ipn: 400-03373

seller autotransmissionsgo:

• rating: 100.0%
• # reviews: 1746
• city: Cassopolis, Michigan

payments autotransmissionsgo:

• other
• credit card: Discover
• wallet: Paypal

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

offer autotransmissionsgo:

• best offers: True
• options: Seller-arranged-local-pickup
• sold: 0
• quantity: 1
• started: February 28, 2025
• availability: In Stock

returns autotransmissionsgo:

• policy: No Returns

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