
55253827 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $42.24 | Condition is Used, USED OEM 2014 FIAT 500 55253827 ENGINE COMPUTER, FREE SHIPPING | 99.4% |
![]() | $47.99 | Condition is Used, 55253827 Fiat-500 2014-2017 Engine Control Unit ECU ECM Module OEM 14J5 429 B3, FREE SHIPPING | ![]() |
![]() | $55.00 | Condition is Used, 2013 2014 Fiat 500 Engine Control Unit Module ECU ECM 55253827, FREE SHIPPING | 99.3% |
![]() | $67.00 | Condition is Used, 14-17 FIAT 500 Engine Control Module Computer ECU ECM PCM - 55253827, FREE SHIPPING | 99.7% |
![]() | $67.00 | Condition is Used, USED OEM 2014 FIAT 500 55253827 ENGINE COMPUTER, FREE SHIPPING | 98.6% |
![]() | $70.00 | Condition is Used, OEM 2014 - 2017 FIAT 500 ECU ECM ENGINE COMPUTER DIS 55253827 , FREE SHIPPING | 98.5% |
![]() | $82.99 | Top Pick! Condition is Used, 2012-2014 Fiat 500 Engine Control Unit Module ECU ECM 55253827 OEM (AA 479), FREE SHIPPING | 100.0% |
![]() | $102.96 | Top Pick! Condition is Used, 12 13 14 Fiat 500 Engine Control Unit Module ECU ECM 55253827, FREE SHIPPING | 99.5% |
![]() | $104.00 | Condition is Used, Engine ECM Electronic Engine Module 4 Door L Model Fits 14-17 FIAT 500 1512207, FREE SHIPPING | 97.9% |
![]() | $118.99 | Condition is Used, Engine ECM Electronic Engine Module 4 Door L Model Fits 14-17 FIAT 500 55253827O, FREE SHIPPING | ![]() |
![]() | $119.00 | Top Pick! Condition is Used, OEM 2013 2014 Fiat 500 Engine Control Unit Module ECU ECM 55253827 HAS VIN #, shipping cost = $4.99 | 99.1% |
![]() | $169.99 | Condition is Used, ECM PCM Engine Computer CLONE SERVICE For 2012 - 2020 FIAT 500 & 124 Spyder, FREE SHIPPING | 100.0% |
![]() | $349.99 | Condition is Used, Plug N Go PCM ECM ECU FIAT 500 & 500L 2012-2019, FREE SHIPPING | 99.5% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $450.00 | Condition is Remanufactured, PROGRAMMED TO YOUR VIN PLUG & PLAY PCM ECM ECU FIAT 124 SPIDER 2017-2020, FREE SHIPPING | 100.0% |

The Fiat 500 2014-2017 Engine Control Unit (ECU), also known as the Engine Control Module (ECM) or the Powertrain Control Module (PCM), is a crucial component of your vehicle's engine management system. This specific ECU, identified by the part number 14J5 429 B3, is designed for Fiat 500 models produced between the years 2014 and 2017.
This ECU is responsible for managing and optimizing various engine functions such as fuel injection, ignition timing, and emission control. It communicates with other vehicle systems, including the transmission, ABS, and airbag systems, to ensure optimal performance and safety.
The ECU is a sophisticated microcontroller-based system that uses sensors to monitor engine parameters in real-time. It processes this data and adjusts engine functions accordingly to maintain optimal engine performance and comply with emissions regulations. The ECU also stores diagnostic trouble codes (DTCs) that can help diagnose potential issues with the vehicle.
The 14J5 429 B3 ECU is a reliable and efficient solution for maintaining the performance and longevity of your Fiat 500's engine. It is designed to work seamlessly with the vehicle's fuel system, ignition system, and emissions control system to deliver excellent fuel economy, low emissions, and smooth power delivery.
When it comes to installation, the ECU is designed to plug and play with the wiring harness of the original unit. However, it is always recommended to have the installation performed by a certified technician to ensure proper functioning and to avoid any potential issues.
In summary, the Fiat 500 2014-2017 Engine Control Unit (ECU) with part number 14J5 429 B3 is a vital component of your vehicle's engine management system. It is responsible for managing and optimizing engine functions, ensuring optimal performance, and complying with emissions regulations. This ECU is a reliable and efficient solution for maintaining the performance and longevity of your Fiat 500's engine.
Buying a Fiat 500 2014-2017 engine control unit (ECU/ECM) module with part number 14J5 429 B3 can be a consideration for those experiencing issues with their Fiat 500's engine. Here are some potential pros and cons:
Pros:1. Potential for improved vehicle performance: A new ECU module can help resolve issues related to engine performance, such as rough idling, stalling, or hesitation.
2. Cost-effective solution: Replacing the ECU module may be less expensive than other repair options, such as engine overhaul or replacement.
3. OEM (Original Equipment Manufacturer) part: Using an OEM part ensures that the replacement component is specifically designed and manufactured for the Fiat 500, which can improve compatibility and reliability.
Cons:1. Potential for additional costs: Depending on the source of purchase, shipping, installation, and labor costs may add to the overall cost of the ECU module replacement.
2. Risk of compatibility issues: While an OEM part is designed to fit and function properly, there is still a risk of compatibility issues with other vehicle components or systems.
3. Time-consuming process: Replacing an ECU module can be a time-consuming process, as it may involve diagnosing the underlying issue, obtaining the part, and installing it.
Conclusion:Considering the pros and cons, purchasing a Fiat 500 2014-2017 ECU module with part number 14J5 429 B3 can be a cost-effective and potentially effective solution for addressing engine performance issues. However, it is essential to weigh the potential costs and time involved in the process and consider other repair options if the issue is more complex. Ultimately, it is recommended to consult a professional mechanic for an accurate diagnosis and repair recommendation.
Details:
3: performance: using the correct part contributes to optimal vehicle performance and safety. By verifying the part number, you ensure that is compatible with your vehicles requirements.2: precise fit: even slight variations in numbers can result differences size, shape, or functionality. Expeditious shipping. Match part numbers: verify part numbers and inspect pictures before buying.
Please also see pictures. May need reprogramming.
specifications perfoelectric:
- for models: B3, 429
- for years: 2014–2017
- brand: Fiat
- mpn: 55253827
- part type: Control Ecm Engine Unit Ecu Module
- genuine oem: Yes
- year: 2014-2017
- descriptionpartcondition: Used, Good Condition, Match Part Number Please Make Sure To Match
- oe/oem part number: P68240362af
shipping perfoelectric:
- type: fixed
- class: standard
- transit: 4-9 days
- service: usps ground advantage
- carrier: usps
returns perfoelectric:
- paid by: seller
- policy: returns accepted
- time: 30 days
general perfoelectric:
- category: Auto Parts > Electrical Components
seller perfoelectric:
- # reviews: 15016
- city: sugar land, texas
- rating: 99.9%
offer perfoelectric:
- sold #: 8
- prices: $42.24–$450.00
- item condition:
- Used
- Remanufactured
- options: ship-to-home
- in stock #: 5
- started: may 30, 2026
- availability: in stock
payments perfoelectric:
- other
- credit card: diners-club
- wallet: paypal
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