FORD Engine Ecu 590-11773 64K LKQ397398691

( Part Type: Engine Ecu ), ( Ipn: 590-11773 ), ( Manufacturer Warranty: 6 Month ), ( Warranty Length: 6 Month Warranty ), ( Partout Id: A-72377701 )

Review FORD Super Duty Engine Computer Ecu 64k Miles Oe fits F350 2021

The Ford 590-11773 Engine ECU, also known as the LKQ397398691, is a crucial component of the electrical system in certain Ford F-350 models produced in 2021. This Engine Control Unit (ECU) is responsible for managing various engine functions, including fuel injection, ignition timing, and emission control.

Measuring approximately 11.6 inches long, 8.2 inches wide, and 2.5 inches high, this ECU is compact yet powerful. It comes with a 64K flash memory, which provides ample storage for the complex software required to manage modern engine systems. The ECU is designed to work seamlessly with Ford's proprietary Powertrain Control Module (PCM) and other engine control systems.

This ECU features multiple connectors for various sensors and actuators, ensuring efficient communication between the engine management system and other vehicle components. Some of the sensors it communicates with include the throttle position sensor, crankshaft position sensor, camshaft position sensor, and oxygen sensors.

The Ford 590-11773 Engine ECU is designed to be robust and reliable, with a temperature range of -40 F to 185 F (-40 C to 85 C) to accommodate various driving conditions. It is also sealed to protect against moisture and other contaminants, ensuring a long service life.

This ECU is a direct-fit replacement for the original unit and can be installed easily by experienced mechanics or automotive professionals. It is important to note that proper installation and calibration are crucial for optimal performance, so it is recommended to have the vehicle diagnosed and recalibrated by a qualified technician following installation.

In summary, the Ford 590-11773 Engine ECU is a vital component of the engine management system in certain Ford F-350 models from 2021. It is compact, powerful, and reliable, with a 64K flash memory and a wide temperature range. It features multiple connectors for efficient communication with various sensors and actuators and is designed to be a direct-fit replacement for the original unit. Proper installation and calibration are essential for optimal performance.

Buying a Ford F-350 engine ECU (Ford part number 590-11773, LKQ397398691) as a replacement for a faulty or damaged ECU in a Ford F-350 vehicle can offer several advantages and potential disadvantages. Below are some pros and cons to consider before making a decision.

1. Cost-effective: Aftermarket or used ECUs can be significantly cheaper compared to purchasing a new one directly from Ford. This can help save money, especially for those on a budget.

2. Readily available: Aftermarket and used ECUs from reputable sellers are generally easy to find. They can be sourced from various online marketplaces, junkyards, or local salvage yards.

3. Functionally equivalent: Used ECUs are typically taken from vehicles of the same make, model, and year as the one being repaired. This ensures that the replacement ECU will be functionally similar to the original, reducing the chances of compatibility issues.

4. Quick turnaround: Since used ECUs are often readily available, the delivery time is typically shorter compared to waiting for a new OEM ECU from Ford.

1. Unknown history: The previous vehicle the ECU came from may have had various issues or modifications that could affect the replacement ECU's performance or longevity. This can lead to potential unforeseen complications.

2. Warranty concerns: Used ECUs usually do not come with any warranties, which means the buyer assumes all risks and costs associated with the part.

3. Quality assurance: The quality of a used ECU can vary greatly depending on where it was sourced. Ensuring that the replacement ECU is in good working condition and free from any defects or damage requires careful inspection and testing.

4. Compatibility issues: While used ECUs are often functionally equivalent, there is still a risk of compatibility issues, especially if the vehicle being repaired has had modifications or if the ECU was taken from a vehicle with different options.

When considering the purchase of a used Ford F-350 engine ECU (590-11773, LKQ397398691), it is essential to weigh the potential advantages and disadvantages carefully. While this option can be cost-effective and readily available, it comes with risks related to the unknown history, warranty concerns, and compatibility issues. To minimize these risks, it is crucial to source the ECU from a reputable seller and thoroughly inspect and test it before installation.

If you decide to go with a used ECU, make sure to research the seller thoroughly and ask for any available documentation, such as the vehicle's history or the ECU's condition. Additionally, consider having the ECU professionally inspected and tested before installation to ensure it is in good working order. If possible, consider purchasing a refurbished or reconditioned OEM ECU as an alternative, which may offer better quality assurance and warranty coverage.

Details:

This listing is for 1 ITEM ONLY, Some modules may need to be reprogrammed at a service center. This is NOT a manufacturer part number, and can be disregarded. Will fit: Ford F350 Super Duty 2021 2022 Electronic Control Module; 6.2L, 10 speed transmission, F250 transmission. No photos of the actual Engine Control Unit ECU are available. ATTENTION: Stock photo shows multiple items.

part #: lkq397398691 prices

• $132.50-$275.00

specifications ecusrush:

• for models: F350
• for makes: Ford
• for years: 2021
• part type: Engine Ecu
• interchange part number: 590-11773
• manufacturer warranty: 6 Month
• warranty length: 6 Month Warranty
• partout id: A-72377701

payments ecusrush:

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

returns ecusrush:

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

shipping ecusrush:

• cost: $0.00
• type: Fixed
• service: UPS Ground
• transit: 4-10 Days
• class: Standard
• carrier: UPS

general ecusrush:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules
• condition: Used

seller ecusrush:

• rating: 92.5%
• city: Hustisford, Wisconsin
• # reviews: 458940

offer ecusrush:

• quantity: 1
• started: June 28, 2025
• availability: In Stock
• options: Ship-to-home
• sold: 0

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