
3R3A-12A650-DC Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $229.99 | Condition is Used, 2003 Ford Mustang 4.6L Engine Control Unit ECU Computer Module Y1531 DG, FREE SHIPPING | ![]() |
![]() | $253.00 | Condition is Used, 2003 FORD MUSTANG GT 4.6L MT ECU PCM ECM Engine Control Module 3R3A-12A650-DC, FREE SHIPPING | ![]() |
![]() | $249.00 | Condition is Used, 2003 FORD MUSTANG GT 4.6L MT ECU PCM ECM Engine Control Module 3R3A-12A650-DC, shipping cost = $14.00 | 100.0% |
![]() | $279.99 | Condition is Used, 2003 FORD MUSTANG GT 4.6L MT ECU PCM ECM Engine Control Module 3R3A-12A650-DC, FREE SHIPPING | 99.5% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $496.99 | Top Pick! Condition is Remanufactured, Programmed 2003 Ford Mustang 4.6L Engine Control Unit 3R3A-12A650-DC, FREE SHIPPING | 99.6% |
![]() | $499.99 | Condition is Remanufactured, VIN PROGRAMMED 03 Ford MUSTANG GT 4.6 ECU ECM PCM MODULE 3R3A-12A650-DC XSH2, FREE SHIPPING | ![]() |
![]() | $499.99 | Condition is Remanufactured, VIN PROGRAMMED 03 Ford MUSTANG GT 4.6L ECU ECM PCM CONTROL MODULE XSH1 MPC-14G, FREE SHIPPING | ![]() |
![]() | $509.99 | Condition is Remanufactured, Engine Computer Programmed/Updated 2003 Ford Mustang 3R3A-12A650-DC XSH2 4.6L, FREE SHIPPING | 99.3% |
![]() | $879.99 | Top Pick! Condition is Remanufactured, 3R3A-12A650-DC 2003 Ford MUSTANG 4.6L PROGRAMMED ECM PCM ECU, FREE SHIPPING | 99.4% |



The Ford Mustang 3R3A-12A650-DC 03 GT 4.6L Engine M/T MHS2 Module ECM/PCM is a high-performance engine control unit (ECM/PCM) designed specifically for the 4.6L V8 engine found in the 2003 Ford Mustang GT. This state-of-the-art module is an essential component of your vehicle's engine management system, responsible for controlling and coordinating various engine functions to ensure optimal performance and efficiency.
The MHS2 Module ECM/PCM is a direct replacement for the original factory unit and is compatible with manual transmission (M/T) equipped 2003 Mustang GTs. It features advanced programming and calibration capabilities that allow for fine-tuning of engine parameters, such as ignition timing, fuel injection, and air/fuel ratio, to enhance power output and improve drivability.
This ECM/PCM is equipped with a high-speed processor and state-of-the-art sensors to monitor and analyze engine performance data in real-time. It uses this data to make adjustments to engine parameters as needed, ensuring that your Mustang GT runs smoothly and efficiently, even under high-stress conditions.
The MHS2 Module ECM/PCM is also compatible with various aftermarket performance upgrades, such as performance chips, exhaust systems, and superchargers, allowing you to fully unlock the potential of your Mustang GT's engine.
In summary, the Ford Mustang 3R3A-12A650-DC 03 GT 4.6L Engine M/T MHS2 Module ECM/PCM is a top-of-the-line engine management system that offers superior performance, reliability, and compatibility with various aftermarket upgrades. It is an excellent choice for any 2003 Mustang GT owner seeking to enhance their vehicle's performance and driveability.
Pros of buying a Ford Mustang 3R3A-12A50-DC 03 GT 4.6L engine with M/T MHS2 module ECM/PCM:1. Powerful engine: The 4.6L V8 engine is known for its power and reliability, providing a thrilling driving experience.
2. Manual transmission: The 5-speed manual transmission offers a more engaging and fun driving experience than an automatic.
3. MHS2 module: This module is an aftermarket upgrade that allows for more customization of the engine's performance, such as adjusting fuel and ignition timing.
4. Affordability: The used price of this engine and transmission combination is often more affordable than buying a new car with similar performance specifications.
Cons of buying a Ford Mustang 3R3A-12A50-DC 03 GT 4.6L engine with M/T MHS2 module ECM/PCM:1. Maintenance: Manual transmissions require more regular maintenance than automatic transmissions, such as clutch replacements and gearbox servicing.
2. Complexity: The aftermarket ECM/PCM module can be complex to install and configure, requiring technical knowledge and expertise.
3. Performance limitations: While the MHS2 module can provide performance upgrades, it may also introduce limitations in terms of reliability and fuel economy.
4. Availability of parts: Obtaining replacement parts for this engine and transmission combination may be more challenging due to its age and limited production.
Conclusion:The Ford Mustang 3R3A-12A50-DC 03 GT 4.6L engine with M/T MHS2 module ECM/PCM offers a powerful and engaging driving experience at an affordable price. However, potential buyers should be aware of the maintenance requirements and complexity of the aftermarket ECM/PCM module. Additionally, limited availability of parts and potential performance limitations should be considered before making a purchase.
Recommendation:If you are a mechanically inclined individual with experience in manual transmissions and engine tuning, the Ford Mustang 3R3A-12A50-DC 03 GT 4.6L engine with M/T MHS2 module ECM/PCM can be an excellent investment for a fun and powerful driving experience. However, it is recommended to thoroughly research the potential limitations and required maintenance before making a purchase. For individuals who are less mechanically inclined or prefer a more hassle-free driving experience, a newer car with similar performance specifications may be a better option.
Details:
These are used parts, some wear / tear should be expected. Ford Mustang under hood 4.6l engine computer. There are no traces of electrical damage or corrosion. Mounting points are intact and solid.
The connector plugs are nice. They can be damaged in the shipping. Light bulbs cannot be guaranteed to work once they are handled / shipped out. Pictures are part of the .
We advise you to use time install and check for the functionality of this part. Some parts have been in service many years and its impossible to match colors perfectly.
specifications perfoelectric:
- for models: Gt
- for years: 2003
- brand: Ford Mustang
- mpn: 3r3a-12a650-dc
- part type: Engine Module Ecu
- placement on vehicle: Right, Interior
- fitment type: Direct Replacement
- custom bundle: No
offer perfoelectric:
- sold #: 38
- prices: $229.99–$879.99
- item condition:
- Used
- Remanufactured
- availability: in stock
- started: april 23, 2024
- options: ship-to-home
- in stock #: 5
shipping perfoelectric:
- service: standard
- class: standard
- transit: 3-8 days
- type: fixed
returns perfoelectric:
- policy: no returns
payments perfoelectric:
- credit card: visa
- check
- wallet: google-pay
- money order
- cash
seller perfoelectric:
- # reviews: 3379
- city: midwest,
- rating: 97.2%
general perfoelectric:
- category: Auto Parts > Electrical Components
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